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IC41SV4105 Datasheet(PDF) 2 Page - Integrated Circuit Solution Inc

Part No. IC41SV4105
Description  1Mx4 bit Dynamic RAM with Fast Page Mode
Download  17 Pages
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Manufacturer  ICSI [Integrated Circuit Solution Inc]
Direct Link  http://www.icsi.com.tw
Logo ICSI - Integrated Circuit Solution Inc

IC41SV4105 Datasheet(HTML) 2 Page - Integrated Circuit Solution Inc

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IC41SV4105
2
Integrated Circuit Solution Inc.
DR032-0A 10/29/2001
FEATURES
• Fast Page Mode Access Cycle
• TTL compatible inputs and outputs
• Refresh Interval:
-- 1,024 cycles/16 ms
• Refresh Mode:
RAS-Only,
CAS-before-RAS (CBR), and Hidden
• JEDEC standard pinout
• Single power supply:
1.9V
− 2.4V
DESCRIPTION
The
ICSI 4105 Series is a 1,048,576 x 4-bit high-performance
CMOS Dynamic Random Access Memory. The Fast Page
Mode allows 1,024 random accesses within a single row with
access cycle time as short as 20 ns per 4-bit word.
These features make the 4105 Series ideally suited for digital
signal processing, and low power portable audio applications.
The 4105 Series is packaged in a 20-pin 300mil SOJ and a 20
pin TSOP-2
1M x 4 (4
−MBIT) DYNAMIC RAM
WITH FAST PAGE MODE
KEY TIMING PARAMETERS
Parameter
-
50
-70 -100 Unit
RAS Access Time (tRAC)
50
70
100
ns
CAS Access Time (tCAC)14
20
25
ns
Column Address Access Time (tAA)25
35
50
ns
Fast Page Mode Cycle Time (tPC)20
45
60
ns
Read/Write Cycle Time (tRC)
90
130
180
ns
ICSI reserves the right to make changes to its products at any time without notice in order to improve design and supply the best possible product. We assume no responsibility for any errors
which may appear in this publication. © Copyright 2000, Integrated Circuit Solution Inc.
PIN DESCRIPTIONS
A0-A9
Address Inputs
I/O0-3
Data Inputs/Outputs
WE
Write Enable
OE
Output Enable
RAS
Row Address Strobe
CAS
Column Address Strobe
Vcc
Power
GND
Ground
PIN CONFIGURATION
20 (26) Pin SOJ, TSOP-2
1
2
3
4
5
9
10
11
12
13
26
25
24
23
22
18
17
16
15
14
I/O0
I/O1
WE
RAS
A9
A0
A1
A2
A3
VCC
GND
I/O3
I/O2
CAS
OE
A8
A7
A6
A5
A4
Preliminary


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