UT62256CSC-70LL ETC-unknow, UT62256CSC-70LL Datasheet

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UT62256CSC-70LL

Manufacturer Part Number
UT62256CSC-70LL
Description
Manufacturer
ETC-unknow
Datasheet

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Company
Part Number
Manufacturer
Quantity
Price
Part Number:
UT62256CSC-70LL
Manufacturer:
UTC
Quantity:
5 530
Part Number:
UT62256CSC-70LL
Manufacturer:
UTC
Quantity:
5 120
Part Number:
UT62256CSC-70LL
Manufacturer:
UT
Quantity:
20 000
Rev. 1.0
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 : 40/30 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
I/O1 - I/O8
. . .
SYMBOL
A0 - A14
DECODER
CONTROL
CONTROL
LOGIC
WE
V
V
ROW
CE
OE
I/O
CC
SS
28-pin 330 mil SOP
28-pin 8mmx13.4mm 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 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
PIN CONFIGURATION
OE
A11
A13
A14
A12
WE
Vcc
A9
A8
A7
A6
A5
A4
A3
10
12
13
14
11
1
2
3
4
5
6
7
8
9
I/O1
I/O2
I/O3
A14
A12
Vss
A7
A6
A5
A4
A3
A2
A1
A0
UT62256C
10
12
13
14
11
1
2
3
4
5
6
7
8
9
PDIP/SOP
STSOP
UT62256C
28
27
26
25
24
23
22
21
20
19
18
17
16
15
A13
A11
A10
I/O8
I/O7
I/O6
I/O5
I/O4
Vcc
WE
OE
A9
CE
A8
P80027
28
27
26
25
24
23
22
21
20
19
18
17
16
15
I/O4
I/O3
A10
I/O8
I/O6
I/O5
I/O2
I/O1
I/O7
Vss
CE
A0
A1
A2

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UT62256CSC-70LL Summary of contents

Page 1

UTRON Rev. 1.0 FEATURES 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 ...

Page 2

UTRON Rev. 1.0 ABSOLUTE MAXIMUM RATINGS* PARAMETER Terminal Voltage with Respect to V Operating Temperature Storage Temperature Power Dissipation DC Output Current Soldering Temperature (under 10 sec0 *Stresses greater than those listed under “Absolute Maximum Ratings” may cause permanent damage ...

Page 3

UTRON Rev. 1.0 CAPACITANCE (TA=25 ℃ , f=1.0MHz) PARAMETER Input Capacitance Input/Output Capacitance Note : These parameters are guaranteed by device characterization, but not production tested. AC TEST CONDITIONS Input Pulse Levels Input Rise and Fall Times Input and Output ...

Page 4

UTRON Rev. 1.0 TIMING WAVEFORMS READ CYCLE 1 (Address Controlled) Address DOUT READ CYCLE and OE Address ACE CLZ t OLZ D High-z OUT Notes ...

Page 5

UTRON Rev. 1.0 WRITE CYCLE Controlled) Address (4) D OUT D IN WRITE CYCLE Controlled) Address WHZ D OUT ( Notes : 1. ...

Page 6

UTRON Rev. 1.0 DATA RETENTION CHARACTERISTICS ( ℃ ℃ ) PARAMETER SYMBOL TEST CONDITION Vcc for Data Retention V DR Data Retention Current I DR Chip Disable to Data t CDR Retention Time Recovery Time t ...

Page 7

UTRON Rev. 1.0 PACKAGE OUTLINE DIMENSION 28 pin 600 mil PDIP PACKAGE OUTLINE DIMENSION SYMBOL Θ _____________________________________________________________________________________________ UTRON TECHNOLOGY INC. 1F, No. 11, R&D Rd. II, ...

Page 8

UTRON Rev. 1.0 28 pin 330 mil SOP PACKAGE OUTLINE DIMENSION SYMBOL Θ _____________________________________________________________________________________________ UTRON TECHNOLOGY INC. 1F, No. 11, R&D Rd. II, Science-Based ...

Page 9

UTRON Rev. 1.0 28 pin 8x13.4mm STSOP PACKAGE OUTLINE DIMENSION Note : 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, ...

Page 10

... ACCESS TIME (ns) UT62256CPC-70 UT62256CPC-70L UT62256CPC-70LL UT62256CSC-35 UT62256CSC-35L UT62256CSC-35LL UT62256CSC-70 UT62256CSC-70L UT62256CSC-70LL UT62256CLS-35L UT62256CLS-35LL UT62256CLS-70L UT62256CLS-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

UTRON Rev. 1.0 REVISION HISTORY REVISION REV. 0.9 1. Original. REV. 1.0 1. The test condition The symbols CE#,OE# and WE# are revised and WE 3. The ordering information of PACKAGE ,STSOP-1 is ...

Page 12

UTRON Rev. 1.0 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 ...

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