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HD74CBT16212A 24-bit FET Bus-Exchange Switches ADE-205-647A (Z) Preliminary Rev. 1 Feb. 2002 Description The HD74CBT16212A devices provide 24-bits of high speed TTL-compatible bus switching or exchanging. The low on state resistance of the switch allows connections to be made with minimal propagation delay. Each device operates as a 24-bit bus switch or a 12-bit bus exchanger that provides data exchanging between the four signal ports via the data-select (S0, S1, S2) terminals. Features • Minimal propagation delay through the switch. • 5 Ω switch connection between two ports. • TTL-compatible input levels. • Ultra low quiescent power. -Ideally suited for notebook applications. • Package type Product code example: HD74CBT16212ATEL Package type Package code Package suffix Taping code TSSOP–56pin TTP–56DAV T EL(1,000pcs / Reel) HD74CBT16212A Function Table Inputs Inputs / Outputs S2 S1 S0 A1 A2 Function L L L Z Z Disconnect L L H B1 port Z A1 port = B1 port L H L B2 port Z A1 port = B2 port L H H Z B1 port A2 port = B1 port H L L Z B2 port A2 port = B2 port H L H Z Z Disconnect H H L B1 port B2 port A1 port = B1 port A2 port = B2 port H H H B2 port B1 port A1 port = B2 port A2 port = B1 port H: L: Z: High level Low level High impedance Rev.1, Feb. 2002, page 2 of 11 HD74CBT16212A Pin Arrangement S0 1 56 S1 1A1 2 55 S2 1A2 3 54 1B1 2A1 4 53 1B2 2A2 5 52 2B1 3A1 6 51 2B2 3A2 7 50 3B1 GND 8 49 GND 4A1 9 48 3B2 4A2 10 47 4B1 5A1 11 46 4B2 5A2 12 45 5B1 6A1 13 44 5B2 6A2 14 43 6B1 7A1 15 42 6B2 7A2 16 41 7B1 VCC 17 40 7B2 8A1 18 39 8B1 GND 19 38 GND 8A2 20 37 8B2 9A1 21 36 9B1 9A2 22 35 9B2 10A1 23 34 10B1 10A2 24 33 10B2 11A1 25 32 11B1 11A2 26 31 11B2 12A1 27 30 12B1 12A2 28 29 12B2 (Top view) Rev.1, Feb. 2002, page 3 of 11 HD74CBT16212A Absolute Maximum Ratings Item Symbol Ratings Unit VCC −0.5 to 7.0 V VI −0.5 to 7.0 V Input clamp current IIK −50 mA VI < 0 Continuous output current IO 128 mA VO = 0 to VCC Continuous current through VCC or GND ICC or IGND ±100 mA Maximum power dissipation *2 at Ta = 25°C (in still air) PT 1.32 W Storage temperature Tstg −65 to 150 °C Supply voltage range Input voltage range Notes: *1 Conditions 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 even if the input and output clamp-current ratings are observed. 2. The maximum package power dissipation was calculated using a junction temperature of 150°C. Recommended Operating Conditions Item Symbol Min Max Unit Supply voltage range VCC 4.0 5.5 V Input voltage range VI 0 5.5 V Output voltage range VI/O 0 5.5 V Input transition rise or fall rate ∆t / ∆v 0 5 ns / V Operating free-air temperature Ta −40 85 °C Note: Unused or floating inputs must be held high or low. Rev.1, Feb. 2002, page 4 of 11 Conditions VCC = 4.5 to 5.5 V HD74CBT16212A Block Diagram 1A1 1A2 • • • 12A1 12A2 S0 S1 S2 2 54 3 53 27 30 28 29 1B1 1B2 • • • 12B1 12B2 1 56 55 Rev.1, Feb. 2002, page 5 of 11 HD74CBT16212A DC Electrical Characteristics (Ta = −40 to 85°C) Item Symbol VCC (V) Min Typ Clamp diode voltage VIK 4.5 Input voltage VIH 4.0 to 5.5 VIL RON On-state switch *2 resistance *1 Max Unit Test conditions −1.2 V IIN = −18 mA 2.0 V 4.0 to 5.5 0.8 4.0 14 20 4.5 4 7 VIN = 0 V, IIN = 64 mA 4.5 4 7 VIN = 0 V, IIN = 30 mA 4.5 6 12 VIN = 2.4 V, IIN = 15 mA Ω VIN = 2.4 V, IIN = 15 mA Typ at VCC = 4.0 V Input current IIN 0 to 5.5 ±1.0 µA VIN = 5.5 V or GND Off-state leakage current IOZ 5.5 ±1.0 µA 0 ≤ A, B ≤ VCC Quiescent supply current ICC 5.5 3 µA VIN = VCC or GND, IO = 0 mA Increase in ICC *3 per input ∆ICC 5.5 2.5 mA One input at 3.4 V, other inputs at VCC or GND Notes: For condition shown as Min or Max use the appropriate values under recommended operating conditions. 