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| 型號： | IS42G32256-7PQ |
| 廠商： | INTEGRATED SILICON SOLUTION INC |
| 元件分類： | DRAM |
| 英文描述： | POT 10K OHM 9MM VERT NO BUSHING |
| 中文描述： | 512K X 32 SYNCHRONOUS GRAPHICS RAM, 6 ns, PQFP100 |
| 封裝： | 14 X 20 MM , PLASTIC, QFP-100 |
| 文件頁數(shù)： | 1/52頁 |
| 文件大?。?/td> | 456K |
| 代理商： | IS42G32256-7PQ |
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IS42G32256
IS42G32256
256K x 32 x 2 (16-Mbit)
SYNCHRONOUS GRAPHICS RAM
Integrated Silicon Solution, Inc.
ADVANCE INFORMATION
SR037-0C
09/10/98
1
This document contains ADVANCE INFORMATION data. ISSI 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 1998, Integrated Silicon Solution, Inc.
FEATURES
256,144 words x 32 bits x 2-bank organization
All inputs are sampled at the positive going
edge of the system clock
Dual internal bank control
Single 3.3V
±
3V power supply
Programmable mode register
– Burst length (1, 2, 4, 8, and full page)
– CAS latency (2 and 3)
– Burst type: Sequential and Interleave
Burst Read single-bit Write Operation
Refresh capability
– Auto, self-refresh
2,048 refresh cycles/32 ms
LVTTL compatible inputs and outputs
100-pin PQFP
(14mm x 20mm)
DESCRIPTION
The ISSI IS42G32256 is a high-speed 16-Mbit CMOS
Synchronous Graphics RAM organized as 256K words x
32 bits x 2 banks. With SGRAM, all input and output
signals are synchronized with the rising edge of the
system clock. Programmable Mode Register and
Special Registers provide a choice of Read or Write burst
lengths of 1, 2, 4, or 8 locations or a Full Page with burst
termination options. The SGRAM performance is
enhanced with the Write-per-bit (WPB) and eight columns
of Block Write functions.
The IS42G32256 is ideal for high-performance, high-
bandwidth applications including workstation graphics,
set top box, games, and PC-2D/3D graphic applications.
ADVANCE INFORMATION
SEPTEMBER 1998
Table 1. Key Timing Parameters
Symbol
t
CK
Parameter
Clock Cycle Time
Access Time @ CL = 3
Operating Frequency
-7
7
6
143
-8
8
6.5
125
-10
10
7
100
Units
ns
ns
MHz
GRAPHIC FEATURES
SMRS cycle
– Load mask register
– Load color register
Write per bit (old mask)
Block write (eight columns)
ISSI
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| IS42G32256-8PQ | 256K x 32 x 2 (16-Mbit) SYNCHRONOUS GRAPHICS RAM |
| IS42G32256 | 256K x 32 x 2 (16-Mbit) SYNCHRONOUS GRAPHICS RAM |
| IS42S16100C1 | 512K Words x 16 Bits x 2 Banks (16-MBIT) SYNCHRONOUS DYNAMIC RAM |
| IS42S16100C1-5T | 512K Words x 16 Bits x 2 Banks (16-MBIT) SYNCHRONOUS DYNAMIC RAM |
| IS42S16100C1-5TL | 512K Words x 16 Bits x 2 Banks (16-MBIT) SYNCHRONOUS DYNAMIC RAM |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| IS42G32256-8PQ | 制造商:Integrated Silicon Solution Inc 功能描述: |
| IS42K | 制造商:IDEC Corporation 功能描述:SENS.IND. 10-30VDC NPN NC |
| IS42KS | 制造商:IDEC Corporation 功能描述:SENS.IND. 10-30VDC NPN NC |
| IS42L | 制造商:IDEC Corporation 功能描述:SENS.IND. 10-30VDC NPN NC |
| IS42LS16800A | 制造商:ICSI 制造商全稱:Integrated Circuit Solution Inc 功能描述:16Meg x 8, 8Meg x16 & 4Meg x 32 128-MBIT SYNCHRONOUS DRAM |
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