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UT54ACTS374

Aeroflex Circuit Technology
Part Number UT54ACTS374
Manufacturer Aeroflex Circuit Technology
Description Octal D-Type Flip-Flops
Published Oct 4, 2016
Detailed Description Standard Products UT54ACS374/UT54ACTS374 Octal D-Type Flip-Flops with Three-State Outputs Datasheet November 2010 www.a...
Datasheet PDF File UT54ACTS374 PDF File

UT54ACTS374
UT54ACTS374

Overview
Standard Products UT54ACS374/UT54ACTS374 Octal D-Type Flip-Flops with Three-State Outputs Datasheet November 2010 www.
aeroflex.
com/logic FEATURES ‰ 8 latches in a single package ‰ Three-state bus-driving true outputs ‰ Full parallel access for loading ‰ 1.
2μ CMOS - Latchup immune ‰ High speed ‰ Low power consumption ‰ Single 5 volt supply ‰ Available QML Q or V processes ‰ Flexible package - 20-pin DIP - 20-lead flatpack ‰ UT54ACS374 - SMD 5962-96590 ‰ UT54ACTS374 - SMD 5962-96591 DESCRIPTION The UT54ACS374 and the UT54ACTS374 are non-inverting octal D type flip-flops with three-state outputs designed for driving highly capacitive or relatively low-impedance loads.
The device is suitable for buffer registers, I/O ports, and bidirectional bus drivers.
The eight flip-flops are edge triggered D-type flip-flops.
On the positive transition of the clock the Q outputs will follow the data (D) inputs.
An output-control input (OC) places the eight outputs in either a normal logic state (high or low logic level) or a high-impedance state.
The high-impedance third state and increased drive provide the capability to drive the bus line in a bus-organized system without the need for interface or pull-up components.
The output control OC does not affect the internal operations of the flip-flops.
Old data can be retained or new data can be entered while the outputs are off.
The devices are characterized over full military temperature range of -55°C to +125°C.
FUNCTION TABLE INPUTS OUTPUT OC CLK nD nQ L ↑ HH L ↑ LL L L X nQ0 H X XZ PINOUTS 20-Pin DIP Top View OC 1 20 1Q 2 19 1D 3 18 2D 4 17 2Q 5 16 3Q 6 15 3D 7 14 4D 8 13 4Q 9 12 VSS 10 11 VDD 8Q 8D 7D 7Q 6Q 6D 5D 5Q CLK 20-Lead Flatpack Top View OC 1Q 1D 2D 2Q 3Q 3D 4D 4Q VSS LOGIC SYMBOL (1) OC (11) CLK EN C1 1 20 2 19 3 18 4 17 5 16 6 15 7 14 8 13 9 12 10 11 VDD 8Q 8D 7D 7Q 6Q 6D 5D 5Q CLK 1D (3) 2D (4) 3D (7) 4D (8) 5D (13) 6D (14) 7D (17) 8D (18) 1D (2) (5) 1Q 2Q (6) 3Q (9) 4Q (12) 5Q (15) 6Q ...


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