MSM514223B - OKI electronic componets

MSM514223B DRAM / FAST PAGE MODE TYPE

E2L0031-17-Y1 ¡ Semiconductor MSM514223B ¡ Semiconductor 262,263-Word ¥ 4-Bit Field Memory This version: Jan. 1998 MSM514223B Previous version: Dec. 1996 DESCRIRTION The OKI MSM514223B is a high performance 1-Mbit, 256K ¥ 4-bit, Field Memory. It is designed for high-speed serial access applications such as HDTVs, conventional NTSC TVs, VTRs, digital movie.

Features

• Single power supply: 5 V ± 10%
• 512 Rows ¥ 512 Column ¥ 4 bits
• Fast FIFO (First-in First-out) operation
• High speed asynchronous serial access Read/Write cycle time 30 ns/40 ns/60 ns Access time 25 ns/30 ns/50 ns
• Direct cascading capability
• Write mask function (Input enable control)
• Data skipping function (Output enable control)
• Self refresh (No refresh control is required)
• Package: 18-pin 300 mil plastic DIP (DIP18-P-300-2.54-W1) (Product : MSM514223B-xxRS) xx indicates speed rank. PRODUCT FAMILY Family MSM514223B-30RS MSM514223B-40RS MSM514223B-60RS Access Time (Max.) 25 ns.