
High Speed CMOS Logic Octal Inverting Bus Transceivers with 3-State Outputs 20-PDIP -55 to 125
| Parameter Name | Attribute value |
| Brand Name | Texas Instruments |
| Is it lead-free? | Lead free |
| Is it Rohs certified? | conform to |
| Maker | Texas Instruments |
| Parts packaging code | DIP |
| package instruction | DIP, DIP20,.3 |
| Contacts | 20 |
| Reach Compliance Code | compli |
| Other features | WITH DIRECTION CONTROL |
| Control type | COMMON CONTROL |
| Counting direction | BIDIRECTIONAL |
| series | HC/UH |
| JESD-30 code | R-PDIP-T20 |
| JESD-609 code | e4 |
| length | 25.4 mm |
| Logic integrated circuit type | BUS TRANSCEIVER |
| MaximumI(ol) | 0.006 A |
| Number of digits | 8 |
| Number of functions | 1 |
| Number of ports | 2 |
| Number of terminals | 20 |
| Maximum operating temperature | 125 °C |
| Minimum operating temperature | -55 °C |
| Output characteristics | 3-STATE |
| Output polarity | INVERTED |
| Package body material | PLASTIC/EPOXY |
| encapsulated code | DIP |
| Encapsulate equivalent code | DIP20,.3 |
| Package shape | RECTANGULAR |
| Package form | IN-LINE |
| Peak Reflow Temperature (Celsius) | NOT SPECIFIED |
| power supply | 2/6 V |
| Prop。Delay @ Nom-Su | 27 ns |
| propagation delay (tpd) | 135 ns |
| Certification status | Not Qualified |
| Maximum seat height | 5.08 mm |
| Maximum supply voltage (Vsup) | 6 V |
| Minimum supply voltage (Vsup) | 2 V |
| Nominal supply voltage (Vsup) | 4.5 V |
| surface mount | NO |
| technology | CMOS |
| Temperature level | MILITARY |
| Terminal surface | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal form | THROUGH-HOLE |
| Terminal pitch | 2.54 mm |
| Terminal location | DUAL |
| Maximum time at peak reflow temperature | NOT SPECIFIED |
| translate | N/A |
| width | 7.62 mm |
| CD74HC640EE4 | CD74HC640E | CD74HCT640MG4 | CD74HCT640E | CD74HCT640M | CD74HC640MG4 | CD74HC640M | |
|---|---|---|---|---|---|---|---|
| Description | High Speed CMOS Logic Octal Inverting Bus Transceivers with 3-State Outputs 20-PDIP -55 to 125 | High Speed CMOS Logic Octal Inverting Bus Transceivers with 3-State Outputs 20-PDIP -55 to 125 | High Speed CMOS Logic Octal Inverting Bus Transceiver with 3-State Outputs 20-SOIC -55 to 125 | High Speed CMOS Logic Octal Inverting Bus Transceiver with 3-State Outputs 20-PDIP -55 to 125 | High Speed CMOS Logic Octal Inverting Bus Transceiver with 3-State Outputs 20-SOIC -55 to 125 | High Speed CMOS Logic Octal Inverting Bus Transceivers with 3-State Outputs 20-SOIC -55 to 125 | High Speed CMOS Logic Octal Inverting Bus Transceivers with 3-State Outputs 20-SOIC -55 to 125 |
| Brand Name | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Is it Rohs certified? | conform to | conform to | conform to | conform to | conform to | conform to | conform to |
| Parts packaging code | DIP | DIP | SOIC | DIP | SOIC | SOIC | SOIC |
| package instruction | DIP, DIP20,.3 | DIP, DIP20,.3 | SOP, SOP20,.4 | DIP, DIP20,.3 | SOP, SOP20,.4 | SOP, SOP20,.4 | SOP, SOP20,.4 |
| Contacts | 20 | 20 | 20 | 20 | 20 | 20 | 20 |
| Reach Compliance Code | compli | compli | compli | compli | compli | compli | compli |
| Other features | WITH DIRECTION CONTROL | WITH DIRECTION CONTROL | WITH DIRECTION CONTROL | WITH DIRECTION CONTROL | WITH DIRECTION CONTROL | WITH DIRECTION CONTROL | WITH DIRECTION CONTROL |
| Control type | COMMON CONTROL | COMMON CONTROL | COMMON CONTROL | COMMON CONTROL | COMMON CONTROL | COMMON CONTROL | COMMON CONTROL |
| Counting direction | BIDIRECTIONAL | BIDIRECTIONAL | BIDIRECTIONAL | BIDIRECTIONAL | BIDIRECTIONAL | BIDIRECTIONAL | BIDIRECTIONAL |
| series | HC/UH | HC | HCT | HCT | HCT | HC/UH | HC |
| JESD-30 code | R-PDIP-T20 | R-PDIP-T20 | R-PDSO-G20 | R-PDIP-T20 | R-PDSO-G20 | R-PDSO-G20 | R-PDSO-G20 |
| JESD-609 code | e4 | e4 | e4 | e4 | e4 | e4 | e4 |
