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Vedi Specifiche Tecniche

SN74LS123N +BOM

28ns 4.75V~5.25V PDIP-16 Monostable Multivibrators ROHS

Produttore:

Texas Instruments
ProduttorePart #:

SN74LS123N
Scheda dati:

SN74LS123N Scheda dati (PDF)
Number Of Channels:

2
Supply Voltage (min) (V):

4.75
Supply Voltage (max) (V):

5.25
Technology Family:

LS
EDA/CAD Modelli:

Richiedi modelli CAD gratuiti per SN74LS123N

SN74LS123N Descrizione generale

These d-c triggered multivibrators feature output pulse-duration control by three methods. The basic pulse time is programmed by selection of external resistance and capacitance values (see typical application data). The '122 and 'LS122 have internal timing resistors that allow the circuits to be used with only an external capacitor, if so desired. Once triggered, the basic pulse duration may be extended by retriggering the gated low-level-active (A) or high-level-active (B) inputs, or be reduced by use of the overriding clear. Figure 1 illustrates pulse control by retriggering and early clear.

The 'LS122 and 'LS123 are provided enough Schmitt hysteresis to ensure jitter-free triggering from the B input with transition rates as slow as 0.1 millivolt per nanosecond.

The R_int is nominally 10 k for '122 and 'LS122.

Caratteristiche principali

D-C Triggered from Active-High or Active-Low Gated Logic Inputs
Retriggerable for Very Long Output Pulses, Up to 100% Duty Cycle
Overriding Clear Terminates Output Pulse
'122 and 'LS122 Have Internal Timing Resistors

Applicazione

Pulse Generation: Used to generate precise and controlled pulse widths.
Timing Circuits: Employed in digital systems requiring precise timing control.
Signal Synchronization: Used for synchronization purposes in digital circuits.
Waveform Generation: Utilized in waveform shaping and generation applications.

Specifiche

Number of channels	2	Supply voltage (min) (V)	4.75
Supply voltage (max) (V)	5.25	Technology family	LS
Input type	Bipolar	Output type	Push-Pull
Supply current (µA)	20000	IOL (max) (mA)	8
IOH (max) (mA)	-0.4	Features	Retriggerable, Standard speed (tpd > 50ns)
Operating temperature range (°C)	0 to 70	Rating	Catalog
feature-logic-family	LS	feature-logic-function	Monostable Multivibrator
feature-number-of-elements-per-chip	2	feature-process-technology	Bipolar
feature-maximum-high-level-output-current-ma	-0.4	feature-maximum-low-level-output-current-ma	8
feature-minimum-operating-supply-voltage-v	4.75	feature-maximum-operating-supply-voltage-v	5.25
feature-packaging	Tube	feature-rad-hard	No
feature-pin-count	16	feature-cecc-qualified	No
feature-esd-protection		feature-escc-qualified
feature-military	No	feature-aec-qualified	No
feature-aec-qualified-number		feature-auto-motive	No
feature-p-pap	No	feature-eccn-code	EAR99
feature-svhc	No	feature-svhc-exceeds-threshold	No

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