1. All typical values are at VCC = 5 V (unless otherwise noted), Ta = 25°C. 2. Measured by the voltage drop between the A and B terminals at the indicated current through the switch. On-state resistance is determined by the lower voltage of the two (A or B) terminals. 3. This is the increase in supply current for each input that is at the specified TTL voltage level rather than VCC or GND. Capacitance (Ta = 25°C) Item Symbol VCC (V) Min Typ Max Unit Test conditions Control input capacitance CIN 5.0 5 pF VIN = 0 or 3 V Input / output capacitance CI/O (OFF) 5.0 9 pF VO = 0 or 3 V S0, S1, or S2 = VCC Note: This parameter is determined by device characterization is not production tested. Rev.1, Feb. 2002, page 6 of 11 HD74CBT16212A Switching Characteristics (Ta = −40 to 85°C) • VCC = 4.0 V Test conditions FROM (Input) TO (Output) ns CL = 50 pF RL = 500 Ω A or B B or A 10.0 ns CL = 50 pF RL = 500 Ω S A or B 10.4 ns CL = 50 pF RL = 500 Ω S A or B tHZ tLZ 9.2 ns CL = 50 pF RL = 500 Ω S A or B Item Symbol Min Max Unit Test conditions FROM (Input) TO (Output) Propagation delay *1 time tPLH tPHL 0.25 ns CL = 50 pF RL = 500 Ω A or B B or A Propagation delay time tPLH tPHL 1.5 9.1 ns CL = 50 pF RL = 500 Ω S A or B Enable time tZH tZL 1.5 9.7 ns CL = 50 pF RL = 500 Ω S A or B Disable time tHZ tLZ 1.5 8.8 ns CL = 50 pF RL = 500 Ω S A or B Item Symbol Min Max Unit Propagation delay *1 time tPLH tPHL 0.35 Propagation delay time tPLH tPHL Enable time tZH tZL Disable time • VCC = 5.0±0.5 V Note: 1. The propagation delay is the calculated RC time constant of the typical on-state resistance of the switch and the specified load capacitance, when driven by an ideal voltage source (zero output impedance). Rev.1, Feb. 2002, page 7 of 11 HD74CBT16212A Test Circuit See under table 500 Ω S1 OPEN GND *1 CL = 50 pF 500 Ω Load circuit for outputs Symbol S1 t PLH / tPHL OPEN t ZH / t HZ OPEN t ZL / t LZ 7V Note: 1. CL includes probe and jig capacitance. Rev.1, Feb. 2002, page 8 of 11 HD74CBT16212A Waveforms – 1 tr tf 90 % 1.5 V Input 3V 90 % 1.5 V 10 % 10 % t PLH GND t PHL V OH 1.5 V Output 1.5 V V OL Waveforms – 2 tf tr 90 % Output Control 3V 90 % 1.5 V 1.5 V 10 % t ZL 10 % GND t LZ 3.5 V Waveform - A 1.5 V V OL + 0.3 V t ZH t HZ V OH - 0.3 V Waveform - B V OL V OH 1.5 V GND Notes: 1. All input pulses are supplied by generators having the following characteristics : PRR ≤ 10 MHz, ZO = 50 Ω, tr ≤ 2.5 ns, tf ≤ 2.5 ns. 2. Waveform - A is for an output with internal conditions such that the output is low except when disabled by the output control. 3. Waveform - B is for an output with internal conditions such that the output is high except when disabled by the output control. 