Texas Instruments 8416101RA
- Part Number:
- 8416101RA
- Manufacturer:
- Texas Instruments
- Ventron No:
- 6406149-8416101RA
- Description:
- Octal Bus Transceivers
- Datasheet:
- sn54ls640
- Supply voltage (min) (V)4.5
- Supply voltage (max) (V)5.5
- Number of channels8
- IOL (max) (mA)12
- IOH (max) (mA)-12
- Input typeTTL
- Output typeTTL
- FeaturesBalanced outputs
- Technology familyLS
- RatingMilitary
- Operating temperature range (°C)-55 to 125
These octal bus transceivers are designed for asynchronous two-way communication between data buses. The devices transmit data from the A bus to the B bus or from the B bus to the A bus depending upon the level at the direction control (DIR) input. The enable input (G) can be used to disable the device so the buses are effectively isolated.
The -1 versions of the SN74LS640 thru SN74LS642, SN74LS644, and SN74LS645 are identical to the standard versions except that the recommended maximum IOL is increased to 48 milliamperes. There are no -1 versions of the SN54LS640 thru SN54LS642, SN54LS644, and SN54LS645.
The SN54LS640 thru SN54LS642, SN54LS644, and SN54LS645 are characterized for operation over the full military tempearture range of 55°C to 125°C. The SN74LS640 thru SN74LS642, SN74LS644, and SN74LS645 are characterized for operation from 0°C to 70°C.
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