74F190

54F 74F189 64-Bit Random Access Memory with TRI-STATE Outputs August 1995 54F 74F189 64-Bit Random Access Memory with TRI-STATE Outputs General Description The ’F189 is a high-speed 64-bit RAM organized as a 16word by 4-bit array Address inputs are buffered to minimize loading and are fully decoded on-chip The outputs are TRISTATE and are in the high impedance state whenever the Chip Select (CS) input is HIGH The outputs are active only in the Read mode and the output data is the complement of the stored data Features Y Y Y Y Y TRI-STATE outputs for data bus applications Buffered inputs minimize loading Address decoding on-chip Diode clamped inputs minimize ringing Available in SOIC (300 mil only) Commercial 74F189PC Military Package Number N16E Package Description 16-Lead (0 300 Wide) Molded Dual-In-Line 16-Lead Ceramic Dual-In-Line 16-Lead (0 150 Wide) Molded Small Outline JEDEC 16-Lead (0 300 Wide) Molded Small Outline EIAJ 16-Lead Cerpack 20-Lead Ceramic Leadless Chip Carrier Type C 54F189DL (Note 2) 74F189SC (Note 1) 74F189SJ (Note 1) 54F189FL (Note 2) 54F189LL (Note 2) J16A M16A M16D W16A E20A Note 1 Devices also available in 13 reel Use suffix e SCX and SJX Note 2 Military grade device with environmental and burn-in processing Use suffix e DLQB FLQB and LLQB Logic Symbols Connection Diagrams Pin Assignment for DIP SOIC and Flatpak Pin Assignment for LCC TL F 9493–1 IEEE IEC TL F 9493 – 2 TL F 9493 – 3 TL F 9493–4 TRI-STATE is a registered trademark of...