74LV123
Dual retriggerable monostable multivibrator with reset
The 74LV123 is a dual retriggerable monostable multivibrator with reset. The basic output pulse width is programmed by selection of external components (REXT and CEXT). Once triggered this basic pulse width may be extended by retriggering either of the edge triggered inputs (nA or (nB). By repeating this process, the output pulse period (nQ = HIGH, nQ = LOW) can be made as long as desired. Alternatively, an output delay can be terminated at any time by a LOW-going edge on input nRD. Control inputs include clamp diodes. This enables the use of current limiting resistors to interface inputs to voltages in excess VCC. Schmitt-trigger action at nA and nB inputs makes the circuit tolerant of slower input rise and fall times.
Features and benefits
Wide supply voltage range from 1.0 V to 5.5 V
CMOS low power dissipation
Latch-up performance exceeds 100 mA per JESD 78 Class II Level B
Optimized for low-voltage applications: 1.0 V to 3.6 V
Accepts TTL input levels between VCC = 2.7 V and VCC = 3.6 V
Typical output ground bounce: < 0.8 V at VCC = 3.3 V and Tamb = 25 °C
Typical HIGH-level output voltage (VOH) undershoot: > 2 V at VCC = 3.3 V and Tamb = 25 °C
DC triggered from active HIGH or active LOW inputs
Retriggerable for very long pulses up to 100 % duty factor
Direct reset terminates output pulses
Schmitt-trigger action on all inputs except for the reset input
Complies with JEDEC standards:
- JESD8-7 (1.65 V to 1.95 V)
- JESD8-5 (2.3 V to 2.7 V)
- JESD8C (2.7 V to 3.6 V)
- JESD36 (4.5 V to 5.5 V)
ESD protection:
HBM: ANSI/ESDA/JEDEC JS-001 class 2 exceeds 2000 V
CDM: ANSI/ESDA/JEDEC JS-002 class C3 exceeds 1000 V
Multiple package options
Specified from -40 °C to +85 °C and from -40 °C to +125 °C
Parametrics
Package
Type number | Orderable part number, (Ordering code (12NC)) | Status | Marking | Package | Package information | Reflow-/Wave soldering | Packing |
---|---|---|---|---|---|---|---|
74LV123BQ | 74LV123BQ,115 (935284317115) |
Active | LV123 |
DHVQFN16 (SOT763-1) |
SOT763-1 | SOT763-1_115 | |
74LV123D | 74LV123D,118 (935210250118) |
Active | 74LV123D |
SO16 (SOT109-1) |
SOT109-1 |
SO-SOJ-REFLOW
SO-SOJ-WAVE WAVE_BG-BD-1 |
SOT109-1_118 |
74LV123PW | 74LV123PW,118 (935210280118) |
Active | LV123 |
TSSOP16 (SOT403-1) |
SOT403-1 |
SSOP-TSSOP-VSO-WAVE
|
SOT403-1_118 |
All type numbers in the table below are discontinued.
Type number | Orderable part number, (Ordering code (12NC)) | Status | Marking | Package | Package information | Reflow-/Wave soldering | Packing |
---|---|---|---|---|---|---|---|
74LV123D | 74LV123D,112 (935210250112) |
Withdrawn / End-of-life | 74LV123D |
SO16 (SOT109-1) |
SOT109-1 |
SO-SOJ-REFLOW
SO-SOJ-WAVE WAVE_BG-BD-1 |
SOT109-1_112 |
74LV123DB | 74LV123DB,112 (935210260112) |
Obsolete | LV123 |
SSOP16 (SOT338-1) |
SOT338-1 |
SSOP-TSSOP-VSO-REFLOW
SSOP-TSSOP-VSO-WAVE |
Not available |
74LV123DB,118 (935210260118) |
Withdrawn / End-of-life | LV123 | Not available | ||||
74LV123PW | 74LV123PW,112 (935210280112) |
Withdrawn / End-of-life | LV123 |
TSSOP16 (SOT403-1) |
SOT403-1 |
SSOP-TSSOP-VSO-WAVE
|
Not available |
Environmental information
Type number | Orderable part number | Chemical content | RoHS | RHF-indicator |
---|---|---|---|---|
74LV123BQ | 74LV123BQ,115 | 74LV123BQ | ||
74LV123D | 74LV123D,118 | 74LV123D | ||
74LV123PW | 74LV123PW,118 | 74LV123PW |
All type numbers in the table below are discontinued.
