Description
A0 to A11
Address inputs
RAS Row address strobe
CAS Column address strobe
WE Write enable
I/O0 to I/O3
Input/output
OE Output enable
VCC GND
Power Ground
Selection guide
Maximum RAS access time Maximum column address access time Maximum CAS access time Maximum output enable (OE) access time Minimum read or write cycle time Minimum fast page mode cycle time Maximum operating current Maximum CMOS standby current
Symbol
tRAC tCAA tCAC tOEA tRC tPC ICC1 ICC5
AS4C4M4F0-50 AS4C4M4F1-50 50.
Features
- Organization: 4,194,304 words × 4 bits.
- High speed
- 50/60 ns RAS access time - 25/30 ns column address access time - 12/15 ns CAS access time.
- Low power consumption - Active: 908 mW max - Standby: 5.5 mW max, CMOS I/O.
- Fast page mode.
- Refresh - 4096 refresh cycles, 64 ms refresh interval for
AS4C4M4F0 - 2048 refresh cycles, 32 ms refresh interval for
AS4C4M4F1 - RAS-only or CAS-before-RAS refresh or self-refresh.
- TTL-compatible, three-stat.
