1. general description the 74lvc244a-q100; 74lvch244a-q100 is an octal non-inverting buffer/line driver with 3-state outputs. the 3-state outputs are controlled by the output enable inputs 1oe and 2oe . a high on noe causes the outputs to assume a high-impedance off-state. schmitt-trigger action at all inputs makes the ci rcuit highly tolerant for slower input rise and fall times. inputs can be driven from either 3.3 v or 5.0 v devices. in 3-state operation, outputs can handle 5 v. these features allow the use of these devices as translators in a mixed 3.3 v and 5 v environment. the 74lvch244a-q100 bus hold on data inputs eliminates the need for external pull-up resistors to hold unused inputs. 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 ? 5 v tolerant inputs/outputs for interfacing with 5 v logic ? wide supply voltage range from 1.2 v to 3.6 v ? cmos low-power consumption ? direct interface with ttl levels ? inputs accept voltages up to 5.5 v ? high-impedance when v cc = 0 v ? bus hold on all data inputs (74lvch244a-q100 only) ? complies with jedec standard: ? jesd8-7a (1.65 v to 1.95 v) ? jesd8-5a (2.3 v to 2.7 v) ? jesd8-c/jesd36 (2.7 v to 3.6 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 74lvc244a-q100; 74lvch244a-q100 quad buffer/line driver; 3-state rev. 2 ? 13 august 2013 product data sheet
74lvc_lvch244a_q100 all information provided in this document is subject to legal disclaimers. ? nxp b.v. 2013. all rights reserv ed. product data sheet rev. 2 ? 13 august 2013 2 of 18 nxp semiconductors 74lvc244a-q100; 74lvch244a-q100 quad buffer/line driver; 3-state 3. ordering information 4. functional diagram table 1. ordering information type number package temperature range name description version 74lvc244ad-q100 ? 40 ? c to +125 ? c so20 plastic small outl ine package; 20 leads; body width 7.5 mm sot163-1 74lvch244ad-q100 74LVC244ADB-Q100 ? 40 ? c to +125 ? c ssop20 plastic shrink small outline package; 20 leads; body width 5.3 mm sot339-1 74lvch244adb-q100 74lvc244apw-q100 ? 40 ? c to +125 ? c tssop20 plastic thin shrink small outline package; 20 leads; body width 4.4 mm sot360-1 74lvch244apw-q100 74lvc244abq-q100 ? 40 ? c to +125 ? c dhvqfn20 plastic dual in-line compatible thermal enhanced very thin quad flat package; no leads; 20 terminals; body 2.5 ? 4.5 ? 0.85 mm sot764-1 74lvch244abq-q100 fig 1. logic symbol mna874 8 6 4 2 1a0 1a1 1a2 1a3 1oe 18 16 1y0 1y1 1y2 1y3 14 12 1 11 13 15 17 2a0 2a1 2a2 2a3 2oe 3 5 2y0 2y1 2y2 2y3 7 9 19
74lvc_lvch244a_q100 all information provided in this document is subject to legal disclaimers. ? nxp b.v. 2013. all rights reserv ed. product data sheet rev. 2 ? 13 august 2013 3 of 18 nxp semiconductors 74lvc244a-q100; 74lvch244a-q100 quad buffer/line driver; 3-state fig 2. iec logic diagram fig 3. functional diagram 12 14 2 4 6 8 18 16 1 en mna873 3 5 11 13 15 17 9 7 19 en mna875 1a3 1a2 1a1 1a0 2 4 6 8 1 1y0 1y1 18 16 14 12 1y2 1y3 1oe 2a3 2a2 2a1 2a0 17 15 13 11 19 2y0 2y1 3 5 7 9 2y2 2y3 2oe
74lvc_lvch244a_q100 all information provided in this document is subject to legal disclaimers. ? nxp b.v. 2013. all rights reserv ed. product data sheet rev. 2 ? 13 august 2013 4 of 18 nxp semiconductors 74lvc244a-q100; 74lvch244a-q100 quad buffer/line driver; 3-state 5. pinning information 5.1 pinning 5.2 pin description (1) this is not a supply pin. the substrate is attached to this pad using conductive die atta ch material. there is no electrical or mechanical requi rement to solder this pad. however, if it is soldered, the solder land should remain floating or be connected to gnd. fig 4. pin configuration for so20 and (t)ssop20 fig 5. pin configuration for dhvqfn20 / 9 & |