42S32200 Datasheet, PDF (1/55 Pages) Integrated Silicon Solution, Inc – 512K Bits x 32 Bits x 4 Banks (64-MBIT) SYNCHRONOUS DYNAMIC RAM

IS42S32200
512K Bits x 32 Bits x 4 Banks (64-MBIT)
SYNCHRONOUS DYNAMIC RAM
ISSI^®
PRELIMINARY INFORMATION
August 2003
FEATURES
• Clock frequency: 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
• Industrial temperature availability
• Package 400-mil 86-pin TSOP II
PIN DESCRIPTIONS
A0-A10
Address Input
BA0, BA1
Bank Select Address
I/O0 to I/O31 Data I/O
CLK
System Clock Input
CKE
Clock Enable
CS
Chip Select
RAS
Row Address Strobe Command
CAS
Column Address Strobe Command
WE
Write Enable
DQM0 to DQM3 Input/Output Mask
OVERVIEW
ISSI's 64Mb Synchronous DRAM IS42S32200 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.
PIN CONFIGURATION
(86-Pin TSOP (Type II)
VCC 1
I/O0 2
VCCQ 3
I/O1 4
I/O2 5
GNDQ 6
I/O3 7
I/O4 8
VCCQ 9
I/O5 10
I/O6 11
GNDQ 12
I/O7 13
NC 14
VCC 15
DQM0 16
WE 17
CAS 18
RAS 19
CS 20
NC 21
BA0 22
BA1 23
A10/AP 24
A0 25
A1 26
A2 27
DQM2 28
VCC 29
NC 30
I/O16 31
GNDQ 32
I/O17 33
I/O18 34
VCCQ 35
I/O19 36
I/O20 37
GNDQ 38
I/O21 39
I/O22 40
VCCQ 41
I/O23 42
VCC 43
86
GND
85
I/O15
84
GNDQ
83
I/O14
82
I/O13
81
VCCQ
80
I/O12
79
I/O11
78
GNDQ
77
I/O10
76
I/O9
75
VCCQ
74
I/O8
73
NC
72
GND
71
DQM1
70
NC
69
NC
68
CLK
67
CKE
66
A9
65
A8
64
A7
63
A6
62
A5
61
A4
60
A3
59
DQM3
58
GND
57
NC
56
I/O31
55
VCCQ
54
I/O30
53
I/O29
52
GNDQ
51
I/O28
50
I/O27
49
VCCQ
48
I/O26
47
I/O25
46
GNDQ
45
I/O24
44
GND
Vcc
GND
VccQ
GNDQ
NC
Power
Ground
Power Supply for I/O Pin
Ground for I/O Pin
No Connection
Copyright © 2003 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. — 1-800-379-4774
1
PRELIMINARY INFORMATION Rev. 00B
08/14/03