HD74ALVC2G126 Dual Bus Buffer with 3-state Output ADE-205-622 (Z) Rev.0 July. 2001 Description The HD74ALVC2G126 has dual bus buffer with 3-state output in a 8 pin package. Output is disabled when the associated output enable (OE) input is low. To ensure the high impedance state during power up or power down, OE should be connected to GND through a pull-down resistor; the minimum value of the resistor is determined by the current souring capability of the driver. Low voltage and high speed operation is suitable for the battery powered products (e.g., notebook computers), and the low power consumption extends the battery life. Features • The basic gate function is lined up as hitachi uni logic series. • Supplied on emboss taping for high speed automatic mounting. • Supply voltage range : 1.2 to 3.6 V Operating temperature range : −40 to +85°C • All inputs VIH (Max.) = 3.6 V (@VCC = 0 V to 3.6 V) All outputs VO (Max.) = 3.6 V (@VCC = 0 V) • Output current ±2 mA (@VCC = 1.2 V) ±4 mA (@VCC = 1.4 V to 1.6 V) ±6 mA (@VCC = 1.65 V to 1.95 V) ±18 mA (@VCC = 2.3 V to 2.7 V) ±24 mA (@VCC = 3.0 V to 3.6 V) • Package type Package type Package code Package suffix Taping code SSOP-8 pin TTP-8DB US E (3,000 pcs / Reel) HD74ALVC2G126 Outline and Article Indication • HD74ALVC2G126 Index band Lot No. Y M W Y : Year code (the last digit of year) M : Month code W : Week code A 2 6 SSOP-8 Type No. Function Table Inputs OE A Output Y H H H H L L L X Z H: L: X: Z: High level Low level Immaterial High impedance Rev.0, Jul. 2001, page 2 of 13 HD74ALVC2G126 Pin Arrangement OE1 1 8 VCC A1 2 7 OE2 Y2 3 6 Y1 GND 4 5 A2 (Top view) Absolute Maximum Ratings Item Supply voltage range Input voltage range *1 Output voltage range *1, 2 Symbol Ratings Unit VCC −0.5 to 4.6 V VI −0.5 to 4.6 V VO −0.5 to VCC+0.5 V −0.5 to 4.6 Conditions Output : H or L or Z VCC : OFF Input clamp current IIK −50 mA VI < 0 Output clamp current IOK ±50 mA VO < 0 or VO > VCC Continuous output current IO ±50 mA VO = 0 to VCC Continuous current through VCC or GND ICC or IGND ±100 mA Maximum power dissipation *3 at Ta = 25°C (in still air) PT 200 mW Storage temperature Tstg −65 to 150 °C Notes: The absolute maximum ratings are values which must not individually be exceeded, and furthermore, no two of which may be realized at the same time. 1. The input and output voltage ratings may be exceeded if the input and output clamp-current ratings are observed. 2. This value is limited to 4.6 V maximum. 