UT62L25616 Datasheet, PDF (1/12 Pages) List of Unclassifed Manufacturers – 256K X 16 BIT LOW POWER CMOS SRAM


Rev. 1.1
UTRON
UT62L25616(I)
256K X 16 BIT LOW POWER CMOS SRAM
FEATURES
Fast access time : 55/70/100 ns
CMOS Low operating power
Operating current: 45/35/25mA (Icc max)
Standby current: 20 uA(TYP.) L-version
3 uA(TYP.) LL-version
Single 2.7V~3.6V power supply
Operating temperature:
Industrial : -40℃~85℃
All inputs and outputs TTL compatible
Fully static operation
Three state outputs
Data retention voltage: 1.5V (min)
Data byte control : _LB (I/O1~I/O8)
UB ^(I/O9~I/O16)
Package : 44-pin 400mil TSOPⅡ
48-pin 6mm × 8mm TFBGA
FUNCTIONAL BLOCK DIAGRAM
A0
A1
A2
A3
.
A4
ROW
A8
. _DECODER
A13
.
A14
A15
A16
A17
I/O_...1
...
I/O
CONTROL
...
I/O16
CE
WE
OE
LOGIC
CONTROL
MEMORY ARRAY
2048 Rows x 128 Columns x 16 bits
. ..
COLUMN I/O
COLUMN DECODER
LB
UB
A9 A10 A11 A12 A5 A6 A7
VCC
VSS
GENERAL DESCRIPTION
The UT62L25616(I) is a 4,194,304-bit low power
CMOS static random access memory organized as
262,144 words by 16 bits.
The UT62L25616(I) operates from a single 2.7V ~
3.6V power supply and all inputs and outputs are fully
TTL compatible.
The UT62L25616(I) is designed for low power system
applications. It is particularly suited for use in
high-density high-speed system applications.
PIN DESCRIPTION
SYMBOL
A0 - A17
I/O1 - I/O16
CE
WE
OE
LB
UB
V_CC
V_SS
NC
DESCRIPTION
Address Inputs
Data Inputs/Outputs
Chip Enable Input
Write Enable Input
Output Enable Input
Lower-Byte Control
High-Byte Control
Power Supply
Ground
No Connection
UTRON TECHNOLOGY INC.
1F, No. 11, R&D Rd. II, Science-Based Industrial Park, Hsinchu, Taiwan, R. O. C.
TEL: [phone] FAX: [phone]
1
P80054