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EM564081BA-85E 参数 Datasheet PDF下载

EM564081BA-85E图片预览
型号: EM564081BA-85E
PDF下载: 下载PDF文件 查看货源
内容描述: 512K ×8低功耗SRAM [512K x 8 Low Power SRAM]
分类和应用: 静态存储器
文件页数/大小: 12 页 / 291 K
品牌: ETRON [ ETRON TECHNOLOGY, INC. ]
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EtronTech
Features
Single power supply voltage of 2.3V to 3.6V
Power down features using CE1# and CE2
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 @ VDD = 3.6 V
I
DDS2
Typical
EM564081BA/BC-70/85
EM564081BA/BC-70E/85E
1
µA
5
µA
Maximum
10
µA
80
µA
E
VDD
D
GND
C
DQ5
NC
A5
A
EM564081
512K x 8 Low Power SRAM
Preliminary, Rev 0.7 01/2001
Pin Configuration
36-Ball BGA (CSP), Top View
1
2
3
4
5
6
A0
A1
CE2
A3
A6
A8
B
DQ4
A2
WE#
A4
A7
DQ0
DQ1
VDD
GND
F
DQ6
A18
A17
DQ2
Ordering Information
G
DQ7
Part Number
EM564081BC-70
EM564081BC-70E
EM564081BA-70
EM564081BA-70E
EM564081BC-85
EM564081BC-85E
EM564081BA-85
EM564081BA-85E
Speed
70 ns
70 ns
70 ns
70 ns
85 ns
85 ns
85 ns
85 ns
I
DDS2
10
µA
80
µA
10
µA
80
µA
10
µA
80
µA
10
µA
80
µA
Package
6x8 BGA
6x8 BGA
8x10 BGA
8x10 BGA
6x8 BGA
6x8 BGA
8x10 BGA
8x10 BGA
H
A9
OE#
CE1#
A16
A15
DQ3
A10
A11
A12
A13
A14
Pin Description
Symbol
A0 - A18
DQ0 – DQ7
CE1#, CE2
OE#
WE#
GND
V
DD
NC
Function
Address Inputs
Data Inputs / Outputs
Chip Enable Inputs
Output Enable
Read / Write Control Input
Ground
Power Supply
No Connection
Overview
The EM564081 is a 4,194,304-bit SRAM organized as 512K by 8 bits. It is designed with advanced CMOS
technology. This Device operates from a single 2.3V to 3.6V power supply. Advanced circuit technology
provides both high speed and low power. It is automatically placed in low-power mode when chip enable (CE1#)
is 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. 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 EM564081 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.