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參數(shù)資料
| 型號： | HY57V658021TC-10 |
| 英文描述： | x8 SDRAM |
| 中文描述： | x8 SDRAM內(nèi)存 |
| 文件頁數(shù)： | 1/13頁 |
| 文件大小： | 61K |
| 代理商： | HY57V658021TC-10 |
HY57V281620A
4 Banks x 2M x 16bits Synchronous DRAM
This document is a general product description and is subject to change without notice. Hynix does not assume any responsibility for use of circuits de-
scribed. No patent licenses are implied.
Rev. 1.3/Aug. 01
DESCRIPTION
The Hynix HY57V281620A is a 134,217,728bit CMOS Synchronous DRAM, ideally suited for the main memory applications which
require large memory density and high bandwidth. HY57V281620A is organized as 4banks of 2,097,152x16
HY57V281620A is offering fully synchronous operation referenced to a positive edge of the clock. All inputs and outputs are synchro-
nized with the rising edge of the clock input. The data paths are internally pipelined to achieve very high bandwidth. All input and output
voltage levels are compatible with LVTTL.
Programmable options include the length of pipeline (Read latency of 2 or 3), the number of consecutive read or write cycles initiated
by a single control command (Burst length of 1,2,4,8, or full page), and the burst count sequence(sequential or interleave). A burst of
read or write cycles in progress can be terminated by a burst terminate command or can be interrupted and replaced by a new burst
read or write command on any cycle. (This pipelined design is not restricted by a `2N` rule.)
FEATURES
Single 3.3
±
0.3V power supply
All device pins are compatible with LVTTL interface
JEDEC standard 400mil 54pin TSOP-II with 0.8mm
of pin pitch
All inputs and outputs referenced to positive edge of
system clock
Data mask function by UDQM or LDQM
Internal four banks operation
Auto refresh and self refresh
4096 refresh cycles / 64ms
Programmable Burst Length and Burst Type
- 1, 2, 4, 8 or Full page for Sequential Burst
- 1, 2, 4 or 8 for Interleave Burst
Programmable CAS Latency ; 2, 3 Clocks
ORDERING INFORMATION
Part No.
Clock Frequency
Power
Organization
Interface
Package
HY57V281620AT-6
166MHz
Normal
4Banks x 2Mbits
x16
LVTTL
400mil 54pin TSOP II
HY57V281620AT-7
143MHz
HY57V281620AT-K
133MHz
HY57V281620AT-H
133MHz
HY57V281620AT-8
125MHz
HY57V281620AT-P
100MHz
HY57V281620AT-S
100MHz
HY57V281620ALT-6
166MHz
Low power
HY57V281620ALT-7
143MHz
HY57V281620ALT-K
133MHz
HY57V281620ALT-H
133MHz
HY57V281620ALT-8
125MHz
HY57V281620ALT-P
100MHz
HY57V281620ALT-S
100MHz
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