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

Datasheet: M14429EJ4V0DS00 (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.
1999
MOS INTEGRATED CIRCUIT



PD444008L
4M-BIT CMOS FAST SRAM
512K-WORD BY 8-BIT
DATA SHEET
Document No. M14429EJ4V0DS00 (4th edition)
Date Published May 2002 NS CP(K)
Printed in Japan
The mark shows major revised points.
Description
The
PD444008L is a high speed, low power, 4,194,304 bits (524,288 words by 8 bits) CMOS static RAM.
Operating supply voltage is 3.3 V
0.3 V.
The
PD444008L is packaged in 36-pin PLASTIC SOJ.
Features
524,288 words by 8 bits organization
Fast access time : 8, 10, 12, ns (MAX.)
Output Enable input for easy application
Single +3.3 V power supply
Ordering Information
Part number
Package
Access time
Supply current mA (MAX.)
ns (MAX.)
At operating
At standby
PD444008LLE-A8
36-pin PLASTIC SOJ
8
185
5
PD444008LLE-A10
(10.16 mm (400))
10
165
PD444008LLE-A12
12
155
2



PD444008L
Data Sheet M14429EJ4V0DS
Pin Configuration (Marking Side)
/
indicates active low signal.
36-pin PLASTIC SOJ (10.16 mm (400))
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
A0
A1
A2
A3
A4
/CS
I/O1
I/O2
V
CC
GND
I/O3
I/O4
/WE
A5
A6
A7
A8
A9
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
19
NC
A18
A17
A16
A15
/OE
I/O8
I/O7
GND
V
CC
I/O6
I/O5
A14
A13
A12
A11
A10
NC
A0 - A18
: Address Inputs
I/O1 - I/O8 : Data Inputs / Outputs
/CS
: Chip Select
/WE
: Write Enable
/OE
: Output Enable
V
CC
: Power supply
GND
: Ground
NC
: No connection
Remark Refer to Package Drawing for the 1-pin index mark.
3



PD444008L
Data Sheet M14429EJ4V0DS
Block Diagram
A0
|
A18
Address buffer
Row decoder
Memory cell array
4,194,304 bits
GND
V
CC
/WE
/OE
/CS
Input data
controller
Sense amplifier /
Switching circuit
Column decoder
Address buffer
I/O1
|
I/O8
Output data
controller
Truth Table
/CS
/OE
/WE
Mode
I/O
Supply current
H
Not selected
High impedance
I
SB
L
L
H
Read
D
OUT
I
CC
L
L
Write
D
IN
L
H
H
Output disable
High impedance
Remark
: Don't care
4



PD444008L
Data Sheet M14429EJ4V0DS
Electrical Specifications
Absolute Maximum Ratings
Parameter
Symbol
Condition
Rating
Unit
Supply voltage
V
CC
0.5
Note
to +4.0
V
Input / Output voltage
V
T
0.5
Note
to +4.0
V
Operating ambient temperature
T
A
0 to 70
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
3.0
3.3
3.6
V
High level input voltage
V
IH
2.0
V
CC
+0.3
V
Low level input voltage
V
IL
0.3
Note
+0.8
V
Operating ambient temperature
T
A
0
70
C
Note 2.0 V (MIN.) (pulse width : 2 ns)
5



PD444008L
Data Sheet M14429EJ4V0DS
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
,
2
+2
A
/CS = V
IH
or /OE = V
IH
or /WE = V
IL
Operating supply current
I
CC
/CS = V
IL
,
Cycle time : 8 ns
185
mA
I
I/O
= 0 mA,
Cycle time : 10 ns
165
Minimum cycle time
Cycle time : 12 ns
155
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,
5
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
Remark
V
IN
: Input voltage
V
I/O
: Input / Output voltage
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 periodically sampled and not 100% tested.
© 2018 • ICSheet
Contact form
Main page