Texas Instruments SN74LS640-1N, 1 Bus Transceiver, 8-Bit Inverting TTL, 20-Pin PDIP
- RS Stock No.:
- 145-1078
- Mfr. Part No.:
- SN74LS640-1N
- Manufacturer:
- Texas Instruments
Discontinued product
- RS Stock No.:
- 145-1078
- Mfr. Part No.:
- SN74LS640-1N
- Manufacturer:
- Texas Instruments
Technical data sheets
Legislation and Compliance
Product Details
74LS Family Bus Transceivers, Texas Instruments
Texas Instruments range of Bus Transceivers from the 74LS Family of Low Power Schottky Logic ICs. The 74LS Family use bipolar junction technology coupled with Schottky diode clamps to achieve operating speeds equal to the original 74TTL family but with much lower power consumption.
74LS Family
Specifications
Attribute | Value |
|---|---|
| Logic Family | LS |
| Logic Function | Bus Transceiver |
| Number of Elements per Chip | 1 |
| Number of Channels per Chip | 8 |
| Polarity | Inverting |
| Mounting Type | Through Hole |
| Package Type | PDIP |
| Pin Count | 20 |
| Input Level | TTL |
| Output Level | TTL |
| Maximum High Level Output Current | -15mA |
| Maximum Low Level Output Current | 48mA |
| Maximum Propagation Delay Time @ Maximum CL | 15 ns @ 5 V |
| Maximum Operating Supply Voltage | 5.25 V |
| Minimum Operating Temperature | 0 °C |
| Maximum Operating Temperature | +70 °C |
| Length | 24.33mm |
| Propagation Delay Test Condition | 45pF |
| Dimensions | 24.33 x 6.35 x 4.57mm |
| Minimum Operating Supply Voltage | 4.75 V |
| Width | 6.35mm |
| Height | 4.57mm |