Texas Instruments SN74ABT543ADWRG4

Manufacturer No:

SN74ABT543ADWRG4

Manufacturer:

Texas Instruments

Package:

Description:

Octal Registered Transceivers With 3-State Outputs

Quantity:

In Stock :2698

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Expected Shipping：Wed, May 13 - Thu, May 14, 2026

Lead Time：Inquire about availability

Date Code：Within 2 Years

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SN74ABT543ADWRG4 Information

Texas Instruments SN74ABT543ADWRG4 technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments SN74ABT543ADWRG4.

Type
Parameter

Supply voltage (min) (V)
4.5

Supply voltage (max) (V)
5.5

Number of channels
8

IOL (max) (mA)
64

IOH (max) (mA)
-32

Input type
TTL

Output type
TTL

Features
Over-voltage tolerant inputs, Partial power down (Ioff), Very high speed (tpd 5-10ns)

Technology family
ABT

Rating
Catalog

Type
Parameter

Operating temperature range (°C)
-40 to 85

Package
SOIC (DW)

Pins
24

Size
159.65 mm² 15.5 x 10.3

Package
SSOP (DB)

Pins
24

Size
63.96 mm² 8.2 x 7.8

Package
TSSOP (PW)

Pins
24

Size
49.92 mm² 7.8 x 6.4

Download datasheets and manufacturer documentation for Texas Instruments SN74ABT543ADWRG4.

The 'ABT543A octal transceivers contain two sets of D-type latches for temporary storage of data flowing in either direction. Separate latch-enable (LEAB\ or LEBA\) and output-enable (OEAB\ or OEBA\) inputs are provided for each register to permit independent control in either direction of data flow.

The A-to-B enable (CEAB\) input must be low to enter data from A or to output data from B. If CEAB\ is low and LEAB\ is low, the A-to-B latches are transparent; a subsequent low-to-high transition of LEAB\ puts the A latches in the storage mode. With CEAB\ and OEAB\ both 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 CEBA\, LEBA\, and OEBA\ inputs.

To ensure the high-impedance state during power up or power down, OE\ should be tied to V_CC through a pullup resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver.

The SN54ABT543A is characterized for operation over the full military temperature range of -55°C to 125°C. The SN74ABT543A is characterized for operation from -40°C to 85°C.

State-of-the-Art EPIC-II B^TM BiCMOS Design Significantly Reduces Power Dissipation
ESD Protection Exceeds 2000 V Per MIL-STD-883, Method 3015; Exceeds 200 V Using Machine Model (C = 200 pF, R = 0)
Typical V_OLP (Output Ground Bounce) < 1 V at V_CC = 5 V, T_A = 25°C
High-Drive Outputs (-32-mA I_OH, 64-mA I_OL)
Package Options Include Plastic Small-Outline (DW), Shrink Small-Outline (DB), and Thin Shrink Small-Outline (PW) Packages, Ceramic Chip Carriers (FK), Ceramic Flat (W) Package, and Plastic (NT) and Ceramic (JT) DIPs