Type number | Orderable part number | Chemical content | RoHS | RHF-indicator |
---|---|---|---|---|
74LV123D | 74LV123D,112 | 74LV123D | ||
74LV123DB | 74LV123DB,112 | 74LV123DB | ||
74LV123DB | 74LV123DB,118 | 74LV123DB | ||
74LV123PW | 74LV123PW,112 | 74LV123PW |
Documentation (22)
File name | Title | Type | Date |
---|---|---|---|
74LV123 | Dual retriggerable monostable multivibrator with reset | Data sheet | 2024-01-15 |
001aae524 | Block diagram: 74LV123BQ, 74LV123D, 74LV123DB, 74LV123N, 74LV123PW | Block diagram | 2009-11-04 |
sv00098 | Block diagram: 74LV123BQ, 74LV123D, 74LV123DB, 74LV123N, 74LV123PW | Block diagram | 2009-11-03 |
SOT763-1 | 3D model for products with SOT763-1 package | Design support | 2019-10-03 |
SOT109-1 | 3D model for products with SOT109-1 package | Design support | 2020-01-22 |
SOT403-1 | 3D model for products with SOT403-1 package | Design support | 2020-01-22 |
Nexperia_package_poster | Nexperia package poster | Leaflet | 2020-05-15 |
DHVQFN16_SOT763-1_mk | plastic, dual in-line compatible thermal enhanced very thin quad flat package; 16 terminals; 0.5 mm pitch; 3.5 mm x 2.5 mm x 0.85 mm body | Marcom graphics | 2017-01-28 |
SO16_SOT109-1_mk | plastic, small outline package; 16 leads; 1.27 mm pitch; 9.9 mm x 3.9 mm x 1.35 mm body | Marcom graphics | 2017-01-28 |
SSOP16_SOT338-1_mk | plastic, shrink small outline package; 16 leads; 0.65 mm pitch; 6.2 mm x 5.3 mm x 2 mm body | Marcom graphics | 2017-01-28 |
TSSOP16_SOT403-1_mk | plastic, thin shrink small outline package; 16 leads; 0.65 mm pitch; 5 mm x 4.4 mm x 1.1 mm body | Marcom graphics | 2017-01-28 |
SOT763-1 | plastic, leadless dual in-line compatible thermal enhanced very thin quad flat package; 16 terminals; 0.5 mm pitch; 3.5 mm x 2.5 mm x 1 mm body | Package information | 2023-05-11 |
SOT109-1 | plastic, small outline package; 16 leads; 1.27 mm pitch; 9.9 mm x 3.9 mm x 1.75 mm body | Package information | 2023-11-07 |
SOT338-1 | plastic, shrink small outline package; 16 leads; 0.65 mm pitch; 6.2 mm x 5.3 mm x 2 mm body | Package information | 2022-06-20 |
SOT403-1 | plastic, thin shrink small outline package; 16 leads; 5 mm x 4.4 mm x 1.2 mm body | Package information | 2023-11-08 |
SO-SOJ-REFLOW | Footprint for reflow soldering | Reflow soldering | 2009-10-08 |
SSOP-TSSOP-VSO-REFLOW | Footprint for reflow soldering | Reflow soldering | 2009-10-08 |
lv | lv Spice model | SPICE model | 2013-05-07 |
Nexperia_Selection_guide_2023 | Nexperia Selection Guide 2023 | Selection guide | 2023-05-10 |
SO-SOJ-WAVE | Footprint for wave soldering | Wave soldering | 2009-10-08 |
WAVE_BG-BD-1 | Wave soldering profile | Wave soldering | 2021-09-08 |
SSOP-TSSOP-VSO-WAVE | Footprint for wave soldering | Wave soldering | 2009-10-08 |
Support
If you are in need of design/technical support, let us know and fill in the answer form we'll get back to you shortly.
Models
File name | Title | Type | Date |
---|---|---|---|
SOT763-1 | 3D model for products with SOT763-1 package | Design support | 2019-10-03 |
SOT109-1 | 3D model for products with SOT109-1 package | Design support | 2020-01-22 |
SOT403-1 | 3D model for products with SOT403-1 package | Design support | 2020-01-22 |
lv | lv Spice model | SPICE model | 2013-05-07 |
Sample
As a Nexperia customer you can order samples via our sales organization.
If you do not have a direct account with Nexperia our network of global and regional distributors is available and equipped to support you with Nexperia samples. Check out the list of official distributors.