TYPE | DESCRIPTION |
---|
Mounting Style | Through Hole |
Number of Pins | 16 Pin |
Digital Logic Level | TTL |
Supply Voltage (DC) | 4.75V ~ 5.25V |
Case/Package | PDIP-16 |
Output Current | 8 mA |
Supply Current | 4.70 mA |
Number of Circuits | 2 Circuit |
Number of Positions | 16 Position |
Number of Bits | 2 Bit |
Voltage Nodes | 5.00 V |
Rise Time | 15 ns |
Fall Time | 6 ns |
Operating Temperature (Max) | 70 ℃ |
Operating Temperature (Min) | 0 ℃ |
Supply Voltage | 4.75V ~ 5.25V |
Supply Voltage (Max) | 5.25 V |
Supply Voltage (Min) | 4.75 V |
TYPE | DESCRIPTION |
---|
Product Lifecycle Status | Active |
Packaging | Tube |
Size-Length | 19.3 mm |
Size-Width | 6.35 mm |
Size-Height | 4.57 mm |
Operating Temperature | 0℃ ~ 70℃ |
The SN74LS221N is a dual Monostable Multivibrator with schmitt-trigger inputs. Its performance characteristics virtually identical to those of the "121 devices. Each multivibrator features a negative-transition- triggered input and a positive-transition-triggered input, either of which can be used as an inhibit input. Pulse triggering occurs at a particular voltage level and is not directly related to the transition time of the input pulse. Schmitt-trigger input circuitry for B input allows jitter-free triggering from inputs with transition rates as slow as 1V/s, providing the circuit with excellent noise immunity, typically of 1.2V. A high immunity to VCC noise, typically of 1.5V, is also provided by internal latching circuitry. Once fired, the outputs are independent of further transitions of the A and B inputs and are a function of the timing components or the output pulses can be terminated by the overriding clear. Input pulses can be of any duration relative to the output pulse.
● Overriding clear terminates output pulse
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Dual monostable multivibrators with Schmitt-trigger inputs
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TEXAS INSTRUMENTS SN74LS221N Monostable Multivibrator, 74LS221, 45ns, 8mA, 4.75V to 5.25V, DIP-16
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TEXAS INSTRUMENTS SN74LS221D Monostable Multivibrator, 74LS221, 45ns, 8mA, 4.75V to 5.25V, SOIC-16
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TEXAS INSTRUMENTS SN74LS221DBR IC, MULTIVIBRATOR, SMD, SSOP16, 5V
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Monostable Multivibrator Dual 0°C 70℃ 16Pin SOIC Tube
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