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EM641FT8T 数据表(PDF) 2 Page - Emerging Memory & Logic Solutions Inc

部件名 EM641FT8T
功能描述  512K x8 bit Low Power Full CMOS Static RAM
PDF  11 Pages
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制造商  EMLSI [Emerging Memory & Logic Solutions Inc]
网页  http://www.emlsi.com
标志 EMLSI - Emerging Memory & Logic Solutions Inc

EM641FT8T 数据表(HTML) 2 Page - Emerging Memory & Logic Solutions Inc

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EM641FT8T Series
Low Power, 512Kx8 SRAM
2
FEATURES
- Very high speed : 45ns
- Process Technology : 0.15um Full CMOS
- Organization : 512K x8
- Power Supply Voltage
=> EM641FT8T : 4.5V~5.5V
- Low Data Retention Voltage : 1.5V (MIN)
- Three state output and TTL Compatible
- Packaged product designed for 45/55/70ns
-
Package Type: 32-TSOP
EM641FT8T
512K x8 Bit Low Power CMOS Static RAM
1
I/O Circuit
Column Select
Data
Cont
Pre-charge Circuit
Memory Array
512K x 8
A1
A2
A3
A4
A5
A6
A7
A0
A8
A9
A13 A14 A15 A16 A17
WE
OE
CS
I/O0 ~ I/O7
VCC
VSS
Control Logic
A18
GENERAL DESCRIPTION
The EM641FT8T is fabricated by EMLSI’s advanced full
CMOS process technology. The families support industrial
temperature range and Chip Scale Package for user flexi-
bility of system design. The families also supports low data
retention voltage for battery back-up operation with low
data retention current.
The EM641FT8T is available in KGD, JEDEC standard 32
pin 8.0mm x 20.0mm TSOP package.
PRODUCT FAMILY
Product
Family
Operating
Temperature
Vcc Range
Speed
Power Dissipation
PKG Type
Standby
(ISB1, Typ.)
Operating
(ICC1.Max)
EM641FT8T-45LF
Industrial (-40 ~ 85oC)
4.5V~5.5V
45ns
1.5
µA
7mA
32-TSOP
EM641FT8T-55LF
Industrial (-40 ~ 85oC)
4.5V~5.5V
55ns
1.5
µA
7mA
32-TSOP
EM641FT8T-70LF
Industrial (-40 ~ 85oC)
4.5V~5.5V
70ns
1.5
µA
7mA
32-TSOP
FUNCTIONAL BLOCK DIAGRAM
PIN DESCRIPTION
Name
Function
Name
Function
CS
Chip select input
VCC
Power Supply
OE
Output Enable input
VSS
Ground
WE
Write Enable input
A0~A18
Address Inputs
I/O0~I/O7
Data Inputs/Outputs
2
3
4
5
6
7
8
A11
A9
9
10
11
12
13
14
15
16
A8
A13
A7
A15
I/O0
VSS
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
VCC
WE
A1
A2
A0
A3
A10
CS
I/O7
OE
A17
A4
A18
A16
A14
A12
I/O1
I/O2
I/O3
I/O4
I/O5
I/O6
A10
A12
A11
A6
A5



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