CD74HC21M96 Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
Texas Instruments CD74HC21M96 is a dual 4-input AND gate in the HC/UH logic family, offering 5.2 mA sink current and 50 pF load capacity in a 14-pin SOIC package. It provides two independent 4-input AND functions for high-speed CMOS logic designs. Available from stock worldwide with competitive pricing.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 14
- Lifecycle
- ACTIVE
- Datasheet
- CD74HC21M96 Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.1930(MOQ 100)
- Temp Range
- -55.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Dual 4-input AND gate providing two independent logic functions in a single 14-pin SOIC package
- HC/UH family with 5.2 mA sink current and 50 pF load capacitance for reliable fan-out in medium-speed logic chains
- RoHS-compliant (JESD-609 e4, Pb-free) with 15-year estimated end-of-life, ensuring long-term sourcing security
Applications
The CD74HC21M96 is used in digital logic circuits requiring multi-input enable gating, such as chip-select decoding in memory subsystems and interrupt qualifier logic in microprocessor boards. Its two independent 4-input AND gates allow combining four enable or condition signals per gate, reducing external gate count in CPLD-companion designs. The device also fits event detection and coincidence logic in industrial PLC I/O modules where multiple conditions must all be true before an output fires.
Specifications
| Pbfree Code | Yes |
| YTEOL | 15 |
| Family | HC/UH |
| JESD-30 Code | R-PDSO-G14 |
| JESD-609 Code | e4 |
| Load Capacitance (CL) | 50pF |
| Logic IC Type | AND GATE |
| Max I(ol) | 0.0052A |
| Number of Functions | 2 |
| Number of Inputs | 4 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP14,.25 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Packing Method | TR |
| Peak Reflow Temperature (Cel) | 260 |
| Power Supply Current-Max (ICC) | 0.04mA |
| Prop. Delay@Nom-Sup | 33ns |
| Propagation Delay (tpd) | 165ns |
| Qualification Status | Not Qualified |
| Schmitt Trigger | NO |
| Supply Voltage-Max (Vsup) | 6V |
| Supply Voltage-Min (Vsup) | 2V |
| Supply Voltage-Nom (Vsup) | 4.5V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | MILITARY |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.27mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| ## CD74HC21M96 Alternates Showing results | Image |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.90 |
| Country of Origin | Malaysia |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for CD74HC21M96:
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Frequently Asked Questions
How many logic functions does CD74HC21M96 provide, and what configuration are the inputs?
The CD74HC21M96 contains 2 independent 4-input AND gates, each accepting 4 logic inputs and producing a single HIGH output only when all 4 inputs are HIGH simultaneously. This dual-gate configuration in a 14-pin SOIC body allows a designer to replace two discrete AND functions with a single component, saving board space and simplifying BOM management in chip-select or conditional enable circuits.
How does CD74HC21M96 perform in a chip-select decoding application compared to using a 2-input AND gate cascade?
A single 4-input AND gate in CD74HC21M96 decodes four address or control lines in one propagation delay (typically 8 ns at 5 V supply), whereas cascading two 2-input gates adds a second gate delay of another 8 ns. Eliminating that second stage reduces address decoding latency by approximately 8 ns and lowers component count from 2 ICs to 1, which matters in tight PCB area budgets.
What sink current does CD74HC21M96 provide, and how many standard HC inputs can each output drive?
Each output sinks up to 5.2 mA, which is sufficient to drive approximately 10 standard HC logic inputs (each drawing about 1 µA typical at 5 V). At 50 pF load capacitance the output meets the HC switching spec, making CD74HC21M96 suitable for driving moderate fan-out logic trees without external buffers in systems clocked below 25 MHz.
For how many years is CD74HC21M96 projected to remain in production, and what does this mean for long-lifecycle designs?
The CD74HC21M96 carries a YTEOL of 15 years, indicating Texas Instruments plans to manufacture it for at least 15 more years from the current date. This long projected production life makes it a safe selection for industrial, medical, and infrastructure equipment with 10-year or longer design lifetimes, reducing the risk of mid-lifecycle obsolescence and costly redesigns.
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About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 100+ | $0.2370 | $23.70 |
| 2000+ | $0.2050 | $410.00 |
| 4000+ | $0.1930 | $772.00 |
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