3. The maximum package power dissipation was calculated using a junction temperature of 150°C. Rev.0, Jul. 2001, page 3 of 13 HD74ALVC2G126 Recommended Operating Conditions Item Symbol Min Max Unit Supply voltage range VCC 1.2 3.6 V Input voltage range VI 0 3.6 V Output voltage range VO 0 VCC V Output current IOH −2 mA −4 VCC = 1.4 V −6 VCC = 1.65 V −18 VCC = 2.3 V −24 VCC = 3.0 V 2 VCC = 1.2 V 4 VCC = 1.4 V 6 VCC = 1.65 V 18 VCC = 2.3 V 24 VCC = 3.0 V 0 20 0 10 −40 85 IOL Input transition rise or fall rate Operating free-air temperature ∆t / ∆v Ta Note: Unused or floating inputs must be held high or low. Rev.0, Jul. 2001, page 4 of 13 ns / V Conditions VCC = 1.2 V VCC = 1.2 to 2.7 V VCC = 3.3±0.3 V °C HD74ALVC2G126 Electrical Characteristics (Ta = −40 to 85°C) Item Symbol VCC (V) Input voltage VIH 1.2 VIL Output voltage VOH VOL * Min Typ Max Unit VCC×0.75 V 1.4 to 1.6 VCC×0.7 1.65 to 1.95 VCC×0.7 2.3 to 2.7 1.7 3.0 to 3.6 2.0 1.2 VCC×0.25 1.4 to 1.6 VCC×0.3 1.65 to 1.95 VCC×0.3 2.3 to 2.7 0.7 3.0 to 3.6 0.8 Min to Max VCC−0.2 1.2 0.9 IOH = −2 mA 1.4 1.1 IOH = −4 mA 1.65 1.2 IOH = −6 mA 2.3 1.7 IOH = −18 mA 3.0 2.2 IOH = −24 mA Min to Max 0.2 IOL = 100 µA 1.2 0.3 IOL = 2 mA 1.4 0.3 IOL = 4 mA 1.65 0.3 IOL = 6 mA 2.3 0.55 IOL = 18 mA 3.0 0.55 IOL = 24 mA V Test conditions IOH = −100 µA Input current IIN 3.6 ±5 µA VIN = 3.6 V or GND Off state output current IOZ 3.6 ±5 µA VO = VCC or GND Quiescent supply current ICC 3.6 10 µA VIN = VCC or GND, IO = 0 Output leakage current IOFF 0 5 µA VIN or VO = 0 to 3.6 V Input capacitance CIN 3.3 4.5 pF VIN = VCC or GND Note: For conditions shown as Min or Max, use the appropriate values under recommended operating conditions. Rev.0, Jul. 2001, page 5 of 13 HD74ALVC2G126 Switching Characteristics (Ta = −40 to 85°C) • VCC = 1.2 V Item Symbol Min Typ Max Unit Test conditions FROM (Input) TO (Output) Propagation delay time tPLH tPHL 5.5 ns CL = 15 pF A Y Enable time tZH tZL 6.5 ns CL = 15 pF OE Y Disable time tHZ tLZ 4.5 ns CL = 15 pF OE Y • VCC = 1.5±0.1 V Item Symbol Min Typ Max Unit Test conditions FROM (Input) TO (Output) Propagation delay time tPLH tPHL 2.0 7.0 ns CL = 15 pF A Y Enable time tZH tZL 2.0 7.0 ns CL = 15 pF OE Y Disable time tHZ tLZ 2.0 7.0 ns CL = 15 pF OE Y • VCC = 1.8±0.15 V Item Symbol Min Typ Max Unit Test conditions FROM (Input) TO (Output) Propagation delay time tPLH tPHL 1.5 5.0 ns CL = 30 pF A Y Enable time tZH tZL 1.5 5.0 ns CL = 30 pF OE Y Disable time tHZ tLZ 1.5 5.0 ns CL = 30 pF OE Y Rev.0, Jul. 2001, page 6 of 13 HD74ALVC2G126 Switching Characteristics (cont) • VCC = 2.5±0.2 V Item Symbol Min Typ Max Unit Test conditions FROM (Input) TO (Output) Propagation delay time tPLH tPHL 1.0 4.0 ns CL = 30 pF A Y Enable time tZH tZL 1.0 4.0 ns CL = 30 pF OE Y Disable time tHZ tLZ 1.0 4.0 ns CL = 30 pF OE Y • VCC = 3.3±0.3 V Item Symbol Min Typ Max Unit Test conditions FROM (Input) TO (Output) Propagation delay time tPLH tPHL 1.0 3.0 ns CL = 30 pF A Y Enable time tZH tZL 1.0 3.0 ns CL = 30 pF OE Y Disable time tHZ tLZ 1.0 3.0 ns CL = 30 pF OE Y Operating Characteristics (Ta = 25°C) Item Symbol VCC (V) Min Typ Max Unit Test conditions Power dissipation CPD 1.5 10.5 pF f = 10 MHz 1.8 10.5 2.5 11.0 3.3 13.0 capacitance Rev.0, Jul. 2001, page 7 of 13 HD74ALVC2G126 Test Circuit - 1 Input Pulse Generator Z OUT = 50 Ω Symbol VCC See Function Table VCC V OUT CL RL V CC = 1.2 V, V = 2.5±0.2 V, V = 1.8±0.15 V CC 1.5±0.1 V CC 3.3±0.3 V RL 2.0 kΩ 1.0 kΩ 500 Ω CL 15 pF 30 pF 30 pF Note: CL includes probe and jig capacitance. Rev.0, Jul. 2001, page 8 of 13 HD74ALVC2G126 Waveforms - 1 tr tf Input A VIH 90% 90% V ref V ref 10% 10% t PLH GND t PHL VOH V ref Output Y V ref VOL Symbol V CC = 1.2 V, 1.5±0.1 V, V CC = 2.5±0.2 V 1.8±0.15 V V CC = 3.3±0.3 V tr / t f 2.0 ns 2.5 ns 2.5 ns V IH VCC VCC 2.7 V V ref 50% 50% 1.5 V Note: Input waveform : PRR = 10 MHz, duty cycle 50% Rev.0, Jul. 2001, page 9 of 13 HD74ALVC2G126 Test Circuit - 2 VCC VCC Output See Function Table Input Pulse Generator Z OUT = 50 Ω RL CL t PLH / t PHL OPEN OPEN t HZ / t ZH GND GND t LZ / t ZL VCC×2 6.0 RL V CC = 1.2 V, V = 2.5±0.2 V, V = 1.8±0.15 V CC 1.5±0.1 V CC 3.3±0.3 V RL 2.0 kΩ 1.0 kΩ 500 Ω CL 15 pF 30 pF 30 pF Note: CL includes probe and jig capacitance. Rev.0, Jul. 2001, page 10 of 13 OPEN See under table GND *1 S1 V CC = 1.2 V, 1.5±0.1 V, V = 3.3±0.3 V CC 1.8±0.15 V, 2.5±0.2 V Symbol Symbol S1 HD74ALVC2G126 Waveforms - 2 tr tf Input OE VIH 90% 90% V ref V ref 10% 10% t ZL GND t LZ VOH V ref VL t ZH Output Y VOL t HZ VOH VH V ref VOL Symbol V CC = 1.2 V, 1.5±0.1 V V CC = 1.8±0.15 V V CC = 2.5±0.2 V V CC = 3.3±0.3 V tr / t f 2.0 ns 2.0 ns 2.5 ns 2.5 ns V IH VCC VCC VCC 2.7 V V ref 50% 50% 50% 1.5 V VH / V L VH = VOH-0.1 V VL = VOL+0.1 V VH = VOH-0.15 V VH = VOH-0.15 V VH = VOH-0.3 V VL = VOL+0.15 V VL = VOL+0.15 V VL = VOL+0.3 V Note: Input waveform : PRR = 10 MHz, duty cycle 50% Rev.0, Jul. 2001, page 11 of 13 HD74ALVC2G126 Package Dimensions As of January, 2001 (0.4) 1.50 0.5 0.5 0.5 Unit: mm + 0.05 0.13 − 0.03 3.1 ± 0.1 (0.4) 2.3 ± 0.1 0 − 0.1 + 0.05 8 − 0.2 − 0.04 0.7 ± 0.1 (0.17) 2.0 ± 0.1 Rev.0, Jul. 2001, page 12 of 13 Hitachi Code JEDEC EIAJ Mass (reference value) TTP-8DB 0.25 g HD74ALVC2G126 Disclaimer 1. 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(Taipei Branch Office) 4/F, No. 167, Tun Hwa North Road Hung-Kuo Building Taipei (105), Taiwan Tel : <886>-(2)-2718-3666 Fax : <886>-(2)-2718-8180 Telex : 23222 HAS-TP URL : http://www.hitachi.com.tw Hitachi Asia (Hong Kong) Ltd. Group III (Electronic Components) 7/F., North Tower World Finance Centre, Harbour City, Canton Road Tsim Sha Tsui, Kowloon Hong Kong Tel : <852>-(2)-735-9218 Fax : <852>-(2)-730-0281 URL : http://semiconductor.hitachi.com.hk Copyright © Hitachi, Ltd., 2001. All rights reserved. Printed in Japan. Colophon 4.0 Rev.0, Jul. 2001, page 13 of 13