U74AHC373

UNISONIC TECHNOLOGIES CO., LTD U74AHC373 OCTAL TRANSPARENT D-TYPE LATCHES WITH 3-STATE OUTPUTS  DESCRIPTION The U74AHC373 is an octal transparent D-type latch with 3-state outputs, and it has 8 channels. When the OE input is low and the LE input is high, the Q outputs follow the D inputs. When OE is low and LE is low, the Q outputs are latched at the logic levels of the D inputs. When the OE input is high, the outputs are in the high-impedance. The OE does not affect the internal operations of the latches. Old data can be retained or new data can be entered while 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 pull-up resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver.  FEATURES * Operate from 2V to 5.5V * Inputs Accept Voltages to 5.5V * Max tPD of 13.5ns at VCC=3.3V, CL=15pF * Typ VOL< 0.36V at VCC=3V, IOL=4mA, TA=25°C * Typ VOH> 2.58V at VCC=3V, IOH=-4mA, TA=25°C  ORDERING INFORMATION Ordering Number U74AHC373G-R20-T U74AHC373G-P20-R Package SSOP-20 TSSOP-20 CMOS IC Packing Tube Tape Reel  MARKING www.unisonic.com.tw Copyright © 2015 Unisonic Technologies Co., Ltd 1 of 6 QW-R502-669.C U74AHC373  PIN CONFIGURATION OE 1Q 1D 2D 2Q 3Q 3D 4D 4Q GND 1 2 3 4 5 6 7 8 9 10 20 VCC 19 8Q 18 8D 17 7D 16 7Q 15 6Q 14 6D 13 5D 12 5Q 11 LE  FUNCTION TABLE INPUTS( OE ) INPUTS(LE) INPUTS(D) L HH LHL LLX HXX Not...