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PDF 74F189A Data sheet ( Hoja de datos )
| Número de pieza | 74F189A | |
| Descripción | 64-bit TTL bipolar RAM / inverting 3-State | |
| Fabricantes | Philips | |
| Logotipo |  |
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April 1988
Revised July 1999
74F189
64-Bit Random Access Memory with 3-STATE Outputs
General Description
The F189 is a high-speed 64-bit RAM organized as a 16-
word by 4-bit array. Address inputs are buffered to mini-
mize loading and are fully decoded on-chip. The outputs
are 3-STATE and are in the high impedance state when-
ever 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
s 3-STATE outputs for data bus applications
s Buffered inputs minimize loading
s Address decoding on-chip
s Diode clamped inputs minimize ringing
Ordering Code:
Order Number Package Number
Package Description
74F189SC
M16B
16-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300” Wide
74F189SJ
M16D
16-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide
74F189PC
N16E
16-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300” Wide
Devices also available in Tape and Reel. Specify by appending suffix “X” to the ordering code.
Logic Symbols
Connection Diagram
IEEE/IEC
© 1999 Fairchild Semiconductor Corporation DS009493
www.fairchildsemi.com
1 page  
Physical Dimensions inches (millimeters) unless otherwise noted
16-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS013, 0.300” Wide Body
Package Number M16B
16-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-OO1, 0.300” Wide
Package Number N16E
5 www.fairchildsemi.com
5 Page | ||
| Páginas | Total 6 Páginas | |
| PDF Descargar | [ Datasheet 74F189A.PDF ] | |
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