IDT70V28L - Integrated Device Technology

IDT70V28L HIGH-SPEED 3.3V 64K x 16 DUAL-PORT STATIC RAM

The IDT70V28 is a high-speed 64K x 16 Dual-Port Static RAM. The IDT70V28 is designed to be used as a stand-alone 1024K-bit Dual-Port RAM or as a combination MASTER/SLAVE Dual-Port RAM for 32-bit-or-more word system. Using the IDT MASTER/SLAVE DualPort RAM approach in 32-bit or wider memory system applications results in full-speed, error-free operation witho.

Features

vailable for selected speeds .unctional Block Diagram R/WL UBL CE0L CE1L OEL LBL R/WR UBR CE0R CE1R OER LBR I/O 8-15L I/O 0-7L BUSYL (1,2) A15L A0L 64Kx16 MEMORY ARRAY 70V28 16 16 I/O8-15R I/O Control I/O Control I/O0-7R BUSYR A15R A0R (1,2) Address Decoder Address Decoder CE0L CE1L OEL R/WL SEML ARBITRATION INTERRUPT SEMAPHORE LOGIC CE0R CE1R OER R/WR SEMR (2) INTR 4849 drw 01 M/S NOTES: 1. BUSY is an input as a Slave (M/S=VIL) and an output when it is a Master (M/S=VIH). 2. BUSY and INT are non-tri-state totem-pole outputs (push-pull). INT L (2) (1) JANUARY 2002 DSC-4849/3 1 ©20.