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74221 数据手册 ( 数据表 ) - Fairchild Semiconductor
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Fairchild Semiconductor
The MM74HC221A high speed monostable multivibrators (one shots) utilize advanced silicon-gate CMOS technology. They feature speeds comparable to low power Schottky TTL circuitry while retaining the low power and high noise immunity characteristic of CMOS circuits.
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Dual Monostable Multivibrators (with Schmitt Trigger Input)
Hitachi -> Renesas Electronics
Dual Monostable Multivibrators (with Schmitt Trigger Input)
NXP Semiconductors.
Dual Monostable Multivibrators (with Schmitt Trigger Input)
Renesas Electronics
Dual Monostable Multivibrators (with Schmitt Trigger Input)
Philips Electronics
DUAL MONOSTABLE MULTIVIBRATORS WITH SCHMITT-TRIGGER INPUTS
Motorola => Freescale
Dual Monostable Multivibrators with Schmitt−Trigger Inputs
ON Semiconductor
DUAL MONOSTABLE MULTIVIBRATORS WITH SCHMITT-TRIGGER INPUTS
Motorola => Freescale
Dual Monostable Multivibrators with Schmitt-Trigger Inputs
ON Semiconductor
Dual Monostable Multivibrators
Renesas Electronics
Dual Monostable Multivibrators
Hitachi -> Renesas Electronics
