参数资料
型号: HY5PS1G421LM
厂商: Hynix Semiconductor Inc.
英文描述: 1Gb DDR2 SDRAM(DDP)
中文描述: 1G DDR2内存(铂)
文件页数: 5/79页
文件大小: 1109K
代理商: HY5PS1G421LM
Rev. 0.2 / Oct. 2005
5
1
HY5PS12421(L)M
HY5PS12821(L)M
1.1 Device Features & Ordering Information
1.1.1 Key Features
Dual Die Package( 512Mb DDR2 * 2)
VDD, VDDQ=1.8V +/- 0.1V
All inputs and outputs are compatible with SSTL_18 interface
Fully differential clock inputs (CK, /CK) operation
Double data rate interface
Source synchronous-data transaction aligned to bidirectional data strobe (DQS, DQS)
Differential Data Strobe (DQS, DQS)
Data outputs on DQS, DQS edges when read (edged DQ)
Data inputs on DQS centers when write(centered DQ)
On chip DLL align DQ, DQS and DQS transition with CK transition
DM mask write data-in at the both rising and falling edges of the data strobe
All addresses and control inputs except data, data strobes and data masks latched on the rising
edges of the clock
Programmable CAS latency 3, 4, 5 supported
Programmable additive latency 0, 1, 2, 3, 4 supported
Programmable burst length 4/8 with both nibble sequential and interleave mode
Internal 4bank operations with single pulsed RAS
Auto refresh and self refresh supported
tRAS lockout supported
8K refresh cycles /64ms
JEDEC standard 60ball FBGA(x4/x8)
Full strength driver option controlled by EMRS
On Die Termination supported
Off Chip Driver Impedance Adjustment supported
Read Data Strobe supported (x8 only)
Self-Refresh High Temperature Entry
Ordering Information
Part No.
Configuration
Package
HY5PS1G421(L)M-X*
256Mx4
63Ball
HY5PS1G821(L)M-X*
128Mx8
Operating Frequency
Grade
tCK(ns)
CL
tRCD
tRP
Unit
-E3
5
3
3
3
Clk
-C4
3.75
4
4
4
Clk
Note:
-X* is the speed bin, refer to the Operation
Frequency table for complete Part No.
1. Description
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