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EM615FP8AT-85LL Datasheet(PDF) 2 Page - Emerging Memory & Logic Solutions Inc

Part # EM615FP8AT-85LL
Description  128K x16 bit Low Power and Low Voltage Full CMOS Static RAM
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Manufacturer  EMLSI [Emerging Memory & Logic Solutions Inc]
Direct Link  http://www.emlsi.com
Logo EMLSI - Emerging Memory & Logic Solutions Inc

EM615FP8AT-85LL Datasheet(HTML) 2 Page - Emerging Memory & Logic Solutions Inc

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EM621FU16BU Series
Low Power, 128Kx16 SRAM
2
128K x16 Bit Low Power and Low Voltage CMOS Static RAM
I/O Circuit
Column Select
Data
Cont
Data
Cont
Pre-charge Circuit
Memory Array
1024 x 2048
A1
A2
A3
A4
A5
A6
A7
A0
A8
A9
A10 A11 A12 A13 A14 A15 A16
WE
OE
UB
LB
CS
I/O0 ~ I/O7
I/O8 ~ I/O15
VCC
VSS
Control Logic
FEATURES
- Process Technology : 0.15mm Full CMOS
- Organization : 128K x16
- Power Supply Voltage
=> EM621FU16BU Series : 2.7V~3.3V
- Low Data Retention Voltage : 1.5V (MIN)
- Three state output and TTL Compatible
- Packaged product designed for 45/55/70ns
- Package Type: 44-TSOP2
GENERAL DESCRIPTION
The EM621FU16BU series are fabricated by EMLSI’s
advanced full CMOS process technology. The families
support industrial temperature range and Chip Scale Pack-
age for user flexibility of system design. The families also
supports low data retention voltage for battery back-up
operation with low data retention current.
The EM621FU16BU series are available in KGD, JEDEC
standard 44 pin 400 mil TSOP2 package.
PRODUCT FAMILY
Product
Family
Operating
Temperature
Vcc Range
Speed
Power Dissipation
PKG Type
Standby
(ISB1, Typ.)
Operating
(ICC1.Max)
EM621FU16BU-45LF
Industrial (-40 ~ 85oC)
2.7V~3.3V
45ns
1
µA
3mA
44-TSOP2
EM621FU16BU-55LF
Industrial (-40 ~ 85oC)
2.7V~3.3V
55ns
1
µA
3mA
44-TSOP2
EM621FU16BU-70LF
Industrial (-40 ~ 85oC)
2.7V~3.3V
70ns
1
µA
3mA
44-TSOP2
Name
Function
Name
Function
CS
Chip select inputs
Vcc
Power Supply
OE
Output Enable input
Vss
Ground
WE
Write Enable input
UB
Upper Byte (I/O8~15)
A0~A16
Address Inputs
LB
Lower Byte (I/O0~7)
I/O0~I/O15
Data Inputs/Outputs
NC
No Connection
FUNCTIONAL BLOCK DIAGRAM
PIN DESCRIPTION
1
2
3
4
5
6
7
8
A4
A3
9
10
11
12
13
14
15
16
A2
A1
WE
A15
VSS
A11
A16
A14
A12
A7
NC
A5
32
31
30
29
28
27
26
25
23
22
21
20
19
18
17
OE
CS
A10
A8
A9
I/O 7
I/O 6
I/O 5
VCC
I/O 3
I/O 2
I/O 1
I/O 0
I/O 4
A0
A13
24
33
34
35
36
37
38
39
40
41
42
43
44
NC
I/O 8
I/O 9
I/O 10
I/O 11
VCC
VSS
I/O 12
I/O 13
I/O 14
I/O 15
LB
UB
A6


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