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74HC73 Datasheet, PDF (1/16 Pages) NXP Semiconductors – Dual JK flip-flop with reset; negative-edge trigger | |||
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74HC73
Dual JK ï¬ip-ï¬op with reset; negative-edge trigger
Rev. 04 â 19 March 2008
Product data sheet
1. General description
The 74HC73 is a high-speed Si-gate CMOS device that complies with JEDEC
standard no. 7A. It is pin compatible with Low-power Schottky TTL (LSTTL).
The 74HC73 is a dual negative-edge triggered JK ï¬ip-ï¬op featuring individual J, K, clock
(nCP) and reset (nR) inputs; also complementary nQ and nQ outputs.
The J and K inputs must be stable one set-up time prior to the HIGH-to-LOW clock
transition for predictable operation.
The reset (nR) is an asynchronous active LOW input. When LOW, it overrides the clock
and data inputs, forcing the nQ output LOW and the nQ output HIGH.
Schmitt-trigger action in the clock input makes the circuit highly tolerant to slower clock
rise and fall times.
2. Features
I Low-power dissipation
I Complies with JEDEC standard no. 7A
I ESD protection:
N HBM JESD22-A114E exceeds 2000 V
N MM JESD22-A115-A exceeds 200 V
I Multiple package options
I Speciï¬ed from â40 °C to +80 °C and from â40 °C to +125 °C
3. Ordering information
Table 1. Ordering information
Type number Package
Temperature range Name Description
74HC73N
â40 °C to +125 °C DIP14 plastic dual in-line package; 14 leads (300 mil)
74HC73D
â40 °C to +125 °C SO14
plastic small outline package; 14 leads; body width 3.9 mm
74HC73DB
â40 °C to +125 °C SSOP14 plastic shrink small outline package; 14 leads; body width
5.3 mm
74HC73PW
â40 °C to +125 °C TSSOP14 plastic thin shrink small outline package; 14 leads; body
width 4.4 mm
Version
SOT27-1
SOT108-1
SOT337-1
SOT402-1
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