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PDF V62C31864 Data sheet ( Hoja de datos )

Número de pieza V62C31864
Descripción 2.7 VOLT 8K X 8 STATIC RAM
Fabricantes Mosel Vitelic Corp 
Logotipo Mosel Vitelic  Corp Logotipo



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No Preview Available ! V62C31864 Hoja de datos, Descripción, Manual

MOSEL VITELIC V62C31864
2.7 VOLT 8K X 8 STATIC RAM
PRELIMINARY
Features
s High-speed: 35, 70 ns
s Ultra low DC operating current of 2mA (Max.)
s Low Power Dissipation:
– TTL Standby: 1 mA (Max.)
– CMOS Standby: 10 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 Extended operating voltage: 2.7V–3.6V
s Packages
– 28-pin TSOP (Standard)
– 28-pin 300 mil SOP (450 mil pin-to-pin)
Description
The V62C31864 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 Column I/O
Input
Data
Circuit
Column Decoder
I/O7
CE2
CE1 Control
OE Circuit
WE
A9
A12
31864 01
Device Usage Chart
Operating
Temperature
Range
0°C to 70 °C
–40°C to +85°C
Package Outline
TF
••
••
Access Time (ns)
35 70
••
Power
L LL
••
Temperature
Mark
Blank
I
V62C31864 Rev. 1.6 August 1998
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V62C31864 pdf
MOSEL VITELIC
V62C31864
Data Retention Characteristics
Symbol Parameter
Min. Typ.(2) Max. Units
VDR VCC for Data Retention CE1 ³ VCC – 0.2V, CE2 £ 0.2V,
VIN ³ VCC – 0.2V, or VIN £ 0.2V
2.0 — 3.6 V
ICCDR
Data Retention Current
CE1 ³ VDR – 0.2V, CE2 £ 0.2V,
VIN ³ VCC – 0.2V, or VIN £ 0.2V
Com’l
L
— 0.5 40 mA
LL — 0.5 10
Ind. L — — 45
LL — — 15
tCDR
Chip Deselect to Data Retention Time
tR Operation Recovery Time (see Retention Waveform)
NOTES:
1. tRC = Read Cycle Time
2. TA = +25°C.
0 — — ns
tRC(1)
ns
Low VCC Data Retention Waveform (1) (CE1 Controlled)
Data Retention Mode
VCC
2.7V
VDR ³ 2V
tCDR
tR
CE1
2.2V
CE1 ³ VCC – 0.2V
2.7V
2.2V
31864 14
Low VCC Data Retention Waveform (2) (CE2 Controlled)
Data Retention Mode
VCC
2.7V
tCDR
VDR ³ 2V
tR
CE2 2.2V
CE2 ² 0.2V
2.7V
2.2V
31864 15
V62C31864 Rev. 1.6 August 1998
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V62C31864 arduino
MOSEL VITELIC
Notes
V62C31864
V62C31864 Rev. 1.6 August 1998
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