INTEGRATED CIRCUITS DATA SHEET 74ALVC244 Octal buffer/line driver; 3-state Product specification Supersedes data of 2003 Aug 11 2003 Sep 08
Philips Semiconductors Product specification Octal buffer/line driver; 3-state 74ALVC244 FEATURES DESCRIPTION • Wide supply voltage range from 1.65 to 3.6 V The 74ALVC244 is a high-performance, low-power, low-voltage, Si-gate CMOS device and superior to most advanced CMOS compatible TTL families. • 3.6 V tolerant inputs/outputs • CMOS low power consumption The 74ALVC244 is an octal non-inverting buffer/line driver with 3-state outputs.
Philips Semiconductors Product specification Octal buffer/line driver; 3-state 74ALVC244 FUNCTION TABLE See note 1. INPUT OUTPUT nOE nAn nYn L L L L H H H X Z Note 1. H = HIGH voltage level; L = LOW voltage level; X = don’t care; Z = high-impedance OFF-state.
Philips Semiconductors Product specification Octal buffer/line driver; 3-state 74ALVC244 handbook, halfpage handbook, halfpage 1OE VCC 1 20 1A0 2 19 2OE 1OE 1 20 VCC 1A0 2 19 2OE 2Y0 3 18 1Y0 2Y0 3 18 1Y0 1A1 4 17 2A0 1A1 4 17 2A0 2Y1 5 16 1Y1 2Y1 5 16 1Y1 244 GND(1) 15 2A1 1A2 6 15 2A1 2Y2 7 14 1Y2 2Y2 7 14 1Y2 1A3 8 13 2A2 1A3 8 13 2A2 2Y3 9 12 1Y3 GND 10 11 2A3 2Y3 9 12 1Y3 1A2 6 10 11 GND 2A3 MNA162 Top view MNA981 (1) The die substrat
Philips Semiconductors Product specification Octal buffer/line driver; 3-state 74ALVC244 handbook, halfpage 1Y0 1A0 2 18 1A1 1Y1 4 6 8 1 16 1Y2 1A2 14 1Y3 1A3 12 1OE 2Y0 2A0 17 3 2A1 2Y1 15 13 11 19 5 2Y2 2A2 7 2Y3 2A3 9 2OE MNA170 Fig.5 Logic diagram.
Philips Semiconductors Product specification Octal buffer/line driver; 3-state 74ALVC244 RECOMMENDED OPERATING CONDITIONS SYMBOL PARAMETER CONDITIONS MIN. MAX. UNIT VCC supply voltage 1.65 3.6 V VI input voltage 0 3.6 V VO output voltage VCC V Tamb operating ambient temperature tr, tf input rise and fall times VCC = 1.65 to 3.6 V; enable mode 0 VCC = 1.65 to 3.6 V; disable mode 0 3.6 V VCC = 0 V; Power-down mode 0 3.6 V −40 +85 °C VCC = 1.65 to 2.
Philips Semiconductors Product specification Octal buffer/line driver; 3-state 74ALVC244 DC CHARACTERISTICS At recommended operating conditions; voltages are referenced to GND (ground = 0 V). TEST CONDITIONS SYMBOL PARAMETER MIN. OTHER TYP.(1) MAX. UNIT VCC (V) Tamb = −40 to +85 °C VIH VIL VOL VOH HIGH-level input voltage HIGH-level output voltage − V 1.7 − − V 2 − − V 2.7 to 3.6 1.65 to 1.95 − − 0.35 × VCC V 2.3 to 2.7 − − 0.7 V 2.7 to 3.6 − − 0.8 V IO = 100 µA 1.
Philips Semiconductors Product specification Octal buffer/line driver; 3-state 74ALVC244 AC CHARACTERISTICS TEST CONDITIONS SYMBOL PARAMETER MIN. WAVEFORMS TYP.(1) MAX. UNIT VCC (V) Tamb = −40 to +85 °C tPHL/tPLH tPZH/tPZL tPHZ/tPLZ propagation delay nAn to nYn see Figs 6 and 8 1.65 to 1.95 3-state output enable time nOE to nYn 1.0 2.7 4.4 ns 2.3 to 2.7 1.0 2.0 3.1 ns 2.7 1.0 2.3 3.1 ns 3.0 to 3.6 1.0 2.2 2.8 ns see Figs 7 and 8 1.65 to 1.
