HTML datasheet archive (search documentation on electronic components) Search datasheet (1.687.043 components)
Search field

Datasheet: M12550EJ6V0DS00 (NEC)

 

Download: PDF   ZIP
NEC

Document Outline

The information in this document is subject to change without notice. Before using this document, please
confirm that this is the latest version.
Not all devices/types available in every country. Please check with local NEC representative for
availability and additional information.
1997
MOS INTEGRATED CIRCUIT



PD23C32202L
32M-BIT SYNCHRONOUS MASK-PROGRAMMABLE ROM
2M-WORD BY 16-BIT (WORD MODE) / 1M-WORD BY 32-BIT (DOUBLE WORD MODE)
DATA SHEET
Document No. M12550EJ6V0DS00 (6th edition)
Date Published June 2000 NS CP (K)
Printed in Japan
The mark
shows major revised points.
Description
The
PD23C32202L is a 33,554,432 bits synchronous mask-programmable ROM with multiplexed address bus.
The word organization is selectable (WORD mode : 2,097,152 words by 16 bits, DOUBLE WORD mode : 1,048,576
words by 32 bits).
This product is packaged in 86-pin plastic TSOP (II).
Features
Fully synchronous mask-ROM; all signals referenced to a positive clock edge
Word organization :
2,097,152 words by 16 bits (WORD mode)
1,048,576 words by 32 bits (DOUBLE WORD mode)
Operation frequency : up to 66 MHz
Operation supply voltage
V
CC
Clock frequency
MHz
Access time from CLK
ns (MAX.)
Operating current
(Burst mode)
mA (MAX.)
Standby current
(CMOS level input)
A (MAX.)
3.3 V
0.3 V
66
10
150
100
50
15
33
25
Programmable wrap type : Sequential or Interleave
Programmable burst length : 4, 8
Programmable /CAS latency : 3, 4, 5 or 6
Programmable /RAS latency : 1, 2
Burst termination by BURST STOP command
LVTTL-compatible inputs and outputs
Data Sheet M12550EJ6V0DS00
2



PD23C32202L
Ordering Information
Part number
Package
PD23C32202LG5-
-9JH
86-pin plastic TSOP (II) (10.16 mm (400))
: ROM code suffix
Pin Configuration (Marking Side)
/xxx indicates active low signal.
86-pin Plastic TSOP (II) (10.16 mm (400))
[



PD23C32202LG5-
-9JH ]
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
86
85
84
83
82
81
80
79
78
77
76
75
74
73
72
71
70
69
68
67
66
65
64
63
62
61
60
59
58
57
56
55
54
53
52
51
50
49
48
47
46
45
44
V
CC
O0
V
CC
Q
O16
O1
V
SS
Q
O17
O2
V
CC
Q
O18
O3
V
SS
Q
O19
/MR
V
CC
DQM
IC
/CAS
/RAS
/CS
/WORD
A12
A11
A10
A0
A1
A2
IC
V
CC
NC
O4
V
SS
Q
O20
O5
V
CC
Q
O21
O6
V
SS
Q
O22
O7
V
CC
Q
O23
V
CC
V
SS
O31
V
SS
Q
O15
O30
V
CC
Q
O14
O29
V
SS
Q
O13
O28
V
CC
Q
O12
IC
V
SS
NC
NC
NC
CLK
CKE
A9
A8
A7
A6
A5
A4
A3
IC
V
SS
NC
O27
V
CC
Q
O11
O26
V
SS
Q
O10
O25
V
CC
Q
O9
O24
V
SS
Q
O8
V
SS
Remarks 1. IC : Internally connected; leave this pin unconnected or connect to GND.
NC : Not internally connected; signal can be applied.
2. Refer to 13. Package Drawing for the 1-pin index mark.
5
Data Sheet M12550EJ6V0DS00
3



