| Part Number | Manufacturer | Composite Price | Description | Compare |
|---|---|---|---|---|
| SN74HC640N | Texas Instruments | $0.8333 | Bus Transceiver, HC/UH Series, 8-Func, 8-Bit, Inverted Output, CMOS, PDIP20 | CD54HC640F3A vs SN74HC640N |
| CD74HC640E | Texas Instruments | $1.4845 | Bus Transceiver, HC/UH Series, 8-Func, 8-Bit, Inverted Output, CMOS, PDIP20 | CD54HC640F3A vs CD74HC640E |
| 933670710652 | NXP Semiconductors | Check for Price | Bus Transceiver, HC/UH Series, 1-Func, 8-Bit, Inverted Output, CMOS, PDIP20 | CD54HC640F3A vs 933670710652 |
| HD74HC640P | Renesas Electronics Corporation | Check for Price | Bus Transceiver, HC/UH Series, 1-Func, 8-Bit, Inverted Output, CMOS, PDIP20 | CD54HC640F3A vs HD74HC640P |
| GD74HC640 | Goldstar Electron Co Ltd | Check for Price | Bus Transceiver, HC/UH Series, 1-Func, 8-Bit, Inverted Output, CMOS, PDIP20 | CD54HC640F3A vs GD74HC640 |
| M74HC640-1P | Mitsubishi Electric | Check for Price | Bus Transceiver, HC/UH Series, 1-Func, 8-Bit, Inverted Output, CMOS, PDIP20 | CD54HC640F3A vs M74HC640-1P |
| SNJ54HC640J | Texas Instruments | Check for Price | Bus Transceiver, HC/UH Series, 8-Func, 8-Bit, Inverted Output, CMOS, CDIP20 | CD54HC640F3A vs SNJ54HC640J |
| CD74HC640EE4 | Texas Instruments | Check for Price | Bus Transceiver, HC/UH Series, 1-Func, 8-Bit, Inverted Output, CMOS, PDIP20 | CD54HC640F3A vs CD74HC640EE4 |
| MM74HC640N | Texas Instruments | Check for Price | Bus Transceiver, HC/UH Series, 1-Func, 8-Bit, Inverted Output, CMOS, PDIP20 | CD54HC640F3A vs MM74HC640N |
| SN54HC640J | Texas Instruments | Check for Price | Bus Transceiver, HC/UH Series, 8-Func, 8-Bit, Inverted Output, CMOS, CDIP20 | CD54HC640F3A vs SN54HC640J |
Part Details for CD54HC640F3A by Texas Instruments
Results Overview of CD54HC640F3A by Texas Instruments
- Distributor Offerings: (1 listing)
- Number of FFF Equivalents: (10 replacements)
- Tariff Estimator: (Available) NEW
- Number of Functional Equivalents: (10 options)
- CAD Models: (Request Part)
- Part Data Attributes: (Available)
- Reference Designs: (Not Available)
Tip: Data for a part may vary between manufacturers. You can filter for manufacturers on the top of the page next to the part image and part number.
CD54HC640F3A Information
CD54HC640F3A by Texas Instruments is a Bus Driver/Transceiver.
Bus Driver/Transceivers are under the broader part category of Logic Components.
Digital logic governs the behavior of signals in electronic circuits, enabling complex decisions based on simple binary inputs (yes/no). Logic components perform operations from these signals. Read more about Logic Components on our Logic part category page.
Price & Stock for CD54HC640F3A
| Part # | Distributor | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
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Vyrian | Bus Transceiver, HC Series, 1-Func, 8-Bit, Inverted Output, CMOS, CDIP20 | 6916 |
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RFQ |
US Tariff Estimator: CD54HC640F3A by Texas Instruments
Calculations from this tool are estimations only for imports into the United States. Please refer to the distributor or manufacturer and reference official US government sources and authorities to verify any final purchase costs.
