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SN74LV221A-Q1
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SCLS692A – OCTOBER 2005 – REVISED APRIL 2008
DUAL MONOSTABLE MULTIVIBRATOR WITH SCHMITT-TRIGGER INPUTS
Check for Samples: SN74LV221A-Q1
FEATURES
1
• Qualified for Automotive Applications
• 2-V to 5.5-V VCC Operation • Supports Mixed-Mode Voltage Operation on
All Ports
• Schmitt-Trigger Circuitry on A, B, and CLR Inputs for Slow Transition Rates
• Overriding Clear Terminates Output Pulse
• Glitch-Free Power-Up Reset on Outputs
• Ioff Supports Partial-Power-Down Mode Operation
PW PACKAGE (TOP VIEW)
1A 1B 1CLR 1Q 2Q 2Cext 2Rext/Cext GND
1 2 3 4 5 6 7 8
16 VCC 15 1Rext/Cext 14 1Cext 13 1Q 12 2Q
11 2CLR 10 2B 9 2A
DESCRIPTION/ORDERING INFORMATION
The SN74LV221A is a dual multivibrator designed for 2-V to 5.5-V VCC operation.