4. The output are measured one at a time with one transition per measurement. Rev.1, Feb. 2002, page 9 of 11 HD74CBT16212A Package Dimensions As of July, 2001 14.0 14.2 Max 29 6.10 56 Unit: mm 1 *0.19 ± 0.05 0.50 28 0.08 M 1.0 8.10 ± 0.20 0.65 Max *Pd plating Rev.1, Feb. 2002, page 10 of 11 0.10 ± 0.05 0.10 *0.15 ± 0.05 1.20 Max 0˚ – 8˚ 0.50 ± 0.1 Hitachi Code JEDEC JEITA Mass (reference value) TTP-56DAV — — 0.32 g HD74CBT16212A Disclaimer 1. Hitachi neither warrants nor grants licenses of any rights of Hitachi’s or any third party’s patent, copyright, trademark, or other intellectual property rights for information contained in this document. Hitachi bears no responsibility for problems that may arise with third party’s rights, including intellectual property rights, in connection with use of the information contained in this document. 2. Products and product specifications may be subject to change without notice. Confirm that you have received the latest product standards or specifications before final design, purchase or use. 3. Hitachi makes every attempt to ensure that its products are of high quality and reliability. However, contact Hitachi’s sales office before using the product in an application that demands especially high quality and reliability or where its failure or malfunction may directly threaten human life or cause risk of bodily injury, such as aerospace, aeronautics, nuclear power, combustion control, transportation, traffic, safety equipment or medical equipment for life support. 4. Design your application so that the product is used within the ranges guaranteed by Hitachi particularly for maximum rating, operating supply voltage range, heat radiation characteristics, installation conditions and other characteristics. Hitachi bears no responsibility for failure or damage when used beyond the guaranteed ranges. Even within the guaranteed ranges, consider normally foreseeable failure rates or failure modes in semiconductor devices and employ systemic measures such as failsafes, so that the equipment incorporating Hitachi product does not cause bodily injury, fire or other consequential damage due to operation of the Hitachi product. 5. This product is not designed to be radiation resistant. 6. No one is permitted to reproduce or duplicate, in any form, the whole or part of this document without written approval from Hitachi. 7. Contact Hitachi’s sales office for any questions regarding this document or Hitachi semiconductor products. Sales Offices Hitachi, Ltd. Semiconductor & Integrated Circuits Nippon Bldg., 2-6-2, Ohte-machi, Chiyoda-ku, Tokyo 100-0004, Japan Tel: (03) 3270-2111 Fax: (03) 3270-5109 URL http://www.hitachisemiconductor.com/ For further information write to: Hitachi Semiconductor (America) Inc. 179 East Tasman Drive San Jose,CA 95134 Tel: <1> (408) 433-1990 Fax: <1>(408) 433-0223 Hitachi Europe Ltd. Electronic Components Group Whitebrook Park Lower Cookham Road Maidenhead Berkshire SL6 8YA, United Kingdom Tel: <44> (1628) 585000 Fax: <44> (1628) 585200 Hitachi Asia Ltd. Hitachi Tower 16 Collyer Quay #20-00 Singapore 049318 Tel : <65>-538-6533/538-8577 Fax : <65>-538-6933/538-3877 URL : http://semiconductor.hitachi.com.sg Hitachi Europe GmbH Electronic Components Group Dornacher Straße 3 D-85622 Feldkirchen Postfach 201, D-85619 Feldkirchen Germany Tel: <49> (89) 9 9180-0 Fax: <49> (89) 9 29 30 00 Hitachi Asia Ltd. (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., 2002. All rights reserved. Printed in Japan. Colophon 5.0 Rev.1, Feb. 2002, page 11 of 11