HM5264805F-B60

HM5264165F-75/A60/B60 HM5264805F-75/A60/B60 HM5264405F-75/A60/B60 64M LVTTL interface SDRAM 133 MHz/100 MHz 1-Mword × 16-bit × 4-bank/2-Mword × 8-bit × 4-bank /4-Mword × 4-bit × 4-bank PC/133, PC/100 SDRAM ADE-203-940B (Z) Rev. 1.0 Nov. 10, 1999 Description The Hitachi HM5264165F is a 64-Mbit SDRAM organized as 1048576-word × 16-bit × 4 bank. The Hitachi HM5264805F is a 64-Mbit SDRAM organized as 2097152-word × 8-bit × 4 bank. The Hitachi HM5264405F is a 64-Mbit SDRAM organized as 4194304-word × 4-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) HM5264165F/HM5264805F/HM5264405F-75/A60/B60 Programmable CAS latency: 2/3 Byte control by DQM: DQM (HM5264805F/HM5264405F) DQMU/DQML (HM5264165F) Refresh cycles: 4096 refresh cycles/64 ms 2 variations of refresh  Auto refresh  Self refresh Full page burst length capability  Sequential burst  Burst stop capability Ordering Information Type No. HM5264165FTT-75* HM5264165FTT-A60 HM5264165FTT-B60 *2 HM5264165FLTT-75 *1 HM5264165FLTT-A60 HM5264165FLTT-...