Dual J-K Negative-edge-triggered Flip-Flops
HD74LS112
Dual J-K Negative-edge-triggered Flip-Flops (with Preset and Clear)
REJ03D0426–0300 Rev.3.00
Jul.13.2005
Feat...
Description
HD74LS112
Dual J-K Negative-edge-triggered Flip-Flops (with Preset and Clear)
REJ03D0426–0300 Rev.3.00
Jul.13.2005
Features
Ordering Information
Part Name
Package Type
Package Code (Previous Code)
Package Abbreviation
HD74LS112P
DILP-16 pin
PRDP0016AE-B (DP-16FV)
P
HD74LS112FPEL SOP-16 pin (JEITA)
PRSP0016DH-B (FP-16DAV)
FP
HD74LS112RPEL SOP-16 pin (JEDEC)
PRSP0016DG-A (FP-16DNV)
RP
Note: Please consult the sales office for the above package availability.
Taping Abbreviation (Quantity) —
EL (2,000 pcs/reel)
EL (2,500 pcs/reel)
Pin Arrangement
1CK 1 1K 2 1J 3
1PR 4 1Q 5 1Q 6 2Q 7
GND 8
J CK K PR CLR QQ
K CK J CLR PR
QQ
16 VCC 15 1CLR 14 2CLR 13 2CK 12 2K 11 2J 10 2PR 9 2Q
(Top view)
Rev.3.00, Jul.13.2005, page 1 of 8
HD74LS112
Function Table
Inputs
Outputs
Preset
Clear
Clock
J
KQ
Q
LHXXXH
L
HL XXX L
H
L L X X X H* H*
H H ↓ L L QO QO
HH ↓ H L H
L
HH ↓ L H L
H
HH ↓ HH
Toggle
H H H X X QO QO
Notes: H; high level, L; low level, ...
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