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SN74SSTL16837ADGG Arkusz danych(PDF) 1 Page - Texas Instruments |
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SN74SSTL16837ADGG Arkusz danych(HTML) 1 Page - Texas Instruments |
1 / 6 page SN74SSTL16837A 20-BIT SSTL_3 INTERFACE UNIVERSAL BUS DRIVER WITH 3-STATE OUTPUTS SCBS675G – SEPTEMBER 1996 – REVISED SEPTEMBER 1998 1 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 D Member of the Texas Instruments Widebus ™ Family D Supports SSTL_3 Signal Inputs and Outputs D Flow-Through Architecture Optimizes PCB Layout D Meets SSTL_3 Class I and Class II Specifications D Latch-Up Performance Exceeds 250 mA Per JESD 17 D Packaged in Plastic Thin Shrink Small-Outline Package description This 20-bit universal bus driver is designed for 3-V to 3.6-V VCC operation and SSTL_3 or LVTTL I/O levels. Data flow from A to Y is controlled by the output-enable (OE) input. The device operates in the transparent mode when latch enable (LE) is high. The A data is latched if LE is low and clock (CLK) is held at a high or low logic level. If LE is low, the A data is stored in the latch/flip-flop on the low-to-high transition of CLK. When OE is high, the outputs are in the high-impedance state. To ensure the high-impedance state during power up or power down, OE should be tied to VCC through a pullup resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver. The SN74SSTL16837A is characterized for operation from 0 °C to 70°C. Copyright © 1998, Texas Instruments Incorporated Widebus is a trademark of Texas Instruments Incorporated. Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. DGG PACKAGE (TOP VIEW) 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 Y1 Y2 GND Y3 Y4 VDDQ Y5 Y6 GND Y7 Y8 VDDQ Y9 Y10 GND OE VREF GND Y11 Y12 VDDQ Y13 Y14 GND Y15 Y16 VDDQ Y17 Y18 GND Y19 Y20 A1 A2 GND A3 A4 VCC A5 A6 GND A7 A8 VCC A9 A10 GND CLK LE GND A11 A12 VCC A13 A14 GND A15 A16 VCC A17 A18 GND A19 A20 PRODUCTION DATA information is current as of publication date. Products conform to specifications per the terms of Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
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