|54AC16374||16-BIT EDGE-TRIGGERED D-TYPE FLIP-FLOPS WITH 3-STATE OUTPUTS|
|54AC16374 Datasheet PDF : 11 Pages |
16-BIT EDGE-TRIGGERED D-TYPE FLIP-FLOPS
WITH 3-STATE OUTPUTS
SCAS123B – MARCH 1990 – REVISED APRIL 1996
D Members of the Texas Instruments
Widebus ™ Family
D 3-State True Outputs
D Full Parallel Access for Loading
D Flow-Through Architecture Optimizes
D Distributed VCC and GND Pin Configuration
Minimizes High-Speed Switching Noise
D EPIC™ (Enhanced-Performance Implanted
CMOS) 1-µm Process
D 500-mA Typical Latch-Up Immunity at
D Package Options Include Plastic 300-mil
Shrink Small-Outline (DL) Packages Using
25-mil Center-to-Center Pin Spacings and
380-mil Fine-Pitch Ceramic Flat (WD)
Packages Using 25-mil Center-to-Center
The ’AC16374 are 16-bit edge-triggered D-type
flip-flops with 3-state outputs designed
specifically for driving highly capacitive or
relatively low-impedance loads. They are
particularly suitable for implementing buffer
registers, I/O ports, bidirectional bus drivers, and
54AC16374 . . . WD PACKAGE
74AC16374 . . . DL PACKAGE
The ’AC16374 can be used as two 8-bit flip-flops or one 16-bit flip-flop. On the positive transition of the clock
(CLK) input, the Q outputs of the flip-flop take on the logic levels set up at the data (D) inputs.
A buffered output-enable (OE) input can be used to place the eight outputs in either a normal logic state (high
or low logic levels) or a high-impedance state. In the high-impedance state, the outputs neither load nor drive
the bus lines significantly.
OE does not affect the internal operations of the flip-flop. Old data can be retained or new data can be entered
while the outputs are in the high-impedance state.
The 74AC16374 is packaged in TI’s shrink small-outline package, which provides twice the I/O pin count and
functionality of standard small-outline packages in the same printed-circuit-board area.
The 54AC16374 is characterized for operation over the full military temperature range of –55°C to 125°C. The
74AC16374 is characterized for operation from –40°C to 85°C.
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
EPIC and Widebus are trademarks of Texas Instruments Incorporated.
UNLESS OTHERWISE NOTED this document contains PRODUCTION
DATA information current as of publication date. Products conform to
specifications per the terms of Texas Instruments standard warranty.
Production processing does not necessarily include testing of all
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Copyright © 1996, Texas Instruments Incorporated
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