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PDF UPD444008 Data sheet ( Hoja de datos )

Número de pieza UPD444008
Descripción 4M-BIT CMOS FAST SRAM 512K-WORD BY 8-BIT
Fabricantes NEC 
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No Preview Available ! UPD444008 Hoja de datos, Descripción, Manual

DATA SHEET
MOS INTEGRATED CIRCUIT
µPD444008
4M-BIT CMOS FAST SRAM
512K-WORD BY 8-BIT
Description
The µPD444008 is a high speed, low power, 4,194,304 bits (524,288 words by 8 bits) CMOS static RAM.
Operating supply voltage is 5.0 V ± 0.5 V.
The µPD444008 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 +5.0 V power supply
Ordering Information
Part number
µPD444008LE-8
µPD444008LE-10
µPD444008LE-12
Package
36-pin PLASTIC SOJ
(10.16 mm (400))
Access time
ns (MAX.)
8
10
12
Supply current mA (MAX.)
At operating
At standby
200 10
180
170
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. M14428EJ5V0DS00 (5th edition)
Date Published May 2002 NS CP(K)
Printed in Japan
The mark  shows major revised points.
©
1999

1 page




UPD444008 pdf
µPD444008
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
200
180
170
40
10
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 M14428EJ5V0DS
5

5 Page





UPD444008 arduino
Package Drawing
36-PIN PLASTIC SOJ (10.16 mm (400))
B
36
19
µPD444008
CD
1
G
H
J
F
18
E
M NM
K
I
S
QS
NOTE
Each lead centerline is located within 0.12 mm
of its true position (T.P.) at maximum material
condition.
U
PT
ITEM
B
C
D
E
F
G
H
I
J
K
M
N
P
Q
T
U
MILLIMETERS
23.6±0.20
10.16±0.1
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.)
0.42
+0.08
0.07
0.12
9.4±0.20
0.1
R 0.85
0.22
+0.08
0.07
P36LE-400A-2
Data Sheet M14428EJ5V0DS
11

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