IS42S32200C1
512K Bits x 32 Bits x 4 Banks (64-MBIT)
SYNCHRONOUS DYNAMIC RAM
FEATURES
• Clock frequency: 183, 166, 143 MHz
• Fully synchronous; all signals referenced to a
positive clock edge
• Internal bank for hiding row access/precharge
• Single 3.3V power supply
• LVTTL interface
• Programmable burst length:
(1, 2, 4, 8, full page)
• Programmable burst sequence:
Sequential/Interleave
• Self refresh modes
• 4096 refresh cycles every 64 ms
• Random column address every clock cycle
• Programmable
CAS
latency (2, 3 clocks)
• Burst read/write and burst read/single write
operations capability
• Burst termination by burst stop and precharge
command
• Available in Industrial temperature grade
• Available in 400-mil 86-pin TSOP II and 90-ball
BGA
• Available in Lead free
ISSI
®
PRELIMINARY INFORMATION
MAY 2006
OVERVIEW
ISSI
's 64Mb Synchronous DRAM IS42S32200C1 is
organized as 524,288 bits x 32-bit x 4-bank for improved
performance. The synchronous DRAMs achieve high-
speed data transfer using pipeline architecture. All inputs
and outputs signals refer to the rising edge of the clock
input.
KEY TIMING PARAMETERS
Parameter
Clk Cycle Time
CAS
Latency = 3
CAS
Latency = 2
Clk Frequency
CAS
Latency = 3
CAS
Latency = 2
Access Time from Clock
CAS
Latency = 3
CAS
Latency = 2
-55
5.5
10
183
100
5
7.5
-6
6
10
166
100
5.5
7.5
-7
7
10
143
100
5.5
8
Unit
ns
ns
Mhz
Mhz
ns
ns
Copyright © 2006 Integrated Silicon Solution, Inc. All rights reserved. ISSI reserves the right to make changes to this specification and its products at any time
without notice. ISSI assumes no liability arising out of the application or use of any information, products or services described herein. Customers are advised to
obtain the latest version of this device specification before relying on any published information and before placing orders for products.
Integrated Silicon Solution, Inc. — www.issi.com —
1-800-379-4774
Rev. 00E
05/18/06
1
ISSI [ INTEGRATED SILICON SOLUTION, INC ]
