74VHC123ASJX Fairchild Semiconductor, 74VHC123ASJX Datasheet
![MULTIVIBRATOR DUAL MONO 16SOP](/photos/6/56/65606/16-sop_pkg_sml.jpg)
74VHC123ASJX
Specifications of 74VHC123ASJX
Available stocks
Related parts for 74VHC123ASJX
74VHC123ASJX Summary of contents
Page 1
... M16D 74VHC123AMTC MTC16 Surface mount packages are also available on Tape and Reel. Specify by appending the suffix letter “X” to the ordering number. ©1993 Fairchild Semiconductor Corporation 74VHC123A Rev. 1.2 General Description 25°C The VHC123A is an advanced high speed CMOS A Monostable Multivibrator fabricated with silicon gate 4µ ...
Page 2
... Connection Diagram Pin Description Pin Names Description A Trigger Inputs (Negative Edge) B Trigger Inputs (Positive Edge) CLR Reset Inputs C External Capacitor x R External Resistor Outputs ©1993 Fairchild Semiconductor Corporation 74VHC123A Rev. 1.2 Logic Symbol IEEE/IEC Truth Table Inputs Outputs A B CLR HIGH Voltage Level ...
Page 3
... the event a system does not satisfy the above condition, an external clamping diode (D from rush current. ©1993 Fairchild Semiconductor Corporation 74VHC123A Rev. 1 level in the wait state, i.e. when no trigger is applied. ...
Page 4
... System Diagram Timing Chart ©1993 Fairchild Semiconductor Corporation 74VHC123A Rev. 1.2 4 www.fairchildsemi.com ...
Page 5
... When R /C reaches the internal refer ence voltage V H, the output of C ref ©1993 Fairchild Semiconductor Corporation 74VHC123A Rev. 1.2 the output Q goes LOW and C That means, after triggering, when the voltage level the R MONOSTABLE state. With large values of C ...
Page 6
... Notes: 1. Unused inputs must be held HIGH or LOW. They may not float. 2. The maximum allowable values of C and leakage due to board layout and surface resistance. Susceptibility to externally induced noise signals may occur for ©1993 Fairchild Semiconductor Corporation 74VHC123A Rev. 1.2 Parameter (1) Parameter x x ...
Page 7
... V LOW Level Output OL Voltage I Input Leakage IN Current Terminal Off-State Current I Quiescent Supply CC Current (3) I Active—State CC Supply Current Note: 3. Per circuit. ©1993 Fairchild Semiconductor Corporation 74VHC123A Rev. 1.2 (V) Conditions Min. CC 2.0 1.50 0 2.0 2 –50µA 1 3.0 2.9 4.5 4.4 3.0 I –4mA 2 ...
Page 8
... PD consumption without load. Average operating current can be obtained by the equation: I (opr.) C • V • IN Active Supply Current CC Duty: % ©1993 Fairchild Semiconductor Corporation 74VHC123A Rev. 1.2 (4) V (V) Conditions CC 3.3 ± 0 5.0 ± 0 ...
Page 9
... AC Operating Requirement Symbol Parameter t (L), t (H) Minimum Trigger W W Pulse Width t (L) Minimum Clear W Pulse Width t Minimum Retrigger RR Time Note: 6. Refer to Timing Chart. ©1993 Fairchild Semiconductor Corporation 74VHC123A Rev. 1.2 ( (V) Conditions Min. CC 3.3 5.0 5.0 5.0 3.3 5.0 5.0 5.0 3.3 ± 0 ...
Page 10
... Device Characteristics t *C Characteristics (Typ.) wout x Output Pulse Width Constant K-Supply Voltage (Typ.) ©1993 Fairchild Semiconductor Corporation 74VHC123A Rev. 1 Characteristics (Typ Input Equivalent Circuit 10 www.fairchildsemi.com ...
Page 11
... Physical Dimensions Dimensions are in millimeters unless otherwise noted. Figure 1. 16-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150" Narrow ©1993 Fairchild Semiconductor Corporation 74VHC123A Rev. 1.2 Package Number M16A 11 www.fairchildsemi.com ...
Page 12
... Physical Dimensions (Continued) Dimensions are in millimeters unless otherwise noted. Figure 2. 16-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide ©1993 Fairchild Semiconductor Corporation 74VHC123A Rev. 1.2 Package Number M16D 12 www.fairchildsemi.com ...
Page 13
... Physical Dimensions (Continued) Dimensions are in millimeters unless otherwise noted. 5.00±0.10 4.55 0.11 MTC16rev4 Figure 3. 16-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide ©1993 Fairchild Semiconductor Corporation 74VHC123A Rev. 1.2 0.65 4.4±0.1 1.45 Package Number MTC16 13 5.90 4 ...
Page 14
... TRADEMARKS The following are registered and unregistered trademarks Fairchild Semiconductor owns or is authorized to use and is not intended exhaustive list of all such trademarks. ® ACEx Across the board. Around the world.™ ActiveArray™ Bottomless™ Build it Now™ CoolFET™ CROSSVOLT™ ...