CDM53128

Read-Only Memories (ROMs) _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ __ CDM53128 NC .A12 A7 A' A' A> A2 26 Voo 27 ru/CE2 2. AI3 25 A8 2. A. " All 22 QE/OE 21 AID AI 20 m/CE1 AD 10 19 07 "00 01 12 18 a. O. 02 13 I. o. Vss 15 a' " TOP VIEW TERMINAL ASSIGNMENT CMOS 16,384-Word by 8-Bit LSI Static ROM Features: Asynchronous operation Fast access time - 250 ns max. Low standby and operating power - 158Y2=2 pA typical IOPER2=10 mA max. at tcyc=1 ps; =30 mA max. at tcyc=250 ns Automatic power-down Mask-programmable chip enables and output enable TTL input and output compatIble 28-pin JEDEC standard pin out The RCA-COM53128 is a 131 ,072-bit asynchronous maskprogrammable CMOS REAO-ONL Y memory organized as 16,384 eight-bit words. The COM53128 is designed to be used with a wide range of general-purpose microprocessor systems, including the RCA COP1800 series system. Two chip-enable inputs and an output enable function are provided for memory expansio...