* both a negative, A, and a positive, B, transition triggered input, either of which can be used as an inhibit input. Also included is a clear input that when taken low resets the one shot. The MM74HC221A can be triggered on the positive transition of the clear while A is held LOW and B is held HIGH.
MM74HC221A Datasheet (108.83 KB)
MM74HC221A
Fairchild
108.83 KB
Dual non-retriggerable monostable multivibrator.
MM74HC221A Dual Non-Retriggerable Monostable Multivibrator
September 1983 Revised February 1999
MM74HC221A Dual Non-Retriggerable Monostable Multivi.
📁 Related Datasheet
MM74HC240 - Inverting Octal 3-STATE Buffer
(Fairchild)
MM74HC240 Inverting Octal 3-STATE Buffer
September 1983 Revised August 2000
MM74HC240 Inverting Octal 3-STATE Buffer
General Description
The MM74HC2.
MM74HC244 - Octal 3-STATE Buffer
(Fairchild)
MM74HC244 Octal 3-STATE Buffer
September 1983 Revised May 2005
MM74HC244 Octal 3-STATE Buffer
General Description
The MM74HC244 is a non-inverting .
MM74HC244 - Octal 3-STATE Buffer
(ON Semiconductor)
Octal 3-STATE Buffer
MM74HC244
General Description The MM74HC244 is a nonāinverting buffer and has two active low
enables (1G and 2G); each enable i.
MM74HC245A - Octal 3-STATE Transceiver
(Fairchild)
MM74HC245A Octal 3-STATE Transceiver
September 1983 Revised May 2005
MM74HC245A Octal 3-STATE Transceiver
General Description
The MM74HC245A 3-STAT.
MM74HC245A - Octal TRI-STATE Transceiver
(National)
MM54HC245A MM74HC245A Octal TRI-STATE Transceiver
January 1988
MM54HC245A MM74HC245A Octal TRI-STATE Transceiver
General Description
This TRI-STATE .
MM74HC251 - 8-Channel 3-STATE Multiplexer
(Fairchild)
MM74HC251 8-Channel 3-STATE Multiplexer
September 1983 Revised February 1999
MM74HC251 8-Channel 3-STATE Multiplexer
General Description
The MM74HC2.
MM74HC259 - 8-Bit Addressable Latch/3-to-8 Line Decoder
(Fairchild)
MM74HC259 8-Bit Addressable Latch/3-to-8 Line Decoder
September 1983 Revised February 1999
MM74HC259 8-Bit Addressable Latch/3-to-8 Line Decoder
Gen.
MM74HC273 - Octal D-Type Flip-Flops
(Fairchild)
MM74HC273 Octal D-Type Flip-Flops with Clear
September 1983 Revised May 2005
MM74HC273 Octal D-Type Flip-Flops with Clear
General Description
The M.
