memory products - Al Kossow's Bitsavers

TS27C64AQ64K (8K x 8) CMOS UV ERASABLE PROM• FAST ACCESS TIME - 150ns, 200ns, 250ns,300ns• COMPATIBLE TO HIGH SPEED MICROPRO­CESSORS ZERO WAIT STATE• 28-PIN JEDEC APPROVED PIN-OUT• LOW POWER CONSUMPTION:ACTIVE 30mA MAX.STANDBY 1MA MAX.• PROGRAMMING VOLTAGE: 12.5 V• HIGH SPEED PROGRAMMING « 1 minute)• ELECTRONIC SIGNATURE• ALSO PROPOSED IN PLASTIC PACKAGES(OTP)~N~~~U'1QDIP-28(Ceramic Buli's Eye)(Ordering Information at the end of the datasheet)PIN CONNECTIONSDESCRIPTIONThe TS27C64A is a high speed 65,536 bit UV erasableand electrically reprogrammable EPROMideally suited for applications where fast turnaroundand pattern experimentation are importantrequirements.The TS27C64A is packaged in a 28 pin dual-in-Iinepackage with transparent lid. The transparent lidallows the user to expose the chip to ultraviolet lightto erase the bit pattern. A new pattern can then bewritten into the device by following the programmingprocedure.PIN NAMESAO-AI2CEOEADDRESSCHIP. ENABLEOUTPUT ENABLE00-0 7 OUTPUTSPGMNCPROGRAMNON CONNECTEDVppVCCA12A7ASA5A4A3A2PGMNCA8A9AllOEAl0CEAO 0700 0601 0502 04Vss 03June 19881/9111