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IS41C16257A IS41LV16257A
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% (IS41C16257A) -- 3.3V ± 10% (IS41LV16257A) Byte Write and Byte Read operation via two CAS Lead-free available
ISSI
APRIL 2005
®
www.DataSheet4U.com
DESCRIPTION
The ISSI IS41C16257A and the IS41LV16257A 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.