CD54HC640F3A Part Data Attributes
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CD54HC640F3A
Texas Instruments
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Datasheet
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CD54HC640F3A
Texas Instruments
Bus Transceiver, HC/UH Series, 8-Func, 8-Bit, Inverted Output, CMOS, CDIP20
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| Pbfree Code | Yes | |
| Part Life Cycle Code | Active | |
| Part Package Code | DIP | |
| Pin Count | 20 | |
| ECCN Code | EAR99 | |
| HTS Code | 8542.39.00.90 | |
| Additional Feature | With Direction Control | |
| Control Type | Common Control | |
| Count Direction | Bidirectional | |
| Family | Hc/Uh | |
| JESD-30 Code | R-GDIP-T20 | |
| JESD-609 Code | e0 | |
| Length | 19.94 Mm | |
| Load Capacitance (CL) | 50 Pf | |
| Logic IC Type | Bus Transceiver | |
| Max I(ol) | 0.0078 A | |
| Number of Bits | 8 | |
| Number of Functions | 8 | |
| Number of Ports | 2 | |
| Number of Terminals | 20 | |
| Operating Temperature-Max | 125 °C | |
| Operating Temperature-Min | -55 °C | |
| Output Characteristics | 3-State | |
| Output Polarity | Inverted | |
| Package Body Material | Ceramic, Glass-Sealed | |
| Package Code | DIP | |
| Package Equivalence Code | DIP20,.3 | |
| Package Shape | Rectangular | |
| Package Style | In-Line | |
| Packing Method | Tube | |
| Power Supply Current-Max (ICC) | 0.16 Ma | |
| Prop. Delay@Nom-Sup | 20 Ns | |
| Propagation Delay (tpd) | 135 Ns | |
| Qualification Status | Not Qualified | |
| Schmitt Trigger | No | |
| Screening Level | 38535q/M;38534h;883b | |
| Seated Height-Max | 5.08 Mm | |
| Supply Voltage-Max (Vsup) | 6 V | |
| Supply Voltage-Min (Vsup) | 2 V | |
| Supply Voltage-Nom (Vsup) | 6 V | |
| Surface Mount | No | |
| Technology | Cmos | |
| Temperature Grade | Military | |
| Terminal Finish | Tin/Lead (Sn/Pb) | |
| Terminal Form | Through-Hole | |
| Terminal Pitch | 2.54 Mm | |
| Terminal Position | Dual | |
| Width | 7.62 Mm |
Alternate Parts for CD54HC640F3A
This table gives cross-reference parts and alternative options found for CD54HC640F3A. The Form Fit Function (FFF) tab will give you the options that are more likely to serve as direct pin-to-pin alternates or drop-in parts. The Functional Equivalents tab will give you options that are likely to match the same function of CD54HC640F3A, but it may not fit your design. Always verify details of parts you are evaluating, as these parts are offered as suggestions for what you are looking for and are not guaranteed.
CD54HC640F3A Frequently Asked Questions (FAQ)
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The maximum frequency of operation for the CD54HC640F3A is 25 MHz, but it can be operated at higher frequencies with reduced voltage and/or load capacitance.
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To ensure signal integrity, use a low-impedance PCB design, keep signal traces short, and use termination resistors to match the impedance of the transmission line. Additionally, consider using a clock buffer or repeater to regenerate the clock signal.
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The recommended power-up sequence is to apply VCC first, followed by VEE, and then the input signals. This ensures that the device is properly biased and minimizes the risk of latch-up or damage.
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Yes, the CD54HC640F3A can be used in a 3.3V system, but the input voltage must not exceed 3.6V to ensure reliable operation. Additionally, the output voltage will be limited to 3.3V, which may affect the signal amplitude and noise margin.
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The CD54HC640F3A has a maximum junction temperature of 150°C. To ensure reliable operation, use a heat sink or thermal pad to dissipate heat, especially in high-power or high-frequency applications. Follow the recommended thermal design guidelines to prevent overheating.