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The ABT16543 16-bit transceiver contains two sets of Dtype latches for temporary storage of data flowing in either direction. Separate Latch Enable and Output Enable inputs are provided for each register to permit independent control of inputting and outputting in either direction of data flow. Each byte has separate control inputs, which can be shorted together for full 16-bit operation.
74ABT16543CMTDX Maximum Ratings
Storage Temperature -65 to +150 Ambient Temperature under Bias -55 to +125 Junction Temperature under Bias -55 to +150 VCC Pin Potential to Ground Pin -0.5V to +7.0V Input Voltage (Note 2) -0.5V to +7.0V Input Current (Note 2) -30 mA to +5.0 mA Voltage Applied to Any Output in the Disable or Power-Off State -0.5V to +5.5V in the HIGH State -0.5V to VCC Current Applied to Output in LOW State (Max) twice the rated IOL (mA) DC Latchup Source Current -500 mA Over Voltage Latchup (I/O) 10V
74ABT16543CMTDX Features
·Back-to-back registers for storage · Bidirectional data path · A and B outputs have current sourcing capability of 32 mA and current sinking capability of 64 mA · Separate control logic for each byte · 16-bit version of the ABT543 · Separate controls for data flow in each direction · Guaranteed latchup protection · High impedance glitch free bus loading during entire power up and power down cycle · Nondestructive hot insertion capability