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UT62256CLS-70L fiches techniques PDF

ETC - 32K X 8 BIT LOW POWER CMOS SRAM

Numéro de référence UT62256CLS-70L
Description 32K X 8 BIT LOW POWER CMOS SRAM
Fabricant ETC 
Logo ETC 





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UT62256CLS-70L fiche technique
Rev. 1.0
UTRON
UT62256C
32K X 8 BIT LOW POWER CMOS SRAM
FEATURES
GENERAL DESCRIPTION
Access time : 35/70ns (max.)
Low power consumption:
Operating : 40/30 mA (typical.)
Standby : 3mA (typical) normal
2uA (typical) L-version
1uA (typical) LL-version
Single 5V power supply
All inputs and outputs are TTL compatible
Fully static operation
Three state outputs
Data retention voltage : 2V (min.)
Package : 28-pin 600 mil PDIP
28-pin 330 mil SOP
28-pin 8mmx13.4mm STSOP
The UT62256C is a 262,144-bit low power
CMOS static random access memory
organized as 32,768 words by 8 bits. It is
fabricated using high performance, high
reliability CMOS technology.
The UT62256C is designed for high-speed
and low power application. It is particularly
well suited for battery back-up nonvolatile
memory application.
The UT62256C operates from a single 5V
power supply and all inputs and outputs are
fully TTL compatible
FUNCTIONAL BLOCK DIAGRAM PIN CONFIGURATION
A4
A3
A14 .
.A13 ROW
A12 DECODER
A7
A6 .
A5
A8
I/O1
...
... I/O
CONTROL
I/O8
...
MEMORYARRAY
512 ROWS × 512 COLUMNS
. ..
COLUMNI/O
COLUMNDECODER
VCC
VSS
CE LOGIC
WE CONTROL
OE
A10 A9 A11 A2 A1 A0
PIN DESCRIPTION
SYMBOL
A0 - A14
I/O1 - I/O8
CE
WE
OE
VCC
VSS
DESCRIPTION
Address Inputs
Data Inputs/Outputs
Chip Enable Input
Write Enable Input
Output Enable Input
Power Supply
Ground
OE
A11
A9
A8
A13
WE
Vcc
A14
A12
A7
A6
A5
A4
A3
A14 1
A12 2
A7 3
A6 4
A5 5
A4 6
A3 7
A2 8
A1 9
A0 10
I/O1 11
I/O2 12
I/O3 13
Vss 14
28 Vcc
27 WE
26 A13
25 A8
24 A9
23 A11
22 OE
21 A10
20 CE
19 I/O8
18 I/O7
17 I/O6
16 I/O5
15 I/O4
PDIP/SOP
1 28
2 27
3 26
4 25
5 24
6 23
7 22
8 UT62256C 21
9 20
10 19
11 18
12 17
13 16
14 15
STSOP
A10
CE
I/O8
I/O7
I/O6
I/O5
I/O4
Vss
I/O3
I/O2
I/O1
A0
A1
A2
____________________________________________________________________________________________
UTRON TECHNOLOGY INC.
P80027
1F, No. 11, R&D Rd. II, Science-Based Industrial Park, Hsinchu, Taiwan, R. O. C.
TEL: 886-3-5777882 FAX: 886-3-5777919
1

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