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PDF V61C3181024 Data sheet ( Hoja de datos )
| Número de pieza | V61C3181024 | |
| Descripción | 128K X 8 HIGH SPEED STATIC RAM | |
| Fabricantes | Mosel Vitelic Corp | |
| Logotipo |  |
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MOSEL VITELIC
V61C3181024
128K X 8 HIGH SPEED
STATIC RAM
PRELIMINARY
Features
s High-speed: 10, 12, 15 ns
s Fully static operation
s All inputs and outputs directly TTL compatible
s Three state outputs
s Low data retention current (VCC = 2V)
s Single 3.3V ± 0.3 Power Supply
s Low CMOS Standby current of 5 mA max
s Packages
– 32-pin TSOP
– 32-pin 300 mil SOJ
Description
The V61C3181024 is a 1,048,576-bit static
random-access memory organized as 131,072
words by 8 bits. Inputs and three-state outputs are
TTL compatible and allow for direct interfacing
with common system bus structures. The
V61C3181024 is available in 32-pin SOJ and
TSOP.
Functional Block Diagram
A0
Row
Decoder
Memory Array
VCC
GND
A8
I/O0 Column I/O
Input
Data
Circuit
Column Decoder
I/O7
CE1
CE2 Control
OE Circuit
WE
A9
A16
3181024 01
Device Usage Chart
Operating
Temperature
Range
0°C to 70°C
V61C3181024 Rev. 1.3 February 1999
Package Outline
TR
••
Access Time (ns)
10 12 15
•••
1
Temperature
Mark
Blank
1 page  
MOSEL VITELIC
Data Retention Characteristics
Symbol Parameter
VDR VCC for Data Retention
CE1 ≥ VCC – 0.2V, CE2 ≤ 0.2V,
VIN ≥ VCC – 0.2V, or VIN ≤ 0.2V
ICCDR
Data Retention Current
CE1 ≥ VDR –0.2V, CE2 ≤ 0.2V,
VIN ≥ VCC – 0.2V, or VIN ≤ 0.2V
tCDR
Chip Deselect to Data Retention Time
tR Operation Recovery Time (see Retention Waveform)
NOTES:
1. tRC = Read Cycle Time
2. TA = +25°C.
V61C3181024
Min.
2.0
Typ.(2)
—
Max.
5.5
Units
V
— 75 150 µA
0 — — ns
tRC(1)
—
—
ns
Low VCC Data Retention Waveform (1) (CE1 Controlled)
Data Retention Mode
VCC
4.5V
VDR ≥ 2V
tCDR
tR
CE1
2.2V
CE1 ≥ VCC – 0.2V
4.5V
2.2V
3181024 07
Low VCC Data Retention Waveform (2) (CE2 Controlled)
Data Retention Mode
VCC
4.5V
tCDR
VDR ≥ 2V
tR
CE2 2.2V
CE2 ≤ 0.2V
4.5V
2.2V
3181024 08
V61C3181024 Rev. 1.3 February 1999
5
5 Page | ||
| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet V61C3181024.PDF ] | |
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