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UT621024SC-70LL Datasheet

  • UT621024SC-70LL

  • 128K X 8 BIT LOW POWER CMOS SRAM

  • 12頁

  • ETC

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UTRON
Rev. 1.5
FEATURES
Access time : 35/55/70ns (max.)
Low power consumption :
Operating : 60/50/40 mA (typical)
Standby : 2碌A(chǔ) (typical) L-version
1碌A(chǔ) (typical) LL-version
Single 5V power supply
All inputs and outputs TTL compatible
Fully static operation
Three state outputs
Data retention voltage : 2V (min.)
Package : 32-pin 600 mil PDIP
32-pin 450 mil SOP
32-pin 8mmx20mm TSOP-1
32-pin 8mmx13.4mm STSOP
UT621024
128K X 8 BIT LOW POWER CMOS SRAM
GENERAL DESCRIPTION
The UT621024 is a 1,048,576-bit low power
CMOS static random access memory
organized as 131,072 words by 8 bits. It is
fabricated using high performance, high
reliability CMOS technology.
The UT621024 is designed for low power
application. It is particularly well suited for
battery back-up nonvolatile memory
application.
The UT621024 operates from a single 5V
power supply and all inputs and outputs are
fully TTL compatible.
PIN CONFIGURATION
NC
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
Vcc
A15
CE2
WE
FUNCTIONAL BLOCK DIAGRAM
A16
A15
A13
A14
A12
A7
A6
A5
A4
A8
ROW
DECODER
A16
A14
A12
.
MEMORY ARRAY
VCC
A7
A6
A5
A4
A3
A13
A8
A9
A11
OE
UT621024
.
.
1024 ROWS 脳 1024 COLUMNS
VSS
A2
A1
A0
I/O1
I/O2
A10
CE1
I/O8
I/O7
I/O6
I/O5
I/O4
.
I/O1
.
.
I/O8
.
.
I/O3
Vss
.
.
.
.
I/O
CONTROL
.
.
.
COLUMN I/O
COLUMN DECODER
A11
PDIP / SOP
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
32
31
30
29
28
27
26
CE
1
CE2
WE
OE
LOGIC
CONTROL
OE
A10
A10 A11 A9 A3 A2 A1 A0
A9
A8
A13
CE
1
I/O8
I/O7
I/O6
I/O5
I/O4
Vss
I/O3
I/O2
I/O1
A0
A1
A2
A3
WE
PIN DESCRIPTION
SYMBOL
A0 - A16
I/O1 - I/O8
CE
1
,CE2
WE
OE
V
CC
V
SS
NC
DESCRIPTION
Address Inputs
Data Inputs/Outputs
Chip enable 1,2 Inputs
Write Enable Input
Output Enable Input
Power Supply
Ground
No Connection
CE2
A15
Vcc
NC
A16
A14
A12
A7
A6
A5
A4
UT621024
25
24
23
22
21
20
19
18
17
TSOP-I/STSOP
________________________________________________________________________________________________
UTRON TECHNOLOGY INC.
P80036
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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