See datasheet for actual packaging/pinout drawings

Packaging

Package | PIN:

DW | 20

Temp:

C (0 to 70)

ECO Plan:

Green (RoHS & no Sb/Br)

SN74LS645-1DWR


Octal bus transceivers

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Qty.Price
1 - 9 $ 1.90
10 - 24 $ 1.63
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100 - 249 $ 1.31
250 - 499 $ 1.29
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750 - 999 $ 0.89
1000 - 9999 $ 0.77

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Texas Instruments SN74LS645-1DWR

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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