SL74HC323

SL74HC323 8-Bit Bidirectional Universal Shift Register with Parallel I/O High-Performance Silicon-Gate CMOS The SL74HC323 is identical in pinout to the LS/ALS323. The device inputs are compatible with standard CMOS outputs; with pullup resistors, they are compatible with LS/ALSTTL outputs. The SL74HC323 features a multiplexed parallel input/output data port to active full 8-bit handling in a 20 pin package. Due to the large output drive capability and the 3-state feature, this device is ideally suited for interface with bus lines in a bus-oriented system. ORDERING INFORMATION Two Mode-Select inputs and two Output Enable inputs are used to SL74HC323N Plastic choose the mode of operation as listed in the Function Table. SL74HC323D SOIC Synchronous parallel loading is accomplished by taking both ModeTA = -55° to 125° C for all packages Select lines, S 1 and S 2, high. This places the outputs in the highimpedance state, which permits data applied to the data port to be clocked into the register. Reading out of the register can be accomplished when the outputs are enabled. The active-low synchronous Reset overrides all other inputs. Outputs Directly Interface to CMOS, NMOS, and TTL PIN ASSIGNMENT Operating Voltage Range: 2.0 to 6.0 V Low Input Current: 1.0 µA High Noise Immunity Characteristic of CMOS Devices LOGIC DIAGRAM PIN 20=VCC PIN 10 = GND SLS System Logic Semiconductor SL74HC323 MAXIMUM RATINGS * Symbol VCC VIN VOUT IIN IOUT ICC PD Tstg TL * Parameter DC Su...