DESCRIPTION

The ISSI 4400 Series is a 4,194,304 x 4-bit high-performance CMOS Dynamic Random Access Memory. These devices offer an accelerated cycle access called EDO Page Mode. EDO Page Mode allows 2,048 or 4096 random accesses within a single row with access cycle time as short as 20 ns per 4-bit word.

FEATURES

• Extended Data-Out (EDO) Page Mode access cycle

• TTL compatible inputs and outputs

• Refresh Interval:

– 2,048 cycles/32 ms

– 4,096 cycles/64 ms

• Refresh Mode: RAS-Only, CAS-before-RAS (CBR), and Hidden

• Single power supply:

– 5V±10 or 3.3V ± 10

• Byte Write and Byte Read operation via two CAS

• Industrial temperature range -40°C to 85°C