54LS221 Datasheet - Motorola => Freescale
MFG CO.

Motorola => Freescale
DUAL MONOSTABLE MULTIVIBRATORS WITH SCHMITT-TRIGGER INPUTS
LOW POWER SCHOTTKY
• SN54LS221 and SN74LS221 is a Dual Highly Stable One-Shot
• Overriding Clear Terminates Output Pulse
• Pin Out is Identical to SN54/74LS123
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Part Name
Description
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MFG CO.
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 (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)
Fairchild Semiconductor
Dual Monostable Multivibrators (with Schmitt Trigger Input)
Philips Electronics
Dual Monostable Multivibrators
Renesas Electronics
Dual Monostable Multivibrators
Hitachi -> Renesas Electronics