Philips Semiconductors Product specification Octal buffer/line driver; 3-state 74ALVC244 VI handbook, full pagewidth VM nOE input GND tPLZ output LOW-to-OFF OFF-to-LOW tPZL VCC VM Vx VOL tPHZ tPZH VOH Vy output HIGH-to-OFF OFF-to-HIGH VM GND outputs enabled outputs disabled outputs enabled MNA654 INPUT VCC VM VI tr = tf 1.65 to 1.95 V 0.5 × VCC VCC ≤ 2.0 ns 2.3 to 2.7 V 0.5 × VCC VCC ≤ 2.0 ns 2.7 V 1.5 V 2.7 V ≤ 2.5 ns VX = VOL + 0.3 V at VCC ≥ 2.7 V; VX = VOL + 0.
Philips Semiconductors Product specification Octal buffer/line driver; 3-state 74ALVC244 VEXT handbook, full pagewidth VCC PULSE GENERATOR VI RL VO D.U.T. CL RT RL MNA616 VCC VI CL RL VEXT tPLH/tPHL tPZH/tPHZ tPZL/tPLZ 1.65 to 1.95 V VCC 30 pF 1 kΩ open GND 2 × VCC 2.3 to 2.7 V VCC 30 pF 500 Ω open GND 2 × VCC 2.7 V 2.7 V 50 pF 500 Ω open GND 6V 3.0 to 3.6 V 2.7 V 50 pF 500 Ω open GND 6V Definitions for test circuit: RL = Load resistor.
Philips Semiconductors Product specification Octal buffer/line driver; 3-state 74ALVC244 PACKAGE OUTLINES SO20: plastic small outline package; 20 leads; body width 7.5 mm SOT163-1 D E A X c HE y v M A Z 11 20 Q A2 A (A 3) A1 pin 1 index θ Lp L 1 10 e bp detail X w M 0 5 10 mm scale DIMENSIONS (inch dimensions are derived from the original mm dimensions) UNIT A max. A1 A2 A3 bp c D (1) E (1) e HE L Lp Q v w y mm 2.65 0.3 0.1 2.45 2.25 0.25 0.49 0.36 0.32 0.
Philips Semiconductors Product specification Octal buffer/line driver; 3-state 74ALVC244 TSSOP20: plastic thin shrink small outline package; 20 leads; body width 4.4 mm SOT360-1 E D A X c HE y v M A Z 11 20 Q A2 (A 3) A1 pin 1 index A θ Lp L 1 10 detail X w M bp e 0 2.5 5 mm scale DIMENSIONS (mm are the original dimensions) UNIT A max. A1 A2 A3 bp c D (1) E (2) e HE L Lp Q v w y Z (1) θ mm 1.1 0.15 0.05 0.95 0.80 0.25 0.30 0.19 0.2 0.1 6.6 6.4 4.5 4.
Philips Semiconductors Product specification Octal buffer/line driver; 3-state 74ALVC244 DHVQFN20: plastic dual in-line compatible thermal enhanced very thin quad flat package; no leads; SOT764-1 20 terminals; body 2.5 x 4.5 x 0.85 mm A B D A A1 E c detail X terminal 1 index area terminal 1 index area C e1 e 2 9 y y1 C v M C A B w M C b L 1 10 Eh e 20 11 19 12 Dh X 0 2.5 5 mm scale DIMENSIONS (mm are the original dimensions) UNIT A(1) max.
Philips Semiconductors Product specification Octal buffer/line driver; 3-state 74ALVC244 DATA SHEET STATUS LEVEL DATA SHEET STATUS(1) PRODUCT STATUS(2)(3) Development DEFINITION I Objective data II Preliminary data Qualification This data sheet contains data from the preliminary specification. Supplementary data will be published at a later date.
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