HM538253B/HM538254B Series
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Fast page mode capability (HM538253B)
Cycle time:
45 ns/50 ns/55 ns
Power RAM:
605 mW/578 mW/550 mW
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Hyper page mode capability (HM538254B)
Cycle time:
35 ns/40 ns/45 ns
Power RAM:
715 mW/660 mW/605 mW
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•
•
•
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Mask write mode capability
Bidirectional data transfer cycle between RAM and SAM capability
Split transfer cycle capability
Block write mode capability
Flash write mode capability
3 variations of refresh (8 ms/512 cycles)
RAS-only refresh
CAS-before-RAS refresh
Hidden refresh
•
TTL compatible
Ordering Information
Type No.
Access Time
Package
HM538253BJ-7
HM538253BJ-8
HM538253BJ-10
70 ns
80 ns
100 ns
400-mil, 40-pin plastic SOJ (CP-40D)
HM538254BJ-7
HM538254BJ-8
HM538254BJ-10
70 ns
80 ns
100 ns
HM538253BTT-7
HM538253BTT-8
HM538253BTT-10
70 ns
80 ns
100 ns
44-pin thin small outline package (TTP-44/40DA)
HM538254BTT-7
HM538254BTT-8
HM538254BTT-10
70 ns
80 ns
100 ns
Data Sheet E0163H10
2
ELPIDA [ ELPIDA MEMORY ]
