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Datasheet: M15391EJ1V0DS00 (NEC)

 

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2001
MOS INTEGRATED CIRCUIT



PD444016-Y
4M-BIT CMOS FAST SRAM
256K-WORD BY 16-BIT
EXTENDED TEMPERATURE OPERATION
PRELIMINARY DATA SHEET
Document No. M15391EJ1V0DS00 (1st edition)
Date Published February 2001 NS CP(K)
Printed in Japan
Description
The
PD444016-Y is a high speed, low power, 4,194,304 bits (262,144 words by 16 bits) CMOS static RAM.
Operating supply voltage is 5.0 V
0.5 V.
The
PD444016-Y is packaged in 44-PIN PLASTIC TSOP (II).
Features
262,144 words by 16 bits organization
Fast access time : 8, 10, 12 ns (MAX.)
Byte data control : /LB (I/O1 - I/O8), /UB (I/O9 - I/O16)
Output Enable input for easy application
Single +5.0 V power supply
Ordering Information
Part number
Package
Access time
Supply current mA (MAX.)
ns (MAX.)
At operating
At standby
PD444016G5-8Y-7JF
44-PIN PLASTIC TSOP (II)
8
220
10
PD444016G5-10Y-7JF
(10.16 mm (400))
10
200
PD444016G5-12Y-7JF
(Normal bent)
12
190
2



PD444016-Y
Preliminary Data Sheet M15391EJ1V0DS
Pin Configuration (Marking Side)
/
indicates active low signal.
44-PIN PLASTIC TSOP (II) (10.16 mm (400)) (Normal bent)
[



PD444016G5-
Y-7JF ]
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
A0
A1
A2
A3
A4
/CS
I/O1
I/O2
I/O3
I/O4
V
CC
GND
I/O5
I/O6
I/O7
I/O8
/WE
A5
A6
A7
A8
A9
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
A17
A16
A15
/OE
/UB
/LB
I/O16
I/O15
I/O14
I/O13
GND
V
CC
I/O12
I/O11
I/O10
I/O9
NC
A14
A13
A12
A11
A10
A0 - A17
: Address Inputs
I/O1 - I/O16 : Data Inputs / Outputs
/CS
: Chip Select
/WE
: Write Enable
/OE
: Output Enable
/LB, /UB
: Byte data select
V
CC
: Power supply
GND
: Ground
NC
: No connection
Remark Refer to Package Drawing for the 1-pin index mark.
3



PD444016-Y
Preliminary Data Sheet M15391EJ1V0DS
Block Diagram
GND
V
CC
/WE
/OE
/CS
Input data
controller
Sense amplifier /
Switching circuit
Column decoder
Address buffer
A0
|
A17
Address buffer
Row decoder
Memory cell array
4,194,304 bits
Output data
controller
/LB
/UB
I/O9 - I/O16
I/O1 - I/O8
Truth Table
/CS
/OE
/WE
/LB
/UB
Mode
I/O
Supply current
I/O1 - I/O8
I/O9 - I/O16
H
Not selected
High impedance
High impedance
I
SB
L
L
H
L
L
Read
D
OUT
D
OUT
I
CC
L
H
D
OUT
High impedance
H
L
High impedance
D
OUT
L
L
L
L
Write
D
IN
D
IN
L
H
D
IN
High impedance
H
L
High impedance
D
IN
L
H
H
Output disable
High impedance
High impedance
L
H
H
High impedance
High impedance
Remark
: Don't care
4



PD444016-Y
Preliminary Data Sheet M15391EJ1V0DS
Electrical Specifications
Absolute Maximum Ratings
Parameter
Symbol
Condition
Rating
Unit
Supply voltage
V
CC
0.5
Note
to +7.0
V
Input / Output voltage
V
T
0.5
Note
to V
CC
+0.5
V
Operating ambient temperature
T
A
40 to +85
C
Storage temperature
T
stg
55 to +125
C
Note 2.0 V (MIN.) (pulse width : 2 ns)
Caution
Exposing the device to stress above those listed in Absolute Maximum Rating could cause
permanent damage. The device is not meant to be operated under conditions outside the limits
described in the operational section of this specification. Exposure to Absolute Maximum Rating
conditions for extended periods may affect device reliability.
Recommended Operating Conditions
Parameter
Symbol
Condition
MIN.
TYP.
MAX.
Unit
Supply voltage
V
CC
4.5
5.0
5.5
V
High level input voltage
V
IH
2.2
V
CC
+0.5
V
Low level input voltage
V
IL
0.5
Note
+0.8
V
Operating ambient temperature
T
A
40
+85
C
Note 2.0 V (MIN.) (pulse width : 2 ns)
5



PD444016-Y
Preliminary Data Sheet M15391EJ1V0DS
DC Characteristics (Recommended Operating Conditions Unless Otherwise Noted)
Parameter
Symbol
Test condition
MIN.
TYP.
MAX.
Unit
Input leakage current
I
LI
V
IN
= 0 V to V
CC
2
+2
A
Output leakage current
I
LO
V
I/O
= 0 V to V
CC
, /CS = V
IH
or /OE = V
IH
2
+2
A
or /WE = V
IL
or /LB = V
IH
or /UB = V
IH
Operating supply current
I
CC
/CS = V
IL
,
Cycle time : 8 ns
220
mA
I
I/O
= 0 mA,
Cycle time : 10 ns
200
Minimum cycle time
Cycle time : 12 ns
190
Standby supply current
I
SB
/CS = V
IH
, V
IN
= V
IH
or V
IL
40
mA
I
SB1
/CS
V
CC
0.2 V,
10
V
IN
0.2 V or V
IN
V
CC
0.2 V
High level output voltage
V
OH
I
OH
= 4.0 mA
2.4
V
Low level output voltage
V
OL
I
OL
= +8.0 mA
0.4
V
Remarks 1. V
IN
: Input voltage
V
I/O
: Input / Output voltage
2. These DC characteristics are in common regardless of product classification.
Capacitance (T
A
=
25



C, f = 1 MHz)
Parameter
Symbol
Test condition
MIN.
TYP.
MAX.
Unit
Input capacitance
C
IN
V
IN
= 0 V
6
pF
Input / Output capacitance
C
I/O
V
I/O
= 0 V
8
pF
Remarks 1. V
IN
: Input voltage
V
I/O
: Input / Output voltage
2. These parameters are not 100% tested.
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