SN74LS221N - TI

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

SN74LS221N
Manufacturer

TI
ChipWorker Part#

CW4771408
Category

Flip Flop IC
Package

PDIP-16
Description

TEXAS INSTRUMENTS SN74LS221N Monostable Multivibrator, 74LS221, 45ns, 8mA, 4.75V to 5.25V, DIP-16
Documentation

Datasheet

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SN74LS221N Specifications

Attribute	Attribute Value

Part Number	SN74LS221N
Manufacturer	TI
ChipWorker Part#	CW4771408
Category	Flip Flop IC
Documentation	Datasheet
Mounting Style	Through Hole
Number of Pins	16 Pin
Case/Package	PDIP-16
Digital Logic Level	TTL
Supply Voltage (DC)	4.75V ~ 5.25V
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
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Size-Length	19.3 mm
Size-Width	6.35 mm
Size-Height	4.57 mm
Operating Temperature	0℃ ~ 70℃
Product Lifecycle Status	Active
Packaging	Tube
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
REACH SVHC Compliance	No SVHC
REACH SVHC Compliance Edition	2015/06/15
ECCN Code	EAR99

Product Description

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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