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54F189LL Scheda tecnica(PDF) 1 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Il numero della parte 54F189LL
Spiegazioni elettronici  64-Bit Random Access Memory with TRI-STATEE Outputs
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Produttore elettronici  NSC [National Semiconductor (TI)]
Homepage  http://www.national.com
Logo NSC - National Semiconductor (TI)

54F189LL Scheda tecnica(HTML) 1 Page - National Semiconductor (TI)

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TLF9493
August 1995
54F74F189 64-Bit Random Access
Memory with TRI-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 minimize
loading and are fully decoded on-chip The outputs are TRI-
STATE 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
TRI-STATE outputs for data bus applications
Y
Buffered inputs minimize loading
Y
Address decoding on-chip
Y
Diode clamped inputs minimize ringing
Y
Available in SOIC (300 mil only)
Commercial
Military
Package
Package Description
Number
74F189PC
N16E
16-Lead (0300 Wide) Molded Dual-In-Line
54F189DL (Note 2)
J16A
16-Lead Ceramic Dual-In-Line
74F189SC (Note 1)
M16A
16-Lead (0150 Wide) Molded Small Outline JEDEC
74F189SJ (Note 1)
M16D
16-Lead (0300 Wide) Molded Small Outline EIAJ
54F189FL (Note 2)
W16A
16-Lead Cerpack
54F189LL (Note 2)
E20A
20-Lead Ceramic Leadless Chip Carrier Type C
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
TLF9493 – 1
IEEEIEC
TLF9493 – 4
Pin Assignment
for DIP SOIC and Flatpak
TLF9493 – 2
Pin Assignment
for LCC
TLF9493 – 3
TRI-STATE
is a registered trademark of National Semiconductor Corporation
C1995 National Semiconductor Corporation
RRD-B30M105Printed in U S A


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