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IS42S32200-7T PDF Datasheet ( 特性, スペック, ピン接続図 )

部品番号 IS42S32200-7T
部品説明 512K Bits x 32 Bits x 4 Banks (64-MBIT) SYNCHRONOUS DYNAMIC RAM
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IS42S32200-7T Datasheet, IS42S32200-7T PDF,ピン配置, 機能
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
CS
Clock Enable
Chip Select
RAS
Row Address Strobe Command
CAS
WE
Column Address Strobe Command
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
I/O0
VCCQ
I/O1
I/O2
GNDQ
I/O3
I/O4
VCCQ
I/O5
I/O6
GNDQ
I/O7
NC
VCC
DQM0
WE
CAS
RAS
CS
NC
BA0
BA1
A10/AP
A0
A1
A2
DQM2
VCC
NC
I/O16
GNDQ
I/O17
I/O18
VCCQ
I/O19
I/O20
GNDQ
I/O21
I/O22
VCCQ
I/O23
VCC
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
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
PRELIMINARY INFORMATION Rev. 00B
08/14/03
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