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Product Detailed Parameters
- Description：74HC221 DUAL MONOSTABLE MULTIVIB
- Series：74HC
- Mfr：Renesas Electronics Corporation
- Package：Bulk
- Logic Type：Monostable
- Independent Circuits：2
- Schmitt Trigger Input：Yes
- Propagation Delay：19 ns
- Current - Output High, Low：5.2mA, 5.2mA
- Voltage - Supply：2 V ~ 6 V
- Operating Temperature：-40°C ~ 125°C
- Mounting Type：-
- Package / Case：-
- Supplier Device Package：-
- Grade：-
- Qualification：-
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Overview
The HD74HC221FP-E is a dual monostable multivibrator from the HC/UH series, manufactured by Renesas Electronics Corporation. It operates on a 5V drive bipolar general-purpose logic platform and is housed in a 16-pin DIP package. The component supports synchronous operation with positive edge triggering for both internal and external reset functions. It features complementary outputs and is designed for high-speed operation within standard CMOS logic families.
Feature Summary
- Dual monostable multivibrator configuration providing two independent timing circuits
- Synchronous operation with positive edge trigger capability
- Internal or external reset functionality for flexible control
- Complementary output structure for versatile signal interfacing
Applications
- Timing pulse generation
- Waveform shaping
- Delay line circuits
- Debouncing switches
Procurement Notes
Verify the specific suffix 'E' against official Renesas documentation to confirm environmental compliance status and pinout compatibility. Confirm that the device is available for new designs, as older HC series components may have limited support or obsolescence notices. Ensure the DIP-16 package matches the target PCB footprint requirements before finalizing procurement.
Selection Notes
Select this component when a dual monostable multivibrator with synchronous reset is required in a 5V logic environment. The HC series offers high noise immunity and wide operating voltage ranges suitable for general-purpose applications. Consider the DIP-16 package availability if through-hole mounting is necessary for the design constraints.
Part Context
This part belongs to the HD74HC221 family of monostable multivibrators. It is part of the broader HC/UH series of logic ICs, which are widely used in digital systems for timing and control functions. The FP-E designation indicates a specific package and environmental variant within the Renesas product lineup.
Replacement Considerations
Check for direct cross-references such as CD74HC221 or SN74HC221 from other manufacturers, ensuring pin compatibility and electrical specifications match. Verify that any substitute maintains the same synchronous reset and complementary output characteristics.
