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)
