IS41C16257 IS41LV16257
256K x 16 (4-MBIT) DYNAMIC RAM WITH FAST PAGE MODE
FEATURES
• • • • • • Fast access and cycle time TTL compatible inputs and outputs Refresh Interval: 512 cycles/8 ms Refresh Mode: RAS-Only, CAS-before-RAS (CBR), and Hidden JEDEC standard pinout Single power supply: -- 5V ± 10% (IS41C16257) -- 3.
3V ± 10% (IS41LV16257) Byte Write and Byte Read operation via two CAS Industrial temperature available
ISSI
MAY 1999
®
DESCRIPTION
The ISSI IS41C16257 and the IS41LV16257 are 262,144 x 16-bit high-performance
CMOS Dynamic Random Access Memories.
Fast Page Mode allows 512 random accesses within a single row with access cycle time as short as 12 ns per 16-bit word.
The Byte Wr...