SN74BCT640NAlternatives & Equivalent Parts
About SN74BCT640N
SN74BCT640N is a Integrated Circuit component manufactured by Texas Instruments. It comes in a Dual-In-Line Packages package. Below you'll find known alternative and equivalent parts that can serve as replacements in your design.
Specification Comparison
| Parameter | SN74BCT640NSource | SN74BCT640DW | SN74BCT640DWG4 |
|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments |
| Package Type | Dual-In-Line Packages | Other | Small Outline Packages |
| Pin Count | 20 | 20 | 20 |
| Temperature Range | ~ 70.0°C | ~ 70.0°C | ~ 70.0°C |
| Price | $3.7700 | $2.5700 | — |
| Electrical Parameters | |||
| YTEOL | 15 | 15 | 0 |
| Additional Feature | DIRECTION CONTROL; IOL = 24MA @ VOL = 0.5V & IOH = 3MA @ VOH = 2.4V FOR PORT A | — | DIRECTION CONTROL; IOL = 24MA @ VOL = 0.5V & IOH = 3MA @ VOH = 2.4V FOR PORT A |
| Control Type | COMMON CONTROL | COMMON CONTROL | COMMON CONTROL |
| Count Direction | BIDIRECTIONAL | BIDIRECTIONAL | BIDIRECTIONAL |
| Family | BCT/FBT | BCT/FBT | BCT/FBT |
| JESD-30 Code | R-PDIP-T20 | R-PDSO-G20 | R-PDSO-G20 |
| JESD-609 Code | e4 | e4 | e4 |
| Load Capacitance (CL) | 50 pF | 50 pF | 50 pF |
| Logic IC Type | BUS TRANSCEIVER | BUS TRANSCEIVER | BUS TRANSCEIVER |
| Max I(ol) | 0.064 A | 0.064 A | 0.064 A |
| Number of Bits | 8 | 8 | 8 |
| Number of Functions | 8 | 8 | 1 |
| Number of Ports | 2 | 2 | 2 |
| Output Characteristics | 3-STATE | 3-STATE | 3-STATE |
| Output Polarity | INVERTED | INVERTED | INVERTED |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Equivalence Code | DIP20,.3 | SOP20,.4 | SOP20,.4 |
| Package Shape | RECTANGULAR | RECTANGULAR | RECTANGULAR |
| Package Style | IN-LINE | SMALL OUTLINE | SMALL OUTLINE |
| Packing Method | TUBE | TUBE | TUBE |
| Power Supply Current-Max (ICC) | 94 mA | 94 mA | 94 mA |
| Prop. Delay@Nom-Sup | 6.5 ns | 6.5 ns | 6.5 ns |
| Propagation Delay (tpd) | 3.7 ns | 3.7 ns | 3.7 ns |
| Qualification Status | Not Qualified | Not Qualified | Not Qualified |
| Schmitt Trigger | NO | NO | — |
| Supply Voltage-Max (Vsup) | 5.5 V | 5.5 V | 5.5 V |
| Supply Voltage-Min (Vsup) | 4.5 V | 4.5 V | 4.5 V |
| Supply Voltage-Nom (Vsup) | 5 V | 5 V | 5 V |
| Surface Mount | NO | YES | YES |
| Technology | BICMOS | BICMOS | BICMOS |
| Temperature Grade | COMMERCIAL | COMMERCIAL | COMMERCIAL |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) | Nickel/Palladium/Gold (Ni/Pd/Au) | NICKEL PALLADIUM GOLD |
| Terminal Form | THROUGH-HOLE | GULL WING | GULL WING |
| Terminal Pitch | 2.54 mm | 1.27 mm | 1.27 mm |
| Terminal Position | DUAL | DUAL | DUAL |
| Pbfree Code | — | Yes | Yes |
| Peak Reflow Temperature (Cel) | — | 260 | 260 |
| Time@Peak Reflow Temperature-Max (s) | — | 30 | 30 |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
Quick Links
Bus Transceiver, BCT/FBT Series, 8-Func, 8-Bit, Inverted Output, BICMOS, PDSO20
Bus Transceiver, BCT/FBT Series, 1-Func, 8-Bit, Inverted Output, BICMOS, PDSO20
Why Look for Alternatives?
Finding alternatives for SN74BCT640N is essential for supply chain resilience. Component shortages, long lead times, and end-of-life notices can disrupt production schedules. Having verified alternative parts ensures your designs remain manufacturable.
When evaluating SN74BCT640N replacements, consider key parameters such as package compatibility, electrical specifications, and operating temperature range. Our engineering team can help verify pin-to-pin compatibility for your specific application.
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What is equivalent to SN74BCT640N?
Known equivalents for SN74BCT640N include SN74BCT640DW, SN74BCT640DWG4. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of SN74BCT640N?
In many cases, yes. Cross-manufacturer alternatives exist for most standard components. However, always verify pin compatibility, electrical specs, and package dimensions before substituting in production.
How do I verify SN74BCT640N alternatives?
Compare the datasheet specifications including pinout, voltage ratings, timing parameters, and package dimensions. FindMyChip's engineering team can help with compatibility verification — submit an RFQ to get started.