Description
The DM54 74121 is a monostable multivibrator featuring both positive and negative edge triggering with complementary outputs An internal 2kX timing resistor is provided for design convenience minimizing component count and layout problems This device can be used with a single external capacitor Inpu
Features
- Y Y
Triggered from active-high transition or active-low transition inputs Variable pulse width from 30 ns to 28 seconds
Connection Diagram
Dual-In-Line Package
Function Table
Inputs A1 L X X H H A2 X L X H B H H L X H H H Q L L L L Outputs Q H H H H
v
H
v v
L X
H L X
TL F 6538.
- 1
v
X L
u u
e High Logic Level e Low Logic Level e Can Be Either Low or High e Positive Going Transition e Negative Going Transition e A Positive Pulse e A Negative Pulse
u v
Order Number 54121DMQB 5412.
54121 Datasheet