PD23C32202L
Pin Name
Symbol
Pin name
Pin number
CLK
Clock input
68
CKE
Clock enable input
67
/CS
Chip select
20
/RAS
Row address strobe
19
/CAS
Column address strobe
18
/MR
Mode register enable
14
/WORD
Mode select (DOUBLE WORD / WORD)
21
A0 - A12
Address inputs
25, 26, 27, 60, 61, 62, 63, 64, 65, 66, 24, 23, 22
O0 - O15, O16 - O31
Data outputs
2, 5, 8, 11, 31, 34, 37, 40, 45, 48, 51, 54, 74, 77, 80, 83, 4,
7, 10, 13, 33, 36, 39, 42, 47, 50, 53, 56, 76, 79, 82, 85
DQM
DQ mask enable
16
V
CC
Supply voltage (for internal circuit)
1, 15, 29, 43
V
CC
Q
Supply voltage (for output buffer)
3, 9, 35, 41, 49, 55, 75, 81
V
SS
Ground (for internal circuit)
44, 58, 72, 86
V
SS
Q
Ground (for output buffer)
6, 12, 32, 38, 46, 52, 78, 84
NC
No connection
30, 57, 69, 70, 71
IC
Internal connection
17, 28, 59, 73
Block Diagram
DQM
Clock generator
Command decoder
Memory Cell Matrix
2,097,152 words by 16 bits
(WORD mode)
or
1,048,576 words by 32 bits
(DOUBLE WORD mode)
Mode register
Control logic
Column buffer
Column decoder
Sense amplifier
Output control
Output buffer
O0 - O31
/CS
/RAS
/CAS
/MR
/WORD
CLK
CKE
A0 - A12
Row buffer
Row decoder
5
Data Sheet M12550EJ6V0DS00
4



PD23C32202L
CONTENTS
1.
Input / Output Pin Functions ............................................................................................................ 7
2.
Simplified State Diagram .................................................................................................................. 9
3.
Commands ........................................................................................................................................ 10
3.1
MODE REGISTER SET (MRS) ................................................................................................................. 10
3.2
ROW ACTIVATE (ACT) ............................................................................................................................ 10
3.3
READ (READ) .......................................................................................................................................... 10
3.4
BURST STOP (BST) ................................................................................................................................. 10
4.
Truth Table ....................................................................................................................................... 11
4.1
Clock Enable and Command ................................................................................................................. 11
4.2
Command Truth Table ............................................................................................................................ 11
4.3
Operative Command Table .................................................................................................................... 12
5.
Mode Register Settings .................................................................................................................. 13
6.
Word Modes...................................................................................................................................... 14
6.1
Addressing Map (WORD Mode) ............................................................................................................. 14
6.2
Data Output (WORD Mode) .................................................................................................................... 14
6.3
Addressing Map (DOUBLE WORD Mode) ............................................................................................. 15
6.4
Data Output (DOUBLE WORD Mode) .................................................................................................... 15
7.
Relationship between Clock Frequency and /RAS Latency, /CAS Latency ............................... 16
8.
Command Interval ........................................................................................................................... 17
8.1
Relationship between Clock Frequency, Parameter and Command Interval .................................... 17
8.2
READ to READ Command Interval (t
CCD
) .............................................................................................. 18
8.3
READ to ROW ACTIVATE Command Interval ....................................................................................... 20
8.4
READ to BURST STOP Command Interval ........................................................................................... 23
8.5
ROW ACTIVATE to ROW ACTIVATE Command Interval ..................................................................... 23
9.
Power-On Sequence ....................................................................................................................... 24
10. Basic Operations ............................................................................................................................. 25
10.1
MODE REGISTER SET Command ......................................................................................................... 25
10.2
DQM Operation ........................................................................................................................................ 25
10.3
Burst Termination ................................................................................................................................... 25
10.4
POWER DOWN and CLOCK SUSPEND Mode ...................................................................................... 26
10.4.1
POWER DOWN Mode ................................................................................................................ 26
10.4.2
READ SUSPEND and ACTIVE POWER DOWN Mode .............................................................. 26
11. Electrical Specifications ................................................................................................................. 27
12. Timing Charts .................................................................................................................................. 31
12.1
Relationship between Frequency and Parameter ................................................................................ 31
12.1.1
ROW ACTIVATE - READ - ROW ACTIVATE - READ (1-1) ....................................................... 32
12.1.2
ROW ACTIVATE - READ - ROW ACTIVATE - READ (1-2) ....................................................... 32
12.1.3
ROW ACTIVATE - READ - ROW ACTIVATE - READ (2-1) ....................................................... 32
12.1.4
ROW ACTIVATE - READ - ROW ACTIVATE - READ (2-2) ....................................................... 33
12.1.5
ROW ACTIVATE - READ - ROW ACTIVATE - READ (2-3) ....................................................... 33
12.1.6
ROW ACTIVATE - READ - ROW ACTIVATE - READ (2-4) ....................................................... 33
12.1.7
ROW ACTIVATE - READ - ROW ACTIVATE - READ (3-1) ....................................................... 34
12.1.8
ROW ACTIVATE - READ - ROW ACTIVATE - READ (3-2) ....................................................... 34
Data Sheet M12550EJ6V0DS00
5



