M74HC123B1R STMicroelectronics, M74HC123B1R Datasheet
M74HC123B1R
Specifications of M74HC123B1R
Available stocks
Related parts for M74HC123B1R
M74HC123B1R Summary of contents
Page 1
... STATE. If the next trigger pulse occurs during the MONOSTABLE MONOSTABLE period longer. Limit for values of Cx and LIMIT because of the All inputs are equipped with protection circuits against static discharge and transient excess voltage. M74HC123 DIP SOP TUBE M74HC123B1R M74HC123M1R M74HC123RM13TR M74HC123TTR period it < 3. > 3. TSSOP T & R ...
Page 2
M74HC123 INPUT AND OUTPUT EQUIVALENT CIRCUIT TRUTH TABLE INPUTS Don’t Care 2/12 PIN DESCRIPTION PIN 13, 5 14, 6 ...
Page 3
SYSTEM DIAGRAM This logic diagram has not be used to estimate propagation delays TIMING CHART M74HC123 3/12 ...
Page 4
M74HC123 BLOCK DIAGRAM (1) Cx, Rx, Dx are external components. ( clamping diode. The external capacitor is charged to Vcc in the stand-by-state, i.e. no trigger. When the supply voltage is turned off scharged ...
Page 5
ABSOLUTE MAXIMUM RATINGS Symbol V Supply Voltage Input Voltage Output Voltage Input Diode Current Output Diode Current Output Current ...
Page 6
M74HC123 DC SPECIFICATIONS Symbol Parameter V V High Level Input IH Voltage V Low Level Input IL Voltage V High Level Output OH Voltage V Low Level Output OL Voltage I Input Leakage I Current I Quiescent Supply CC Current ...
Page 7
AC ELECTRICAL CHARACTERISTICS (C Symbol Parameter Output Transition TLH THL Time t t Propagation Delay PLH PHL Time ( Propagation Delay PLH PHL Time(CLR TRIGGER - Propagation ...
Page 8
M74HC123 TEST CIRCUIT C = 50pF or equivalent (includes jig and probe capacitance pulse generator (typically OUT WAVEFORM : SWITCIHNG CHARACTERISTICS TEST WAVEFORM (f=1MHz; 50% duty cycle) 8/12 ...
Page 9
Plastic DIP-16 (0.25) MECHANICAL DATA mm. DIM. MIN. a1 0. 17. TYP MAX. MIN. 0.020 1.65 0.030 0.5 0.25 20 8.5 2.54 7.1 5.1 3.3 1.27 M74HC123 inch ...
Page 10
M74HC123 DIM. MIN 0 0. 9 3.8 G 4 10/12 SO-16 MECHANICAL DATA mm. TYP MAX. 1.75 0.2 1.65 0.46 0.25 0.5 ...
Page 11
TSSOP16 MECHANICAL DATA DIM. MIN 0.05 A2 0.8 b 0.19 c 0.09 D 4.9 E 6 0° PIN 1 IDENTIFICATION 1 mm. TYP MAX. 1.2 0.15 1 1.05 ...
Page 12
... No license is granted by implication or otherwise under any patent or patent rights of STMicroelectronics. Specifications mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied ...