HM5257165B/HM5257805B/HM5257405B-75/A6
• Programmable CAS latency: 2/3
• Byte control by DQM : DQM (HM5257805B/HM5257405B)
: DQMU/DQML (HM5257165B)
• Refresh cycles: 8192 refresh cycles/64 ms
• 2 variations of refresh
Auto refresh
Self refresh
• Temperature range: 0 to 60°C
Ordering Information
Type No.
Frequency
CAS latency
HM5257165BTD-75*1
133 MHz
3
HM5257165BTD-A6
100 MHz
2/3
HM5257805BTD-75*1
133 MHz
3
HM5257805BTD-A6
100 MHz
2/3
HM5257405BTD-75*1
133 MHz
3
HM5257405BTD-A6
100 MHz
2/3
Notes: 1. 100 MHz operation at CAS latency = 2
Package
400-mil 54-pin plastic TSOP II (TTP-54DA)
Data Sheet E0081H10
2