IS42S32200B Datasheet, PDF (1/56 Pages) Integrated Silicon Solution, Inc – 512K Bits x 32 Bits x 4 Banks (64-MBIT) SYNCHRONOUS DYNAMIC RAM

IS42S32200B
512K Bits x 32 Bits x 4 Banks (64-MBIT)
SYNCHRONOUS DYNAMIC RAM
ISSI^®
PRELIMINARY INFORMATION
September 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
• Lead free package is available
PIN DESCRIPTIONS
A0-A10
Address Input
BA0, BA1
Bank Select Address
DQ0 to DQ31 Data I/O
CLK
System Clock Input
CKE
CS
RAS
Clock Enable
Chip Select
Row Address Strobe Command
CAS
WE
Column Address Strobe Command
Write Enable
DQM0 to DQM3 Input/Output Mask
OVERVIEW
ISSI's 64Mb Synchronous DRAM IS42S32200B 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)
VDD
1
DQ0 2
VDDQ
3
DQ1 4
DQ2 5
GNDQ 6
DQ3 7
DQ4 8
VDDQ
9
DQ5 10
DQ6 11
GNDQ 12
DQ7 13
NC 14
VDD
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
VDD
29
NC 30
DQ16 31
GNDQ 32
DQ17 33
DQ18 34
VDDQ
35
DQ19 36
DQ20 37
GNDQ 38
DQ21 39
DQ22 40
VDDQ
41
DQ23 42
VDD
43
86
GND
85
DQ15
84
GNDQ
83
DQ14
82
DQ13
81
VDDQ
80
DQ12
79
DQ11
78
GNDQ
77
DQ10
76
DQ9
75
VDDQ
74
DQ8
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
DQ31
55
VDDQ
54
DQ30
53
DQ29
52
GNDQ
51
DQ28
50
DQ27
49
VDDQ
48
DQ26
47
DQ25
46
GNDQ
45
DQ24
44
GND
VDD
GND
VDDQ
GNDQ
NC
Power
Ground
Power Supply for DQ Pin
Ground for DQ 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. — www.issi.com — 1-800-379-4774
1
Rev. 00C
09/29/03