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Emerging Memory & Logic Solutions

EM643FV16FU Datasheet Preview

EM643FV16FU Datasheet

256K x16 bit Super Low Power and Low Voltage Full CMOS Static RAM

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merging Memory & Logic Solutions Inc.
Document Title
EM643FV16FU Series
Low Power, 256Kx16 SRAM
256K x16 bit Super Low Power and Low Voltage Full CMOS Static RAM
Revision History
Revision No. History
0.0 Initial Draft
www.DataShe0e.t14U.com
2’nd Draft
Add Pb-free part number
Draft Date
May 26 , 2003
February 13 , 2004
Remark
Preliminary
Emerging Memory & Logic Solutions Inc.
IT Venture Tower Eastside 11F, 78, Karac-Dong, Songpa-Ku, Seoul, Rep.of Korea Zip Code : 138-160
Tel : +82-2-2142-1759~1766 Fax : +82-2-2142-1769 / Homepage : www.emlsi.com
The attached datasheets are provided by EMLSI reserve the right to change the specifications and products. EMLSI will answer to your
questions about device. If you have any questions, please contact the EMLSI office.
1




Emerging Memory & Logic Solutions

EM643FV16FU Datasheet Preview

EM643FV16FU Datasheet

256K x16 bit Super Low Power and Low Voltage Full CMOS Static RAM

No Preview Available !

merging Memory & Logic Solutions Inc.
EM643FV16FU Series
Low Power, 256Kx16 SRAM
FEATURES
• Process Technology : 0.18µm Full CMOS
• Organization : 256K x 16 bit
• Power Supply Voltage : 2.7V ~ 3.6V
• Low Data Retention Voltage : 1.5V(Min.)
• Three state output and TTL Compatible
• Package Type : 44-TSOP2
GENERAL DESCRIPTION
The EM643FV16FU families are fabricated by EMLSI’s
advanced full CMOS process technology. The families
support industrial temperature range and Chip Scale
Package for user flexibility of system design. The fami-
lies also supports low data retention voltage for battery
back-up operation with low data retention current.
www.DataShPeeRt4OU.DcoUmCT FAMILY
Product
Family
Operating
Temperature
Vcc Range
Speed
EM643FV16FU Industrial (-40 ~ 85oC) 2.7V~3.6V
1. The parameter is measured with 30pF test load.
2. Typical values are measured at Vcc=3.3V, T A =25o C and not 100% tested.
551) /70ns
Power Dissipation
Standby
(ISB1, Typ.)
Operating
(I C C 1.Max.)
1 µA2)
3 mA
PKG Type
44-TSOP2
PIN DESCRIPTION
FUNCTIONAL BLOCK DIAGRAM
A4
A3
A2
A1
A0
CS
I/O1
I/O2
I/O3
I/O4
VCC
VSS
I/O5
I/O6
I/O7
I/O8
WE
A17
A16
A15
A14
A13
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
44 - TSOP2
44 A 5
43 A 6
42 A 7
41 OE
40 UB
39 LB
38 I/O16
37 I/O15
36 I/O14
35 I/O13
34 VSS
33 V C C
32 I/O12
31 I/O11
30 I/O10
29 I/O9
28 NC
27 A8
26 A9
25 A10
24 A 1 1
2 3 A12
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
I/O1 ~ I/O8
I/O9 ~ I/O16
Pre-charge Circuit
Memory Array
2048 x 2048
VCC
VSS
Data
Cont I/O Circuit
Data
Cont Column Select
A11 A12 A13 A14 A15 A16 A17
Name
Function
Name
Function
CS Chip select input
Vcc Power Supply
O E Output Enable input Vss Ground
WE Write Enable input
UB Upper Byte (I/O9~16)
A0~A17 Address Inputs
LB Lower Byte (I/O1~8)
I/O1~I/O16 Data Inputs/outputs NC No Connection
WE
OE
UB Control Logic
LB
CS
2


Part Number EM643FV16FU
Description 256K x16 bit Super Low Power and Low Voltage Full CMOS Static RAM
Maker Emerging Memory & Logic Solutions
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