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54ACT109L View Datasheet(PDF) - National ->Texas Instruments

Part NameDescriptionManufacturer
54ACT109L Dual JK Positive Edge-Triggered Flip-Flop National-Semiconductor
National ->Texas Instruments National-Semiconductor
54ACT109L Datasheet PDF : 9 Pages
1 2 3 4 5 6 7 8 9
August 1998
54AC109 54ACT109
Dual JK Positive Edge-Triggered Flip-Flop
General Description
The ’AC/’ACT109 consists of two high-speed completely in-
dependent transition clocked JK flip-flops. The clocking op-
eration is independent of rise and fall times of the clock
waveform. The JK design allows operation as a D flip-flop
(refer to ’AC/’ACT74 data sheet) by connecting the J and K
inputs together.
Asynchronous Inputs:
LOW input to SD (Set) sets Q to HIGH level
LOW input to CD (Clear) sets Q to LOW level
Clear and Set are independent of clock
Simultaneous LOW on CD and SD makes both Q and Q
HIGH
Features
n ICC reduced by 50%
n Outputs source/sink 24 mA
n ’ACT109 has TTL-compatible inputs
n Standard Military Drawing (SMD)
— ’AC109: 5962-89551
— ’ACT109: 5962-88534
Logic Symbol
IEEE/IEC
DS100267-1
DS100267-2
DS100267-7
Pin Names
J1, J2, K1, K2
CP1, CP2
CD1, CD2
SD1, SD2
Q1, Q2, Q1, Q2
Description
Data Inputs
Clock Pulse Inputs
Direct Clear Inputs
Direct Set Inputs
Outputs
FACT® is a registered trademark of Fairchild Semiconductor Corporation.
© 1998 National Semiconductor Corporation DS100267
www.national.com
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