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CD54HC574

Texas Instruments
Part Number CD54HC574
Manufacturer Texas Instruments
Description Octal D-Type Flip-Flop
Published Apr 20, 2021
Detailed Description CD54HC374, CD74HC374, CD54HCT374, CD74HCT374, CD54HC574, CD74HC574, CD54HCT574, CD74HCT574 SCHS183E – NOVEMBER 1998 – RE...
Datasheet PDF File CD54HC574 PDF File

CD54HC574
CD54HC574

Overview
CD54HC374, CD74HC374, CD54HCT374, CD74HCT374, CD54HC574, CD74HC574, CD54HCT574, CD74HCT574 SCHS183E – NOVEMBER 1998 – REVISED OCTOBER 2022 CDx4HC374 High-Speed CMOS Logic Octal D-Type Flip-Flop, 3-State Positive-Edge Triggered 1 Features • Buffered inputs • Common three-state output enable control • Three-state outputs • Bus line driving capability • Typical propagation delay (clock to Q) = 15 ns at VCC = 5 V, CL = 15 pF, TA = 25℃ • Fanout (over temperature range) – Standard outputs: 10 LSTTL loads – Bus driver outputs: 15 LSTTL loads • Wide operating temperature range: –55℃ to 125℃ • Balanced propagation delay and transition times • Significant power reduction compared to LSTTL Logic ICs • HC types – 2-V to 6-V operation – High noise immunity: NIL = 30%, NIH = 30% of VCC at VCC = 5 V • HCT types – 4.
5-V to 5.
5-V Operation – Direct LSTTL input logic compatibility, VIL = 0.
8 V (max), VIH = 2 V (min) – CMOS input compatibility, II ≤ 1μA at VOL, VOH 2 Description The ’HC374, ’HCT374, ’HC574, and ’HCT574 are octal D-type flip-flops with 3-state outputs and the capability to drive 15 LSTTL loads.
The eight edgetriggered flip-flops enter data into their registers on the LOW to HIGH transition of clock (CP).
The output enable (OE) controls the 3-state outputs and is independent of the register operation.
When OE is HIGH, the outputs are in the high-impedance state.
The 374 and 574 are identical in function and differ only in their pinout arrangements.
PART NUMBER Device Information PACKAGE(1) BODY SIZE (NOM) CD54HC374F3A CDIP (20) 26.
92 mm × 6.
92 mm CD54HC574F CDIP (20) 26.
92 mm × 6.
92 mm CD54HCT374F3A CDIP (20) 26.
92 mm × 6.
92 mm CD54HCT574F CDIP (20) 26.
92 mm × 6.
92 mm CD74HC374M SOIC (20) 12.
80 mm × 7.
50 mm CD74HC574M SOIC (20) 12.
80 mm × 7.
50 mm CD74HCT374M SOIC (20) 12.
80 mm × 7.
50 mm CD74HCT574M SOIC (20) 12.
80 mm × 7.
50 mm CD74HC374E PDIP (20) 25.
40 mm × 6.
35 mm CD74HC574E PDIP (20) 25.
40 mm × 6.
35 mm CD74HCT374E PDIP (20) 25.
40 ...


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