UT62256SC-70LL UTRON, UT62256SC-70LL Datasheet

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UT62256SC-70LL

Manufacturer Part Number
UT62256SC-70LL
Description
Access time: 70 ns, 32 K x 8 Bit low power CMOS SRAM
Manufacturer
UTRON
Datasheet

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UT62256SC-70LL
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Part Number:
UT62256SC-70LL
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UTC
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UT62256SC-70LL
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Rev. 1.5
FEATURES
FUNCTIONAL BLOCK DIAGRAM
A6
I/O1
I/O8
PIN DESCRIPTION
____________________________________________________________________________________________
UTRON TECHNOLOGY INC.
TEL: 886-3-5777882
A4
A3
A14
A13
A12
A7
A5
A8
OE
CE
WE
. . .
1F, No. 11, R&D Rd. II, Science-Based Industrial Park, Hsinchu, Taiwan, R. O. C.
Operating : 60/40 mA (typical.)
Access time : 35/70ns (max.)
Low power consumption:
Standby : 3mA (typical) normal
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
. . .
SYMBOL
A0 - A14
I/O1 - I/O8
V
V
CE
WE
OE
DECODER
CONTROL
CONTROL
CC
SS
LOGIC
ROW
I/O
28-pin 330 mil SOP
28-pin 8x13.4mm STSOP
2uA (typical) L-version
1uA (typical) LL-version
.
.
.
. . .
UTRON
A10
FAX: 886-3-5777919
Address Inputs
Data Inputs/Outputs
Chip Enable Input
Write Enable Input
Output Enable Input
Power Supply
Ground
512 ROW S × 512 COLUMNS
A9
COLUMN DECODER
.
DESCRIPTION
MEMORY ARRAY
COLUMN I/O
A11
. .
A2 A1 A0
32K X 8 BIT LOW POWER CMOS SRAM
V SS
V CC
1
GENERAL DESCRIPTION
The UT62256 is a 262,144-bit low power
CMOS
organized as 32,768 words by 8 bits. It is
fabricated using high performance, high
reliability CMOS technology.
The UT62256 is designed for high-speed and
low power application. It is particularly well
suited for battery back-up nonvolatile memory
application.
The UT62256 operates from a single 5V
power supply and all inputs and outputs are
fully TTL compatible
PIN CONFIGURATION
OE
A11
A13
WE
A14
A12
A9
A8
Vcc
A7
A6
A5
A4
A3
I/O1
I/O2
I/O3
A14
A12
Vss
A7
A6
A5
A4
A3
A2
A1
A0
10
12
13
14
static
11
1
2
3
4
5
6
7
8
9
10
11
12
13
14
1
2
3
4
5
6
7
8
9
random
PDIP/SOP
UT62256
STSOP
UT62256
28
27
26
25
24
23
22
21
20
19
18
17
16
15
access
A13
I/O8
I/O7
I/O6
I/O5
I/O4
Vcc
A11
A10
WE
A9
OE
P80025
CE
A8
memory
28
27
26
25
24
23
22
21
20
19
18
17
16
15
A10
I/O4
I/O3
I/O8
I/O6
I/O5
I/O2
I/O1
I/O7
Vss
CE
A0
A1
A2

Related parts for UT62256SC-70LL

UT62256SC-70LL Summary of contents

Page 1

... OE V Power Supply CC V Ground SS ____________________________________________________________________________________________ UTRON TECHNOLOGY INC. 1F, No. 11, R&D Rd. II, Science-Based Industrial Park, Hsinchu, Taiwan TEL: 886-3-5777882 FAX: 886-3-5777919 32K X 8 BIT LOW POWER CMOS SRAM GENERAL DESCRIPTION The UT62256 is a 262,144-bit low power CMOS static random organized as 32,768 words by 8 bits ...

Page 2

... Supply Current Standby Power I SB Supply Current I SB1 SB1 ____________________________________________________________________________________________ UTRON TECHNOLOGY INC. 1F, No. 11, R&D Rd. II, Science-Based Industrial Park, Hsinchu, Taiwan TEL: 886-3-5777882 FAX: 886-3-5777919 32K X 8 BIT LOW POWER CMOS SRAM SYMBOL RATING V -0.5 to +7.0 SS TERM +70 ...

Page 3

... Output Active from End of Write Write to Output in High Z *These parameters are guaranteed by device characterization, but not production tested. _____________________________________________________________________________________________ UTRON TECHNOLOGY INC. 1F, No. 11, R&D Rd. II, Science-Based Industrial Park, Hsinchu, Taiwan TEL: 886-3-5777882 FAX: 886-3-5777919 32K X 8 BIT LOW POWER CMOS SRAM SYMBOL MIN ...

