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PDF V62C518256 Data sheet ( Hoja de datos )
| Número de pieza | V62C518256 | |
| Descripción | 32K X 8 STATIC RAM | |
| Fabricantes | Mosel Vitelic Corp | |
| Logotipo |  |
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MOSEL VITELIC V62C518256
32K 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: 3 mA (Max.)
– CMOS Standby: 20 µA (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 TSOP (Standard)
– 28-pin 600 mil PDIP
– 28-pin 330 mil SOP (450 mil pin-to-pin)
Description
The V62C518256 is a 262,144-bit static random
access memory organized as 32,768 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 512
Memory Array
GND
A8
I/O0 Column I/O
Input
Data
Circuit
Column Decoder
I/O7
A9 A14
CE
OE
WE
Control
Circuit
518256-01
Device Usage Chart
Operating
Temperature
Range
0°C to 70 °C
–40°C to +85°C
Package Outline
TPF
•••
•••
Access Time (ns)
35 70
••
••
Power
L LL
••
••
Temperature
Mark
Blank
I
V62C518256 Rev. 2.3 November 1998
1
1 page  
MOSEL VITELIC
V62C518256
Data Retention Characteristics
Symbol
VDR
ICCDR
Parameter
VCC for Data Retention CE ≥ VCC – 0.2V
Data Retention Current
VDR = 3.0V, CE ≥ VDR – 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
L
LL
L
LL
Min.
2.0
—
—
—
—
0
tRC(1)
Typ.(2)
—
0.5
0.5
—
—
—
—
Max.
5.5
50
15
70
20
—
—
Units
V
µA
ns
ns
Low VCC Data Retention Waveform
Data Retention Mode
VCC
4.5V
VDR ≥ 2V
4.5V
tCDR
tR
CE
2.2V
CE ≥ VCC – 0.2V
2.2V
518256-07
V62C518256 Rev. 2.3 November 1998
5
5 Page 
MOSEL VITELIC
V62C518256
V62C518256 Rev. 2.3 November 1998
11
11 Page | ||
| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet V62C518256.PDF ] | |
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