74HCT74PW: Dual D-type flip-flop with set and reset; positive-edge trigger
The 74HC74 and 74HCT74 are dual positive edge triggered D-type flip-flop. They have
individual data (nD), clock (nCP), set (nSD) and reset (nRD) inputs, and complementary
nQ and nQ outputs. Data at the nD-input, that meets the set-up and hold time
requirements on the LOW-to-HIGH clock transition, is stored in the flip-flop and appears at
the nQ output. Schmitt-trigger action in the clock input, makes the circuit highly tolerant to
slower clock rise and fall times. Inputs include clamp diodes that enable the use of current
limiting resistors to interface inputs to voltages in excess of VCC.
74HCT74PW: Product Block Diagram
Outline 3d SOT402-1
Data Sheets (1)
Application Notes (2)
Users Guides (1)
Name/Description | Modified Date |
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HC/T User Guide (REV 1.0) PDF (508.0 kB) HCT_USER_GUIDE [English] | 01 Nov 1997 |
Selector Guides (2)
Package Information (1)
Packing (1)
Supporting Information (1)
SPICE model
Ordering Information
Product | Status | Family | VCC (V) | Function | Description | Logic switching levels | Output drive capability (mA) | Package version | tpd (ns) | fmax (MHz) | Power dissipation considerations | Tamb (Cel) | Rth(j-a) (K/W) | Ψth(j-top) (K/W) | Rth(j-c) (K/W) | Package name | No of pins |
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74HCT74PW | Active | HC(T) | 4.5 - 5.5 | D-type flip-flops | TTL enabled | TTL | +/- 4 | SOT402-1 | 15 | 59 | low | -40~125 | 141 | 7.8 | 69 | TSSOP14 | 14 |
Package Information
Product ID | Package Description | Outline Version | Reflow/Wave Soldering | Packing | Product Status | Part NumberOrdering code(12NC) | Marking | Chemical Content | RoHS / Pb Free / RHF | LeadFree Conversion Date | EFR | IFR(FIT) | MTBF(hour) | MSL | MSL LF |
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74HCT74PW | | SOT402-1 | SSOP-TSSOP-VSO-WAVE | Reel 13" Q1/T1 | Active | 74HCT74PW,118
(9351 751 50118) | HCT74 | 74HCT74PW | | week 10, 2005 | 84.9 | 6.62 | 1.51E8 | 1 | 1 |
Bulk Pack | Active | 74HCT74PW,112
(9351 751 50112) | HCT74 | 74HCT74PW | | week 10, 2005 | 84.9 | 6.62 | 1.51E8 | 1 | 1 |