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74LVC1G123GN Datasheet Preview

74LVC1G123GN Datasheet

Single retriggerable monostable multivibrator

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74LVC1G123
Single retriggerable monostable multivibrator;
Schmitt trigger inputs
Rev. 6 — 2 November 2018
Product data sheet
1. General description
The 74LVC1G123 is a single retriggerable monostable multivibrator with Schmitt trigger inputs.
Output pulse width is controlled by three methods:
1. The basic pulse is programmed by selection of an external resistor (REXT) and capacitor (CEXT).
2. Once triggered, the basic output pulse width may be extended by retriggering the gated active
LOW-going edge input (A) or the active HIGH-going edge input (B). By repeating this process,
the output pulse period (Q = HIGH) can be made as long as desired. Alternatively an output
delay can be terminated at any time by a LOW-going edge on input CLR, which also inhibits the
triggering.
3. An internal connection from CLR to the input gates makes it possible to trigger the circuit by a
HIGH-going signal at input CLR.
Inputs can be driven from either 3.3 V or 5 V devices. This feature allows the use of these devices
as translators in a mixed 3.3 V and 5 V environment. Schmitt trigger inputs, makes the circuit highly
tolerant to slower input rise and fall times.
This device is fully specified for partial power-down applications using IOFF. The IOFF circuitry
disables the output, preventing the damaging backflow current through the device when it is
powered down.
2. Features and benefits
Wide supply voltage range from 1.65 V to 5.5 V
High noise immunity
±24 mA output drive (VCC = 3.0 V)
CMOS low power consumption
DC triggered from active HIGH or active LOW inputs
Retriggerable for very long pulses up to 100 % duty factor
Direct reset terminates output pulse
Schmitt trigger on all inputs
Complies with JEDEC standard:
JESD8-7 (1.65 V to 1.95 V)
JESD8-5 (2.3 V to 2.7 V)
JESD8-B/JESD36 (2.7 V to 3.6 V)
Power-on-reset on outputs
Latch-up performance exceeds 100 mA
Direct interface with TTL levels
Inputs accept voltages up to 5.5 V
ESD protection:
HBM JESD22-A114F exceeds 2000 V
MM JESD22-A115-A exceeds 200 V
CDM JESD22-C101E exceeds 1000 V
Multiple package options
Specified from -40 °C to +85 °C and -40 °C to +125 °C




nexperia

74LVC1G123GN Datasheet Preview

74LVC1G123GN Datasheet

Single retriggerable monostable multivibrator

No Preview Available !

Nexperia
74LVC1G123
Single retriggerable monostable multivibrator; Schmitt trigger inputs
3. Ordering information
Table 1. Ordering information
Type number
Package
Temperature range Name Description
Version
74LVC1G123DP
-40 °C to +125 °C TSSOP8 plastic thin shrink small outline package; 8 leads; SOT505-2
body width 3 mm; lead length 0.5 mm
74LVC1G123DC
-40 °C to +125 °C VSSOP8 plastic very thin shrink small outline package;
8 leads; body width 2.3 mm
SOT765-1
74LVC1G123GT
-40 °C to +125 °C XSON8 plastic extremely thin small outline package;
no leads; 8 terminals; body 1 x 1.95 x 0.5 mm
SOT833-1
74LVC1G123GF
-40 °C to +125 °C XSON8 extremely thin small outline package; no leads; SOT1089
8 terminals; body 1.35 x 1 x 0.5 mm
74LVC1G123GN
-40 °C to +125 °C XSON8 extremely thin small outline package; no leads; SOT1116
8 terminals; body 1.2 x 1.0 x 0.35 mm
74LVC1G123GS
-40 °C to +125 °C XSON8 extremely thin small outline package; no leads; SOT1203
8 terminals; body 1.35 x 1.0 x 0.35 mm
4. Marking
Table 2. Marking codes
Type number
74LVC1G123DP
74LVC1G123DC
74LVC1G123GT
74LVC1G123GF
74LVC1G123GN
74LVC1G123GS
Marking code[1]
Y3
Y3
Y3
Y3
Y3
Y3
[1] The pin 1 indicator is located on the lower left corner of the device, below the marking code.
5. Functional diagram
1A
2B
3 CLR
CEXT 6
REXT/CEXT 7
QQ
5
R
Fig. 1. Logic symbol
aaa-001871
74LVC1G123
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 6 — 2 November 2018
© Nexperia B.V. 2018. All rights reserved
2 / 25


Part Number 74LVC1G123GN
Description Single retriggerable monostable multivibrator
Maker nexperia
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74LVC1G123GN Datasheet PDF






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