Et r on Tech
EM565161
512K x 16 Low Power SRAM
Preliminary, Rev 0.9 01/2002
Features
Pin Assignment
48-Ball BGA (CSP), Top View
Single Power Supply Voltage, 2.3 ~ 3.6 V
•
•
Power Down Features Using CE1#, CE2, LB# and
UB#
1
2
3
4
5
6
A
B
C
D
E
F
L B #
O E #
A 0
A 1
A 2
C E 2
Low Power Dissipation
•
•
•
•
•
Data retention Supply Voltage: 1.0V to 3.6V
Direct TTL Compatibility for All Input and Output
Wide Operating Temperature Range: -40°C to 85°C
Standby current (maximum) @ VDD = 3.6 V
D Q 8
D Q 9
G N D
V D D
D Q 14
D Q 15
A 1 8
U B #
D Q 10
D Q 11
D Q 12
D Q 13
N C
A 3
A 5
A 4
A 6
C E 1 #
D Q 1
D Q 3
D Q 4
D Q 5
W E #
A 1 1
D Q 0
D Q 2
V D D
G N D
D Q 6
D Q 7
N C
I
DDS2
A 1 7
A 7
Part Number
Typical
2 µA
Maximum
EM565161BA/BJ-55
35 µA
25 µA
80 µA
A 1 6
A 1 5
A 1 3
A 1 0
G N D
A 1 4
A 1 2
A 9
EM565161BA/BJ-70
2 µA
EM565161BA/BJ-55E/70E
14 µA
Ordering Information
G
H
Part Number
Speed IDDS2
Package
6x9 BGA
8x10 BGA
8x10 BGA
6x9 BGA
8x10 BGA
8x10 BGA
EM565161BJ-70
EM565161BA-70
EM565161BA-70E
EM565161BJ-55
EM565161BA-55
EM565161BA-55E
70 ns
70 ns
70 ns
55 ns
55 ns
55 ns
25 µA
25 µA
80 µA
35 µA
35 µA
80 µA
A 8
Pin Names
Symbol
A0 – A18
DQ0-DQ15
CE1#,CE2
OE#
Function
Address Inputs
Data Inputs/Outputs
Chip Enable Input
Output Enable
WE#
LB#,UB#
GND
Read/Write Control Input
Data Byte Control Inputs
Ground
V
DD
Power Supply
NC
No Connection
Overview
The EM565161 is an 8M-bit SRAM organized as 512K words by 16 bits. It is designed with advanced CMOS
technology. This Device operates from a single power supply. Advanced circuit technology provides both high
speed and low power. It is automatically placed in low-power mode when CE1# or both UB# and LB# are
asserted high or CE2 is asserted low. There are three control inputs. CE1# and CE2 are used to select the
device and for data retention control, and output enable (OE#) provides fast memory access. Data byte control
pin (LB#,UB#) provides lower and upper byte access. This device is well suited to various microprocessor
system applications where high speed, low power and battery backup are required. And, with a guaranteed
operating range from –40°C to 85°C, the EM565161 can be used in environments exhibiting extreme
temperature conditions.
Etron Technology, Inc.
No. 6, Technology Rd. V, Science-Based Industrial Park, Hsinchu, Taiwan 30077, R.O.C.
TEL: (886)-3-5782345
FAX: (886)-3-5778671
Etron Technology, Inc., reserves the right to make changes to its products and specifications without notice.