M54974P Datasheet PDF

MITSUBISHI M54974P Bi-CMOS 12-BIT SERIAL-INPUT LATCHED DRIVER DESCRIPTION The M54974P is a semic...

MITSUBISHI M54974P Bi-CMOS 12-BIT SERIAL-INPUT LATCHED DRIVER DESCRIPTION The M54974P is a semiconductor integrated circuit consisting of 12 stages of CMOS shift registers and latches with serial inputs and serial or parallel outputs. It is based on Bi-CMOS process technology, and has 12 bipolar drivers at the parallel outputs. PIN CONFIGURATION (TOP VIEW) Serial output S-OUT ← Latch input LATCH → Enable input EN → O12 ← O11 ← 1 2 3 4 5 6 7 Driver GND P-GND 8 9 O10 ← 10 O9 ← 11 Parallel outputs O8 ← 12 O7 ← 13 O6 ← 14 28 27 Logic power supply L-GND Logic GND L-VCC Serial input Clock Output power supply 26 ← S-IN 25 ← T 24 23 22 P-VCC FEATURES q Serial input and serial or parallel output q Serial output enables cascade connection q Built-in latch for each stage q Enable input provides output control q Low supply current (standby current ICC≤10µA) q Serial I/O level is compatible with typical CMOS devices q Driver features: High withstand voltage (BVCEO≥30V) Capable of large drive currents (IO(max)=300mA) q Wide operating temperature range Ta=-20 – +75°C Parallel outputs M54974P P-GND Driver GND 21 20 19 → O1 18 → O2 17 → O3 16 → O4 15 → O5 Parallel outputs APPLICATION Dot drivers for thermal print heads. Serial/parallel conversion. Drivers for relay and solenoids. Outline 28P4B registers is shifted sequentially. FUNCTION The M54974P consists of 12 stages of D-type flip flops connected to 12 latches. Data is input to serial input S-IN, and clock...