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PDF UPD431000A-xxx Data sheet ( Hoja de datos )

Número de pieza UPD431000A-xxx
Descripción 1M-BIT CMOS STATIC RAM 128K-WORD BY 8-BIT
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DATA SHEET
MOS INTEGRATED CIRCUIT
µ PD431000A
1M-BIT CMOS STATIC RAM
128K-WORD BY 8-BIT
Description
The µPD431000A is a high speed, low power, and 1,048,576 bits (131,072 words by 8 bits) CMOS static RAM.
The µPD431000A 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 is packed in 32-pin PLASTIC DIP, 32-pin PLASTIC SOP and 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 = 0 to 70 °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-xxL
70, 85
4.5 to 5.5
0 to 70
70 100
15
µPD431000A-xxLL
µPD431000A-Axx
µPD431000A-Bxx
70 Note2, 100
70 Note2, 100, 120, 150
3.0 to 5.5
2.7 to 5.5
35 Note3
30 Note4
20
13 Note5
11 Note6
3
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. 20 µA (VCC > 3.6 V)
6. 20 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. M11657EJBV0DS00 (11th edition)
Date Published April 2002 NS CP (K)
Printed in Japan
The mark 5 shows major revised points.
©
1990, 1993, 1995

1 page




UPD431000A-xxx pdf
µPD431000A
A11
A9
A8
A13
/WE
CE2
A15
VCC
NC
A16
A14
A12
A7
A6
A5
A4
/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) (8x20) (Normal bent)
[µPD431000AGZ-xxL-KJH]
[µPD431000AGZ-xxLL-KJH]
[µPD431000AGZ-Bxx-KJH]
1 32
2 31
3 30
4 29
5 28
6 27
7 26
8 25
9 24
10 23
11 22
12 21
13 20
14 19
15 18
16 17
32-pin PLASTIC TSOP(I) (8x20) (Reverse bent)
[µPD431000AGZ-xxLL-KKH]
[µPD431000AGZ-Bxx-KKH]
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
/OE
A10
/CE1
I/O8
I/O7
I/O6
I/O5
I/O4
GND
I/O3
I/O2
I/O1
A0
A1
A2
A3
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 M11657EJBV0DS
5

5 Page





UPD431000A-xxx arduino
µPD431000A
AC Characteristics (Recommended Operating Conditions Unless Otherwise Noted)
AC Test Conditions
[µPD431000A-70L, µPD431000A-85L, µPD431000A-70LL, µPD431000A-85LL]
Input Waveform (Rise and Fall Time 5 ns)
2.2 V
1.5 V
Test points
1.5 V
0.8 V
Output Waveform
1.5 V
Test points
1.5 V
Output Load
AC characteristics should be measured with the following output load conditions.
Figure 1
Figure 2
(tAA, tCO1, tCO2, tOE, tOH)
+5 V
(tLZ1, tLZ2, tOLZ, tHZ1, tHZ2, tOHZ, tWHZ, tOW)
+5 V
I/O (Output)
990
1.8 k
100 pF
CL
I/O (Output)
990
1.8 k
5 pF
CL
Remark CL includes capacitance of the probe and jig, and stray capacitance.
[µPD431000A-A10, µPD431000A-B10, µPD431000A-B12, µPD431000A-B15]
Input Waveform (Rise and Fall Time 5 ns)
2.2 V
1.5 V
Test points
1.5 V
0.5 V
Output Waveform
1.5 V
Test points
1.5 V
Output Load
AC characteristics should be measured with the following output load conditions.
Part number
Output load condition
tAA, tCO1, tCO2, tOE, tOH tLZ1, tLZ2, tOLZ, tHZ1, tHZ2, tOHZ, tWHZ, tOW
µPD431000A-A10, µPD431000A-B10, µPD431000A-B12
1TTL + 50 pF
1TTL + 5 pF
µPD431000A-B15
1TTL + 100 pF
1TTL + 5 pF
Data Sheet M11657EJBV0DS
11

11 Page







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