74373 IC Eight Latches with 3-State Outputs

Description

The 74HC373 high speed octal D-type latches utilize advanced silicon-gate CMOS technology. They possess the high noise immunity and low power consumption of standard CMOS integrated circuits, as well as the ability to drive 15 LS-TTL loads. Due to the large output drive capability and the 3-STATE feature, these devices are ideally suited for interfacing with bus lines in a bus organized system. When the LATCH ENABLE input is HIGH, the Q outputs will follow the D inputs. When the LATCH ENABLE goes LOW, data at the D inputs will be retained at the outputs until LATCH ENABLE returns HIGH again. When a high logic level is applied to the OUTPUT CONTROL input, all outputs go to a high impedance state, regardless of what signals are present at the other inputs and the state of the storage elements. The 74HC logic family is speed, function, and pin-out compatible with the standard 74LS logic family. All inputs are protected from damage due to static discharge by internal diode clamps to VCC and ground. Features:- Typical propagation delay: 18 ns Wide operating voltage range: 2 to 6 volts Low input current: 1 µA maximum Low quiescent current: 80 µA maximum (74 Series) Output drive capability: 15 LS-TTL loads Specifications:- Parameter Specification Supply Voltage (VCC − 0.5 to + 7.0V Input Voltage (VIN) −1.5VCC + 1.5V Output Voltage (VOUT) − 0.5 to VCC + 0.5V Clamp Diode Current (IIK, IOK) ± 20 mA DC Output Current, per pin (IOUT) ± 35 mA DC VCC or GND Current, per pin (ICC) ± 70 mA Storage Temperature Range (TSTG) − 65°C to + 150°C Power Dissipation (PD) (Note 4) 600 mW S.O. Package only 500 mW Lead Temperature (TL) (Soldering 10 seconds) 260°C Related Document:- 74HC373 IC Datasheet

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