74ALVC16841 Low Voltage 20-Bit Transparent Latch with 3.6V Tolerant Inputs and Outputs

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74ALVC16841 Low Voltage 20-Bit Transparent Latch with 3.6V Tolerant Inputs and Outputs

November 2001 Revised November 2001

74ALVC16841 Low Voltage 20-Bit Transparent Latch with 3.6V Tolerant Inputs and Outputs
General Description
The ALVC16841 contains twenty non-inverting latches with 3-STATE outputs and is intended for bus oriented applications. The device is byte controlled. The flip-flops appear transparent to the data when the Latch enable (LE) is HIGH. When LE is LOW, the data that meets the setup time is latched. Data appears on the bus when the Output Enable (OE) is LOW. When OE is HIGH, the outputs are in a high impedance state. The 74ALVC16841 is designed for low voltage (1.65V to 3.6V) VCC applications with I/O compatibility up to 3.6V. The 74ALVC16841 is fabricated with an advanced CMOS technology to achieve high speed operation while maintaining low CMOS power dissipation.

Features
I 1.65V 3.6V VCC supply operation I 3.6V tolerant inputs and outputs I tPD (Dn to On) 3.5 ns max for 3.0V to 3.6V VCC 3.9 ns max for 2.3V to 2.7V VCC 6.8 ns max for 1.65V to 1.95V VCC I Power-off high impedance inputs and outputs I Supports live insertion and withdrawal (Note 1) I Uses patented noise/EMI reduction circuitry I Latchup conforms to JEDEC JED78 I ESD performance: Human body model 2000V Machine model 200V
Note 1: To ensure the high-impedance state during power up or power down, OE should be tied to VCC through a pull-up resistor; the minimum value of the resistor is determined by the current-sourcing capability of the driver.

Ordering Code:
Order Number 74ALVC16841MTD Package Number MTD56 Package Description 56-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 6.1mm Wide

Device also available in Tape and Reel. Specify by appending suffix letter "X" to the ordering code.

Logic Symbol

Pin Descriptions
Pin Names OEn LEn D0 D19 O0 O19 Description Output Enable Input (Active LOW) Latch Enable Input Inputs Outputs

2001 Fairchild Semiconductor Corporation

DS500690

www.fairchildsemi.com

74ALVC16841 Datasheet Fairchild Download PDF

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74ALVC16841 DATASHEET