74ACT16543

54ACT16543, 74ACT16543 16-BIT REGISTERED TRANSCEIVERS WITH 3-STATE OUTPUTS SCAS126B – MARCH 1990 – REVISED APRIL 1996 D Members of the Texas Instruments Widebus ™ Family D Inputs Are TTL-Voltage Compatible D 3-State True Outputs D Flow-Through Architecture Optimizes PCB Layout D Distributed VCC and GND Pin Configurations Minimize High-Speed Switching Noise D EPICt (Enhanced-Performance Implanted CMOS) 1-mm Process D 500-mA Typical Latch-Up Immunity at 125°C D Package Options Include Plastic Thin Shrink Small-Outline (DGG) and 300-mil Shrink Small-Outline (DL) Packages Using 25-mil Center-to-Center Pin Spacings, and 380-mil Fine-Pitch Ceramic Flat (WD) Packages Using 25-mil Center-to-Center Pin Spacings description The ’ACT16543 are 16-bit registered transceivers that contain two sets of D-type latches for temporary storage of data flowing in either direction. The ’ACT16543 can be used as two 8-bit transceivers or one 16-bit transceiver. 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. 54ACT16543 . . . WD PACKAGE 74ACT16543 . . . DGG OR DL PACKAGE (TOP VIEW) 1OEAB 1 1LEAB 2 1CEAB 3 GND 4 1A1 5 1A2 6 VCC 7 1A3 8 1A4 9 1A5 10 GND 11 1A6 12 1A7 13 1A8 14 2A1 15 2A2 16 2A3 17 GND 18 2A4 19 2A5 20 2A6 21 VCC 22 2A7 23 2A8 24 GND 25 2CEAB 26 2LEAB 27 2OEAB 28 56 1OEBA 55 1LEBA 54 1CEBA 53 GND 52 1B1 51 1B2 50 VCC 49 1B3 48 1B4 47 1B5 46 GND 45 1B6 44 1B7 43 ...