1. general description the 74lvc1g123-q100 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 se lection of an external resistor (r ext ) and capacitor (c ext ). 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 a llows the use of these devices as translators in a mixed 3.3 v a nd 5 v environment. schmitt trigger inputs, makes the circuit highly tolerant to slower input rise and fall times. this device is fully specified for pa rtial power-down ap plications using i off . the i off circuitry disables the output, preventing the damaging backflow current through the device when it is powered down. this product has been qualified to the automotive electronics council (aec) standard q100 (grade 1) and is suitable for use in automotive applications. 2. features and benefits ? automotive product qualif ication in accordance with aec-q100 (grade 1) ? specified from ? 40 ? c to +85 ? c and from ? 40 ? c to +125 ? c ? wide supply voltage range from 1.65 v to 5.5 v ? high noise immunity ? ? 24 ma output drive (v cc =3.0v) ? 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 terminat es output pulse ? schmitt trigger on all inputs 74lvc1g123-q100 single retriggerable monostable mu ltivibrator; schmitt trigger inputs rev. 1 ? 10 march 2014 product data sheet
74lvc1g123_q100 all information provided in this document is subject to legal disclaimers. ? nxp semiconductors n.v. 2014. all ri ghts reserved. product data sheet rev. 1 ? 10 march 2014 2 of 25 nxp semiconductors 74lvc1g123-q100 single retriggerable monostable multivibrator; schmitt trigger 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: ? mil-std-883, method 3015 exceeds 2000 v ? hbm jesd22-a114f exceeds 2000 v ? mm jesd22-a115-a exceeds 200 v (c = 200 pf, r = 0 ? ) ? multiple package options 3. ordering information 4. marking [1] the pin 1 indicator is located on the lower left corner of the device, below the marking code. table 1. ordering information type number package temperature range name description version 74lvc1g123dp-q100 ? 40 ? c to +125 ? c tssop8 plastic thin shrink small outline package; 8 leads; body width 3 mm; lead length 0.5 mm sot505-2 74LVC1G123DC-Q100 ? 40 ? c to +125 ? c vssop8 plastic very thin shrink small outline package; 8 leads; body width 2.3 mm sot765-1 table 2. marking codes type number marking code [1] 74lvc1g123dp-q100 y3 74LVC1G123DC-Q100 y3
74lvc1g123_q100 all information provided in this document is subject to legal disclaimers. ? nxp semiconductors n.v. 2014. all ri ghts reserved. product data sheet rev. 1 ? 10 march 2014 3 of 25 nxp semiconductors 74lvc1g123-q100 single retriggerable monostable multivibrator; schmitt trigger inputs 5. functional diagram fig 1. logic symbol q rext/cext cext q r 6 a b clr 7 5 1 2 3 aaa-001871 fig 2. logic diagram aaa-001872 a r r cl cl v cc v cc cl b q v cc cl cl r r clr rext/cext cext
74lvc1g123_q100 all information provided in this document is subject to legal disclaimers. ? nxp semiconductors n.v. 2014. all ri ghts reserved. product data sheet rev. 1 ? 10 march 2014 4 of 25 nxp semiconductors 74lvc1g123-q100 single retriggerable monostable multivibrator; schmitt trigger inputs 6. pinning information 6.1 pinning 6.2 pin description 7. functional description [1] h = high voltage level; l = low voltage level; x = don?t care; ? = low-to-high transition; ? = high-to-low transition; = one high-level output pulse; = one low-level output pulse. [2] if the monostable was triggered before this conditi on was established, the pulse continues as programmed. fig 3. pin configuration sot505-2 and sot765-1 / 9 & |