74ABT16543 Series

16-Bit Registered Transceivers With 3-State Outputs

Catalog

16-Bit Registered Transceivers With 3-State Outputs

Part	Current - Output High, Low [custom]	Current - Output High, Low [custom]	Package / Case [x]	Package / Case	Package / Case [y]	Number of Elements	Output Type	Voltage - Supply [Max]	Voltage - Supply [Min]	Number of Bits per Element [custom]	Operating Temperature [Max]	Operating Temperature [Min]	Supplier Device Package	Mounting Type
Texas Instruments SN74ABT16543DLR	64 mA	32 mA	0.295 in	56-BSSOP	7.5 mm	2	3-State	5.5 V	4.5 V	8	85 C	-40 ¯C	56-SSOP	Surface Mount
Texas Instruments SN74ABT16543DGGR	64 mA	32 mA	0.24 in	56-TFSOP	6.1 mm	2	3-State	5.5 V	4.5 V	8	85 C	-40 ¯C	56-TSSOP	Surface Mount
Texas Instruments 74ABT16543DGGR	64 mA	32 mA	0.24 in	56-TFSOP	6.1 mm	2	3-State	5.5 V	4.5 V	8	85 C	-40 ¯C	56-TSSOP	Surface Mount
Texas Instruments 74ABT16543DGGRG4	64 mA	32 mA	0.24 in	56-TFSOP	6.1 mm	2	3-State	5.5 V	4.5 V	8	85 C	-40 ¯C	56-TSSOP	Surface Mount
Texas Instruments SN74ABT16543DL	64 mA	32 mA	0.295 in	56-BSSOP	7.5 mm	2	3-State	5.5 V	4.5 V	8	85 C	-40 ¯C	56-SSOP	Surface Mount

Catalog

16-Bit Registered Transceivers With 3-State Outputs

Description

The 'ABT16543 16-bit registered transceivers contain two sets of D-type latches for temporary storage of data flowing in either direction. The 'ABT16543 can be used as two 8-bit transceivers or one 16-bit transceiver. Separate latch-enable (or) and output-enable (or) inputs are provided for each register to permit independent control in either direction of data flow. The A-to-B enable () input must be low to enter data from A or to output data from B. Ifis low andis low, the A-to-B latches are transparent; a subsequent low-to-high transition ofputs the A latches in the storage mode. Withandboth low, the 3-state B outputs are active and reflect the data present at the output of the A latches. Data flow from B to A is similar but requires using the,, andinputs. To ensure the high-impedance state during power up or power down,should be tied to VCCthrough a pullup resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver. The SN54ABT16543 is characterized for operation over the full military temperature range of -55°C to 125°C. The SN74ABT16543 is characterized for operation from -40°C to 85°C. The 'ABT16543 16-bit registered transceivers contain two sets of D-type latches for temporary storage of data flowing in either direction. The 'ABT16543 can be used as two 8-bit transceivers or one 16-bit transceiver. Separate latch-enable (or) and output-enable (or) inputs are provided for each register to permit independent control in either direction of data flow. The A-to-B enable () input must be low to enter data from A or to output data from B. Ifis low andis low, the A-to-B latches are transparent; a subsequent low-to-high transition ofputs the A latches in the storage mode. Withandboth low, the 3-state B outputs are active and reflect the data present at the output of the A latches. Data flow from B to A is similar but requires using the,, andinputs. To ensure the high-impedance state during power up or power down,should be tied to VCCthrough a pullup resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver. The SN54ABT16543 is characterized for operation over the full military temperature range of -55°C to 125°C. The SN74ABT16543 is characterized for operation from -40°C to 85°C.