74H108PC
74H108PC
Active
Description:  J-K FLIP-FLOP
Manufacturer:  National Semiconductor
Datasheet:   74H108PC Datasheet
History Price: $2.27000
In Stock: 16500
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Apr 18, 2026
74H108PC Specification
Specification
Mfr Part
74H108PC
Category
Logic - Flip Flops
Manufacturer
National Semiconductor
Series
74H
Packaging
Bulk
Status
Active
Environmental Compliance
Lead Free
Radiation Hardening
No
REACH SVHC
No SVHC
RoHS
Compliant
HS Code
-
Technical Parameter
Function
Set(Preset) and Reset
Type
JK Type
Output Type
Complementary
Number of Elements
2
Number of Bits per Element
1
Clock Frequency
40 MHz
Max Propagation Delay @ V, Max CL
20ns @ 5V, 25pF
Trigger Type
Negative Edge
Current - Output High, Low
-
Voltage - Supply
4.75V ~ 5.25V
Current - Quiescent (Iq)
76 mA
Input Capacitance
-
Operating Temperature
0 ℃ ~ 70 ℃ (TA)
Mounting Type
Through Hole
Supplier Device Package
14-PDIP
Package / Case
14-DIP (0.300", 7.62mm)
74H108PC PDF Datasheet
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74H108PC Description
The National Semiconductor 74H108PC is a dual J-K flip-flop integrated circuit that is part of the 74H series of digital logic devices. This device is designed for use in various digital applications, including data storage, frequency division, and state machine implementations. The 74H108PC is known for its high-speed operation and versatility, making it suitable for a wide range of electronic designs.

## Key Specifications:

1. Type: Dual J-K Flip-Flop
2. Package: 14-pin Dual In-Line Package (DIP)
3. Supply Voltage (V_CC): 4.5V to 5.5V
4. Input Voltage (V_I): 0V to V_CC
5. Output Voltage (V_OH): V_CC - 0.1V (high state)
6. Output Current (I_O): ±25 mA
7. Propagation Delay (t_PD): Typically 15 ns at V_CC = 5V
8. Maximum Clock Frequency: Up to 25 MHz
9. Power Dissipation: Typically 1 mW at V_CC = 5V
10. Temperature Range: Commercial grade, 0°C to 70°C

## Features:

- Dual Functionality: The 74H108PC contains two independent J-K flip-flops, allowing for versatile applications in digital circuits.
- Edge-Triggered Operation: The flip-flops are edge-triggered, meaning they respond to changes in the clock signal, providing reliable state
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  • Customer Reviews
    4.95 out of 5.00 stars from 56 customer reviews from all over the world
    Laura Cristina
    Spain
    5 stars
    2026-04-14 04:28
    Tested, works as expected.
    Halina Jankowska
    Poland
    5 stars
    2026-04-14 03:26
    Fast shipping, OK
    Emil Kwiatkowski
    Poland
    5 stars
    2026-04-14 00:25
    Looks genuine. Have IR logo. Not tested yet.
    Gintaras Jonas
    Lithuania
    5 stars
    2026-04-13 20:38
    looks like not genuine
    Laura Ramirez
    United States
    5 stars
    2026-04-13 19:13
    Okay, according to the announcement.
    Valentina
    Spain
    5 stars
    2026-04-13 18:12
    Product good, as described.