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PDF V62C51864 Data sheet ( Hoja de datos )
| Número de pieza | V62C51864 | |
| Descripción | 8K X 8 STATIC RAM | |
| Fabricantes | Mosel Vitelic Corp | |
| Logotipo |  |
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MOSEL VITELIC V62C51864
8K X 8 STATIC RAM
PRELIMINARY
Features
s High-speed: 35, 70 ns
s Ultra low DC operating current of 5mA (max.)
s Low Power Dissipation:
– TTL Standby: 2 mA (Max.)
– CMOS Standby: 15 mA (Max.)
s Fully static operation
s All inputs and outputs directly compatible
s Three state outputs
s Ultra low data retention current (VCC = 2V)
s Single 5V ± 10% Power Supply
s Packages
– 28-pin 600 mil PDIP
– 28-pin 330 mil SOP (450 mil pin-to-pin)
Description
The V62C51864 is a 65,536-bit static random
access memory organized as 8,192 words by 8
bits. It is built with MOSEL VITELIC’s high
performance CMOS process. Inputs and three-
state outputs are TTL compatible and allow for
direct interfacing with common system bus
structures.
Functional Block Diagram
A0 VCC
Row
Decoder
512 x 128
Memory Array
GND
A8
I/O0
Input
Data
Circuit
I/O7
CE2
CE1 Control
OE Circuit
WE
Device Usage Chart
Operating
Temperature
Range
0°C to 70°C
–40°C to +85°C
Package Outline
PF
••
••
Column I/O
Column Decoder
A9 A12
51864 01
Access Time (ns)
35 70
••
••
Power
L LL
••
••
Temperature
Mark
Blank
I
V62C51864 Rev. 2.1 June 1998
1
1 page  
MOSEL VITELIC
V62C51864
Data Retention Characteristics
Symbol
VDR
ICCDR
Parameter
VCC for Data Retention
CE1 ³ VCC – 0.2V, CE2 £ 0.2V,
VIN ³ VCC – 0.2V, or VIN £ 0.2V
Data Retention Current
CE1 ³ VDR – 0.2V, CE2 £ 0.2V,
VIN ³ VCC – 0.2V, or VIN £ 0.2V
Com’l
Ind.
tCDR
Chip Deselect to Data Retention Time
tR Operation Recovery Time (see Retention Waveform)
NOTES:
1. tRC = Read Cycle Time
2. TA = +25°C.
Power Min. Typ.(2) Max. Units
2.0 — 5.5
V
L — 0.5 50 mA
LL — 0.5 10
L — — 70
LL — — 20
0 — — ns
RtC(1)
—
—
ns
Low VCC Data Retention Waveform (1) (CE1 Controlled)
Data Retention Mode
VCC
4.5V
VDR ³ 2V
tCDR
tR
CE1
2.2V
CE1 ³ VCC – 0.2V
4.5V
2.2V
51864 14
Low VCC Data Retention Waveform (2) (CE2 Controlled)
Data Retention Mode
VCC
4.5V
tCDR
VDR ³ 2V
tR
CE2 2.2V
CE2 ² 0.2V
4.5V
2.2V
51864 15
V62C51864 Rev. 2.1 June 1998
5
5 Page | ||
| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet V62C51864.PDF ] | |
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