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PDF UPD444004L Data sheet ( Hoja de datos )
| Número de pieza | UPD444004L | |
| Descripción | 4M-BIT CMOS FAST SRAM 1M-WORD BY 4-BIT | |
| Fabricantes | NEC | |
| Logotipo |  |
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DATA SHEET
MOS INTEGRATED CIRCUIT
µPD444004L
4M-BIT CMOS FAST SRAM
1M-WORD BY 4-BIT
Description
The µPD444004L is a high speed, low power, 4,194,304 bits (1,048,576 words by 4 bits) CMOS static RAM.
Operating supply voltage is 3.3 V ± 0.3 V.
The µPD444004L is packaged in a 32-pin PLASTIC SOJ.
Features
• 1,048,576 words by 4 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
µPD444004LLE-A8
µPD444004LLE-A10
µPD444004LLE-A12
Package
32-pin PLASTIC SOJ
(10.16 mm (400))
Access time
ns (MAX.)
8
10
12
Supply current mA (MAX.)
At operating
At standby
180 5
160
150
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.
Document No. M14427EJ4V0DS00 (4th edition)
Date Published May 2002 NS CP(K)
Printed in Japan
The mark shows major revised points.
©
1999
1 page  
µPD444004L
DC Characteristics (Recommended Operating Conditions Unless Otherwise Noted)
Parameter
Symbol
Test condition
MIN.
TYP.
Input leakage current
ILI VIN = 0 V to VCC
Output leakage current
ILO VI/O = 0 V to VCC,
/CS = VIH or /OE = VIH or /WE = VIL
Operating supply current
ICC /CS = VIL,
Cycle time : 8 ns
II/O = 0 mA,
Cycle time : 10 ns
Minimum cycle time Cycle time : 12 ns
Standby supply current
ISB /CS = VIH, VIN = VIH or VIL
ISB1 /CS ≥ VCC – 0.2 V,
VIN ≤ 0.2 V or VIN ≥ VCC – 0.2 V
High level output voltage
VOH IOH = –4.0 mA
Low level output voltage
VOL IOL = +8.0 mA
Remark
VIN : Input voltage
VI/O : Input / Output voltage
–2
–2
2.4
MAX.
+2
+2
180
160
150
40
5
0.4
Unit
µA
µA
mA
mA
V
V
Capacitance (TA = 25 °C, f = 1 MHz)
Parameter
Symbol
Test condition
MIN.
Input capacitance
Input / Output capacitance
CIN VIN = 0 V
CI/O
VI/O = 0 V
Remarks 1. VIN : Input voltage
VI/O : Input / Output voltage
2. These parameters are periodically sampled and not 100% tested.
TYP.
MAX.
6
8
Unit
pF
pF
Data Sheet M14427EJ4V0DS
5
5 Page 
Package Drawing
32-PIN PLASTIC SOJ (10.16 mm (400))
B
32
17
µPD444004L
CD
1
G
J
F
16
E
M NM
K
I
H
NOTE
Each lead centerline is located within 0.12 mm of
its true position (T.P.) at maximum material condition.
S
QS
U
PT
ITEM
B
C
D
E
F
G
H
I
J
K
M
N
P
Q
T
U
MILLIMETERS
21.26±0.2
10.16
11.18±0.2
1.005±0.1
0.74
3.5±0.2
2.545±0.2
0.8 MIN.
2.6
1.27(T.P.)
0.40±0.10
0.12
9.4±0.20
0.1
R0.85
0.20+−00..1005
P32LE-400A-1
Data Sheet M14427EJ4V0DS
11
11 Page | ||
| Páginas | Total 16 Páginas | |
| PDF Descargar | [ Datasheet UPD444004L.PDF ] | |
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