| length | 25.4 mm | 25.4 mm | 12.8 mm | 24.33 mm | 12.8 mm | 12.8 mm | 12.8 mm |
| Logic integrated circuit type | BUS TRANSCEIVER | BUS TRANSCEIVER | BUS TRANSCEIVER | BUS TRANSCEIVER | BUS TRANSCEIVER | BUS TRANSCEIVER | BUS TRANSCEIVER |
| MaximumI(ol) | 0.006 A | 0.0078 A | 0.006 A | 0.006 A | 0.006 A | 0.006 A | 0.0078 A |
| Number of digits | 8 | 8 | 8 | 8 | 8 | 8 | 8 |
| Number of functions | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Number of ports | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
| Number of terminals | 20 | 20 | 20 | 20 | 20 | 20 | 20 |
| Maximum operating temperature | 125 °C | 125 °C | 125 °C | 125 °C | 125 °C | 125 °C | 125 °C |
| Minimum operating temperature | -55 °C | -55 °C | -55 °C | -55 °C | -55 °C | -55 °C | -55 °C |
| Output characteristics | 3-STATE | 3-STATE | 3-STATE | 3-STATE | 3-STATE | 3-STATE | 3-STATE |
| Output polarity | INVERTED | INVERTED | INVERTED | INVERTED | INVERTED | INVERTED | INVERTED |
| Package body material | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY |
| encapsulated code | DIP | DIP | SOP | DIP | SOP | SOP | SOP |
| Encapsulate equivalent code | DIP20,.3 | DIP20,.3 | SOP20,.4 | DIP20,.3 | SOP20,.4 | SOP20,.4 | SOP20,.4 |
| Package shape | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR |
| Package form | IN-LINE | IN-LINE | SMALL OUTLINE | IN-LINE | SMALL OUTLINE | SMALL OUTLINE | SMALL OUTLINE |
| Peak Reflow Temperature (Celsius) | NOT SPECIFIED | NOT SPECIFIED | 260 | NOT SPECIFIED | 260 | 260 | 260 |
| power supply | 2/6 V | 2/6 V | 5 V | 5 V | 5 V | 2/6 V | 2/6 V |
| Prop。Delay @ Nom-Su | 27 ns | 20 ns | 33 ns | 28 ns | 28 ns | 27 ns | 20 ns |
| propagation delay (tpd) | 135 ns | 135 ns | 33 ns | 33 ns | 33 ns | 135 ns | 135 ns |
| Certification status | Not Qualified | Not Qualified | Not Qualified | Not Qualified | Not Qualified | Not Qualified | Not Qualified |
| Maximum seat height | 5.08 mm | 5.08 mm | 2.65 mm | 5.08 mm | 2.65 mm | 2.65 mm | 2.65 mm |
| Maximum supply voltage (Vsup) | 6 V | 6 V | 5.5 V | 5.5 V | 5.5 V | 6 V | 6 V |
| Minimum supply voltage (Vsup) | 2 V | 2 V | 4.5 V | 4.5 V | 4.5 V | 2 V | 2 V |
| Nominal supply voltage (Vsup) | 4.5 V | 4.5 V | 5 V | 5 V | 5 V | 4.5 V | 4.5 V |
| surface mount | NO | NO | YES | NO | YES | YES | YES |
| technology | CMOS | CMOS | CMOS | CMOS | CMOS | CMOS | CMOS |
| Temperature level | MILITARY | MILITARY | MILITARY | MILITARY | MILITARY | MILITARY | MILITARY |
| Terminal surface | Nickel/Palladium/Gold (Ni/Pd/Au) | Nickel/Palladium/Gold (Ni/Pd/Au) | Nickel/Palladium/Gold (Ni/Pd/Au) | Nickel/Palladium/Gold (Ni/Pd/Au) | Nickel/Palladium/Gold (Ni/Pd/Au) | Nickel/Palladium/Gold (Ni/Pd/Au) | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal form | THROUGH-HOLE | THROUGH-HOLE | GULL WING | THROUGH-HOLE | GULL WING | GULL WING | GULL WING |
| Terminal pitch | 2.54 mm | 2.54 mm | 1.27 mm | 2.54 mm | 1.27 mm | 1.27 mm | 1.27 mm |
| Terminal location | DUAL | DUAL | DUAL | DUAL | DUAL | DUAL | DUAL |
| Maximum time at peak reflow temperature | NOT SPECIFIED | NOT SPECIFIED | NOT SPECIFIED | NOT SPECIFIED | NOT SPECIFIED | NOT SPECIFIED | NOT SPECIFIED |
| translate | N/A | N/A | N/A | N/A | N/A | N/A | N/A |
| width | 7.62 mm | 7.62 mm | 7.5 mm | 6.35 mm | 7.5 mm | 7.5 mm | 7.5 mm |
| Is it lead-free? | Lead free | Lead free | - | Lead free | Lead free | - | Lead free |
| Maker | Texas Instruments | Texas Instruments | - | - | - | Texas Instruments | Texas Instruments |
| Load capacitance (CL) | - | 50 pF | - | 50 pF | 50 pF | - | 50 pF |
| method of packing | - | TUBE | - | TUBE | TUBE | - | TUBE |
| Maximum supply current (ICC) | - | 0.08 mA | - | 0.08 mA | 0.08 mA | - | 0.08 mA |
| Schmitt trigger | - | N | - | N | N | - | N |
| Base Number Matches | - | 1 | 1 | 1 | 1 | - | 1 |
| Humidity sensitivity level | - | - | 1 | - | 1 | 1 | 1 |