PD23C32202L
12.1.9
ROW ACTIVATE - READ - ROW ACTIVATE - READ (4-1) ....................................................... 34
12.1.10 ROW ACTIVATE - READ - ROW ACTIVATE - READ (4-2) ....................................................... 35
12.1.11 ROW ACTIVATE - READ - ROW ACTIVATE - READ (4-3) ....................................................... 35
12.1.12 ROW ACTIVATE - READ - ROW ACTIVATE - READ (4-4) ....................................................... 35
12.1.13 ROW ACTIVATE - READ - READ (1-1) ...................................................................................... 36
12.1.14 ROW ACTIVATE - READ - READ (1-2) ...................................................................................... 36
12.1.15 ROW ACTIVATE - READ - READ (2-1) ...................................................................................... 36
12.1.16 ROW ACTIVATE - READ - READ (2-2) ...................................................................................... 37
12.1.17 ROW ACTIVATE - READ - READ (2-3) ...................................................................................... 37
12.1.18 ROW ACTIVATE - READ - READ (2-4) ...................................................................................... 37
12.1.19 ROW ACTIVATE - READ - READ (3-1) ...................................................................................... 38
12.1.20 ROW ACTIVATE - READ - READ (3-2) ...................................................................................... 38
12.1.21 ROW ACTIVATE - READ - READ (4-1) ...................................................................................... 38
12.1.22 ROW ACTIVATE - READ - READ (4-2) ...................................................................................... 39
12.1.23 ROW ACTIVATE - READ - READ (4-3) ...................................................................................... 39
12.1.24 ROW ACTIVATE - READ - READ (4-4) ...................................................................................... 39
12.2
Random Row Read Timing .................................................................................................................... 40
12.2.1
at 66 MHz (2-5-1-1-1) ................................................................................................................. 40
12.2.2
at 66 MHz (2-5-1-1-1-1-1-1-1) ..................................................................................................... 40
12.2.3
at 50 MHz (1-4-1-1-1) ................................................................................................................. 41
12.2.4
at 50 MHz (1-4-1-1-1-1-1-1-1) ..................................................................................................... 41
12.2.5
at 33 MHz (1-3-1-1-1) ................................................................................................................. 42
12.2.6
at 33 MHz (1-3-1-1-1) ................................................................................................................. 42
12.2.7
at 33 MHz (1-3-1-1-1-1-1-1-1) ..................................................................................................... 43
12.2.8
at 33 MHz (1-3-1-1-1-1-1-1-1) ..................................................................................................... 43
12.3
Random Column Read Timing ............................................................................................................... 44
12.3.1
at 66 MHz (2-5-1-1-1) ................................................................................................................. 44
12.3.2
at 66 MHz (2-5-1-1-1-1-1-1-1) ..................................................................................................... 44
12.3.3
at 50 MHz (1-4-1-1-1) ................................................................................................................. 45
12.3.4
at 50 MHz (1-4-1-1-1) ................................................................................................................. 45
12.3.5
at 50 MHz (1-4-1-1-1-1-1-1-1) ..................................................................................................... 46
12.3.6
at 50 MHz (1-4-1-1-1-1-1-1-1) ..................................................................................................... 46
12.3.7
at 33 MHz (1-3-1-1-1) ................................................................................................................. 47
12.3.8
at 33 MHz (1-3-1-1-1) ................................................................................................................. 47
12.3.9
at 33 MHz (1-3-1-1-1-1-1-1-1) ..................................................................................................... 48
12.3.10 at 33 MHz (1-3-1-1-1-1-1-1-1) ..................................................................................................... 48
12.3.11 BURST STOP ............................................................................................................................. 49
12.3.12 CLOCK SUSPEND and POWER DOWN ................................................................................... 49
12.4
Command Combination Examples ........................................................................................................ 50
12.4.1
ROW ACTIVATE - READ (1) ...................................................................................................... 50
12.4.2
ROW ACTIVATE - READ (2) ...................................................................................................... 50
12.4.3
ROW ACTIVATE - READ (3) ...................................................................................................... 51
12.4.4
ROW ACTIVATE - READ (4) ...................................................................................................... 51
12.4.5
ROW ACTIVATE - READ (5) ...................................................................................................... 52
12.4.6
ROW ACTIVATE - ROW ACTIVATE .......................................................................................... 52
12.4.7
READ - READ (1) ....................................................................................................................... 53
© 2018 • ICSheet
Contact form
Main page