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PDF UPD431000AGU-B10X-9JH Data sheet ( Hoja de datos )

Número de pieza UPD431000AGU-B10X-9JH
Descripción 1M-BIT CMOS STATIC RAM 128K-WORD BY 8-BIT EXTENDED TEMPERATURE OPERATION
Fabricantes NEC 
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No Preview Available ! UPD431000AGU-B10X-9JH Hoja de datos, Descripción, Manual

DATA SHEET
MOS INTEGRATED CIRCUIT
µ PD431000A-X
1M-BIT CMOS STATIC RAM
128K-WORD BY 8-BIT
EXTENDED TEMPERATURE OPERATION
Description
The µPD431000A-X is a high speed, low power, and 1,048,576 bits (131,072 words by 8 bits) CMOS static RAM.
The µPD431000A-X has two chip enable pins (/CE1, CE2) to extend the capacity. And battery backup is available.
In addition to this, A and B versions are low voltage operations.
The µPD431000A-X is packed in 32-pin PLASTIC SOP, 32-pin PLASTIC TSOP (I) (8 × 13.4 mm) and (8 × 20 mm).
Features
131,072 words by 8 bits organization
Fast access time: 70, 85, 100, 120, 150 ns (MAX.)
Low voltage operation (A version: VCC = 3.0 to 5.5 V, B version: VCC = 2.7 to 5.5 V)
Operating ambient temperature: TA = –25 to +85 °C
Low VCC data retention: 2.0 V (MIN.)
Output Enable input for easy application
Two Chip Enable inputs: /CE1, CE2
Part number
Access time
Operating supply Operating ambient
Supply current
ns (MAX.)
voltage
V
temperature
°C
At operating
mA (MAX.)
At standby
µA (MAX.)
At data retention
µA (MAX.) Note1
µPD431000A-xxX
70, 85
µPD431000A-AxxX
70 Note2, 100
µPD431000A-BxxX 70 Note2, 100, 120, 150
4.5 to 5.5
3.0 to 5.5
2.7 to 5.5
–25 to +85
70
35 Note3
30 Note4
50
26 Note5
22 Note6
2.5
Notes 1. TA 40 °C
2. VCC = 4.5 to 5.5 V
3. 70 mA (VCC > 3.6 V)
4. 70 mA (VCC > 3.3 V)
5. 50 µA (VCC > 3.6 V)
6. 50 µA (VCC > 3.3 V)
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. M10430EJ9V0DS00 (9th edition)
Date Published April 2002 NS CP (K)
Printed in Japan
The mark 5 shows major revised points.
©
1995

1 page




UPD431000AGU-B10X-9JH pdf
µPD431000A-X
32-pin PLASTIC TSOP (I) (8×13.4) (Normal bent)
[µPD431000AGU-BxxX-9JH]
A11
A9
A8
A13
/WE
CE2
A15
VCC
NC
A16
A14
A12
A7
A6
A5
A4
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
32 /OE
31 A10
30 /CE1
29 I/O8
28 I/O7
27 I/O6
26 I/O5
25 I/O4
24 GND
23 I/O3
22 I/O2
21 I/O1
20 A0
19 A1
18 A2
17 A3
/OE
A10
/CE1
I/O8
I/O7
I/O6
I/O5
I/O4
GND
I/O3
I/O2
I/O1
A0
A1
A2
A3
32-pin PLASTIC TSOP (I) (8×13.4) (Reverse bent)
[µPD431000AGU-BxxX-9KH]
32 1
31 2
30 3
29 4
28 5
27 6
26 7
25 8
24 9
23 10
22 11
21 12
20 13
19 14
18 15
17 16
A11
A9
A8
A13
/WE
CE2
A15
VCC
NC
A16
A14
A12
A7
A6
A5
A4
A0 - A16
I/O1 - I/O8
/CE1, CE2
/WE
/OE
VCC
GND
NC
: Address inputs
: Data inputs / outputs
: Chip Enable 1, 2
: Write Enable
: Output Enable
: Power supply
: Ground
: No connection
Remark Refer to Package Drawings for the 1-pin index mark.
Data Sheet M10430EJ9V0DS
5

5 Page





UPD431000AGU-B10X-9JH arduino
Read Cycle Timing Chart
Address (Input)
/CE1 (Input)
CE2 (Input)
/OE (Input)
I/O (Output)
tRC
tAA
tCO1
tLZ1
tCO2
tLZ2
High impedance
tOE
tOLZ
Remark In read cycle, /WE should be fixed to high level.
µPD431000A-X
tOH
tHZ1
tHZ2
tOHZ
Data out
Data Sheet M10430EJ9V0DS
11

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