IS41LV16257A - Integrated Silicon Solution

IS41LV16257A 256K x 16 (4-MBIT) DYNAMIC RAM

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. The Byte Write control, of upper and lower byte, makes these devices ideal for use in 16- and 32-bit wide data bus systems..

Features

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• 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 .