74VHC221AMTCX datasheet
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74VHC221AMTCX onsemi
onsemi
Onsemi pioneers eco-innovations, emboldening worldwide clientele to curtail energy usage. Their diverse array encompasses power, signal management, logic solutions, catering to automotive, communication, computing, consumer, industrial domains. A responsive, reliable supply chain underscores their commitment, encompassing North America, Europe, Asia markets.
View All Product from onsemi■ High Speed: tPD = 8.1ns (Typ.) at VCC = 5V■ Low Power Dissipation: ICC = 4µA (Max.) at TA = 25°C■ Active State: ICC = 600µA (Max.) at TA = 25°C■ High Noise Immunity: VNIH = VNIL = 28% VCC (Min.)■ Power down protection is provided on all inputs■ Pin and function compatible with 74HC221A
The VHC221A is an advanced high speed CMOSMonostable Multivibrator fabricated with silicon gateCMOS technology. It achieves the high speed operationsimilar to equivalent Bipolar Schottky TTL while main-taining the CMOS low power dissipation. Each multi-vibrator features both a negative, A, and a positive, B,transition triggered input, either of which can be used asan inhibit input. Also included is a clear input that whentaken LOW resets the one-shot. The VHC221A can betriggered on the positive transition of the clear while A isheld LOW and B is held HIGH. The VHC221A is non-retriggerable, and therefore cannot be retriggered untilthe output pulse times out. The output pulse width isdetermined by the equation:PW = (Rx)(Cx)where,PW is in seconds, R is in ohms, and C is in farads.Limits for Rx and Cx are:External capacitor, Cx: No limitExternal resistors, Rx: VCC = 2.0V, 5kΩ Min.VCC > 3.0V, 1 kΩ MinAn input protection circuit ensures that 0 to 7V can beapplied to the input pins without regard to the supplyvoltage. This device can be used to interface 5V to 3Vsystems and two supply systems such as battery backup. This circuit prevents device destruction due to mis-matched supply and input voltages.
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TYPE | DESCRIPTION | Select all |
---|---|---|
Voltage - Supply | 2 V ~ 5.5 V | |
Current - Output High, Low | 8mA, 8mA | |
Schmitt Trigger Input | Yes | |
Independent Circuits | 2 | |
Logic Type | Monostable | |
Product Status | Obsolete | |
Package | Tape & Reel (TR) | |
Supplier Device Package | 16-TSSOP | |
Series | 74VHC | |
Package / Case | 16-TSSOP (0.173", 4.40mm Width) | |
Mounting Type | Surface Mount | |
Operating Temperature | -40°C ~ 85°C | |
Propagation Delay | 8.1 ns |
onsemi
Onsemi pioneers eco-innovations, emboldening worldwide clientele to curtail energy usage. Their diverse array encompasses power, signal management, logic solutions, catering to automotive, communication, computing, consumer, industrial domains. A responsive, reliable supply chain underscores their commitment, encompassing North America, Europe, Asia markets.
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