Part Details for SN74AS644DW by Rochester Electronics LLC
Overview of SN74AS644DW by Rochester Electronics LLC
- Distributor Offerings: (0 listings)
- Number of FFF Equivalents: (3 replacements)
- CAD Models: (Request Part)
- Number of Functional Equivalents: (10 options)
- 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.
Part Details for SN74AS644DW
SN74AS644DW CAD Models
SN74AS644DW Part Data Attributes
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SN74AS644DW
Rochester Electronics LLC
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Datasheet
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SN74AS644DW
Rochester Electronics LLC
AS SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, PDSO20, PACKAGE-20
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| Part Life Cycle Code | Active | |
| Ihs Manufacturer | ROCHESTER ELECTRONICS INC | |
| Part Package Code | SOIC | |
| Package Description | SOP, | |
| Pin Count | 20 | |
| Reach Compliance Code | unknown | |
| Additional Feature | WITH DIRECTION CONTROL | |
| Family | AS | |
| JESD-30 Code | R-PDSO-G20 | |
| Length | 12.8 mm | |
| Logic IC Type | BUS TRANSCEIVER | |
| Number of Bits | 8 | |
| Number of Functions | 1 | |
| Number of Ports | 2 | |
| Number of Terminals | 20 | |
| Operating Temperature-Max | 70 °C | |
| Operating Temperature-Min | ||
| Output Characteristics | OPEN-COLLECTOR | |
| Output Polarity | TRUE | |
| Package Body Material | PLASTIC/EPOXY | |
| Package Code | SOP | |
| Package Shape | RECTANGULAR | |
| Package Style | SMALL OUTLINE | |
| Propagation Delay (tpd) | 7.5 ns | |
| Seated Height-Max | 2.65 mm | |
| Supply Voltage-Max (Vsup) | 5.5 V | |
| Supply Voltage-Min (Vsup) | 4.5 V | |
| Supply Voltage-Nom (Vsup) | 5 V | |
| Surface Mount | YES | |
| Technology | TTL | |
| Temperature Grade | COMMERCIAL | |
| Terminal Form | GULL WING | |
| Terminal Pitch | 1.27 mm | |
| Terminal Position | DUAL | |
| Width | 7.5 mm |
Alternate Parts for SN74AS644DW
This table gives cross-reference parts and alternative options found for SN74AS644DW. 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 SN74AS644DW, 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.
| Part Number | Description | Manufacturer | Compare |
|---|---|---|---|
| SN74AS644DWR | AS SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, PDSO20, PACKAGE-20 | Rochester Electronics LLC | SN74AS644DW vs SN74AS644DWR |
| SN74AS644DWR | AS SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, PDSO20 | Texas Instruments | SN74AS644DW vs SN74AS644DWR |
| SN74AS644DW | SN74AS644 20-SOIC 0 to 70 | Texas Instruments | SN74AS644DW vs SN74AS644DW |