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74ABT16821A

NXP
Part Number 74ABT16821A
Manufacturer NXP
Description 20-bit bus-interface D-type flip-flop
Published Apr 3, 2005
Detailed Description 74ABT16821A 20-bit bus-interface D-type flip-flop; positive-edge trigger; 3-state Rev. 03 — 16 March 2010 Product dat...
Datasheet PDF File 74ABT16821A PDF File

74ABT16821A
74ABT16821A

Overview
74ABT16821A 20-bit bus-interface D-type flip-flop; positive-edge trigger; 3-state Rev.
03 — 16 March 2010 Product data sheet 1.
General description The 74ABT16821A high-performance BiCMOS device combines low static and dynamic power dissipation with high speed and high output drive.
The 74ABT16821A has two 10-bit, edge-triggered registers, with each register coupled to a 3-state output buffer.
The two sections of each register are controlled independently by the clock (nCP) and output enable (nOE) control gates.
Each register is fully edge triggered.
The state of each D input, one set-up time before the LOW-to-HIGH clock transition, is transferred to the corresponding flip-flops Q output.
The 3-state output buffers are designed to drive heavily loaded 3-state buses, MOS memories, or MOS microprocessors.
The active-LOW output enable (nOE) controls all ten 3-state buffers independent of the register operation.
When nOE is LOW, the data in the register appears at the outputs.
When n...


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