參數(shù)資料
型號: HM5212805F
廠商: Hitachi,Ltd.
英文描述: 128M LVTTL interface SDRAM(128M LVTTL 接口同步DRAM)
中文描述: 128M的LVTTL接口的SDRAM(128M的LVTTL接口同步的DRAM)
文件頁數(shù): 1/63頁
文件大?。?/td> 858K
代理商: HM5212805F
HM5212165F-75/A60/B60
HM5212805F-75/A60/B60
128M LVTTL interface SDRAM
133 MHz/100 MHz
2-Mword
×
16-bit
×
4-bank/4-Mword
×
8-bit
×
4-bank
PC/133, PC/100 SDRAM
ADE-203-1048A (Z)
Rev. 1.0
Jan. 31, 2000
Description
The Hitachi HM5212165F is a 128-Mbit SDRAM organized as 2097152-word
×
16-bit
×
4-bank. The
Hitachi HM5212805F is a 128-Mbit SDRAM organized as 4194304-word
×
8-bit
×
4-bank. All inputs and
outputs are referred to the rising edge of the clock input. It is packaged in standard 54-pin plastic TSOP II.
Features
3.3 V power supply
Clock frequency: 133 MHz/100 MHz (max)
LVTTL interface
Single pulsed
RAS
4 banks can operate simultaneously and independently
Burst read/write operation and burst read/single write operation capability
Programmable burst length: 1/2/4/8/full page
2 variations of burst sequence
Sequential (BL = 1/2/4/8/full page)
Interleave (BL = 1/2/4/8)
Programmable
CAS
latency: 2/3
Byte control by DQM : DQM (HM5212805F)
: DQMU/DQML (HM5212165F)
Refresh cycles: 4096 refresh cycles/64 ms
相關(guān)PDF資料
PDF描述
HM5212165F 128M LVTTL interface SDRAM(128M LVTTL 接口同步DRAM)
HM5225165BTT-75 256M LVTTL interface SDRAM 133 MHz/100 MHz 4-Mword 】 16-bit 】 4-bank/8-Mword 】 8-bit 】 4-bank /16-Mword 】 4-bit 】 4-bank PC/133, PC/100 SDRAM
HM5225805BLTT-A6 256M LVTTL interface SDRAM 133 MHz/100 MHz 4-Mword 】 16-bit 】 4-bank/8-Mword 】 8-bit 】 4-bank /16-Mword 】 4-bit 】 4-bank PC/133, PC/100 SDRAM
HM5225405B-B6 256M LVTTL interface SDRAM 133 MHz/100 MHz 4-Mword 】 16-bit 】 4-bank/8-Mword 】 8-bit 】 4-bank /16-Mword 】 4-bit 】 4-bank PC/133, PC/100 SDRAM
HM5225405BLTT-75 POT 20K OHM 9MM HORZ NO BUSHING
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
HM5212805FLTD-75 制造商:ELPIDA 制造商全稱:Elpida Memory 功能描述:128M LVTTL interface SDRAM 133 MHz/100 MHz 2-Mword × 16-bit × 4-bank/4-Mword × 8-bit × 4-bank PC/133, PC/100 SDRAM
HM5212805FLTD-A60 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:128M LVTTL interface SDRAM 133 MHz/100 MHz 2-Mword X 16-bit X 4-bank/4-Mword X 8-bit X 4-bank PC/133, PC/100 SDRAM
HM5212805FLTD-B60 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:128M LVTTL interface SDRAM 133 MHz/100 MHz 2-Mword X 16-bit X 4-bank/4-Mword X 8-bit X 4-bank PC/133, PC/100 SDRAM
HM5212805FTD-75 制造商:ELPIDA 制造商全稱:Elpida Memory 功能描述:128M LVTTL interface SDRAM 133 MHz/100 MHz 2-Mword × 16-bit × 4-bank/4-Mword × 8-bit × 4-bank PC/133, PC/100 SDRAM
HM5212805FTD-A60 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:128M LVTTL interface SDRAM 133 MHz/100 MHz 2-Mword X 16-bit X 4-bank/4-Mword X 8-bit X 4-bank PC/133, PC/100 SDRAM