Page 4

... C CLZ OLZ CHZ OHZ 6. At any given temperature and voltage condition, t _____________________________________________________________________________________________ UTRON TECHNOLOGY INC. 1F, No. 11, R&D Rd. II, Science-Based Industrial Park, Hsinchu, Taiwan TEL: 886-3-5777882 FAX: 886-3-5777919 32K X 8 BIT LOW POWER CMOS SRAM (1,2, ...

Page 5

... CE LOW outputs remain in a high impedance state and t are specified with WHZ _____________________________________________________________________________________________ UTRON TECHNOLOGY INC. 1F, No. 11, R&D Rd. II, Science-Based Industrial Park, Hsinchu, Taiwan TEL: 886-3-5777882 FAX: 886-3-5777919 32K X 8 BIT LOW POWER CMOS SRAM (1,2,3, ...

Page 6

... Those parameters are limited for temperature below 40 ℃ DATA RETENTION WAVEFORM V CC 4.5V t CDR _____________________________________________________________________________________________ UTRON TECHNOLOGY INC. 1F, No. 11, R&D Rd. II, Science-Based Industrial Park, Hsinchu, Taiwan TEL: 886-3-5777882 FAX: 886-3-5777919 32K X 8 BIT LOW POWER CMOS SRAM MIN. TYP. MAX. UNIT 2.0 CE ≧ V -0.2V CC Vcc=3V ...

Page 7

... Θ _____________________________________________________________________________________________ UTRON TECHNOLOGY INC. 1F, No. 11, R&D Rd. II, Science-Based Industrial Park, Hsinchu, Taiwan TEL: 886-3-5777882 FAX: 886-3-5777919 32K X 8 BIT LOW POWER CMOS SRAM UNIT INCH(BASE) MM(REF) 0.010 (MIN) 0.254 (MIN) 0.150 ± 0.005 3.810 ± ...

Page 8

... Θ _____________________________________________________________________________________________ UTRON TECHNOLOGY INC. 1F, No. 11, R&D Rd. II, Science-Based Industrial Park, Hsinchu, Taiwan TEL: 886-3-5777882 FAX: 886-3-5777919 32K X 8 BIT LOW POWER CMOS SRAM UNIT INCH(BASE) MM(REF) 0.120 (MAX) 3.048 (MAX) 0.002(MIN) 0.05(MIN) 0.098 ± ...

Page 9

... E dimension is not including end flash the total of both sides’ end flash is not above 0.3mm. _____________________________________________________________________________________________ UTRON TECHNOLOGY INC. 1F, No. 11, R&D Rd. II, Science-Based Industrial Park, Hsinchu, Taiwan TEL: 886-3-5777882 FAX: 886-3-5777919 32K X 8 BIT LOW POWER CMOS SRAM ...

Page 10

... ACCESS TIME (ns) UT62256PC-70 UT62256PC-70L UT62256PC-70LL UT62256SC-35 UT62256SC-35L UT62256SC-35LL UT62256SC-70 UT62256SC-70L UT62256SC-70LL UT62256LS-35L UT62256LS-35LL UT62256LS-70L UT62256LS-70LL _____________________________________________________________________________________________ UTRON TECHNOLOGY INC. 1F, No. 11, R&D Rd. II, Science-Based Industrial Park, Hsinchu, Taiwan TEL: 886-3-5777882 FAX: 886-3-5777919 32K X 8 BIT LOW POWER CMOS SRAM STANDBY CURRENT (µ ...

Page 11

... REVISION REV. 1.0 Original. REV 1.1 The value of symbol “E” is revised as 0.35 inch. REV. 1.2 Combine version_UT62256(normal) and version_UT62256SC-35 into version_UT62256 REV. 1.4 1. The pin configurations’ name of TSOP-1 is revised as STSOP. 2. The data retention waveform, CE ≧ V REV. 1.5 Add data retention current for temperature below 40 ℃ . ...

Page 12

... UTRON Rev. 1.5 THIS PAGE IS LEFT BLANK INTENTIONALLY. _____________________________________________________________________________________________ UTRON TECHNOLOGY INC. 1F, No. 11, R&D Rd. II, Science-Based Industrial Park, Hsinchu, Taiwan TEL: 886-3-5777882 FAX: 886-3-5777919 32K X 8 BIT LOW POWER CMOS SRAM 12 UT62256 P80025 ...

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