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| HD74AC164/HD74ACT164 Serial-In, Parallel-Out Shift Register Description The HD74AC164/HD74ACT164 is a high-speed 8-bit serial-in/parallel-out shift register. Serial data is entered through a 2-input AND gate synchronous with the Low-to-High transition of the clock. The device features an asynchronous Master Reset which clears the register, setting all outputs Low independent of the clock. Features * Outputs Source/Sink 24 mA * HD74ACT164 has TTL-Compatible Inputs Pin Arrangement A1 B2 Q0 3 Q1 4 Q2 5 Q3 6 GND 7 (Top view) 14 VCC 13 Q7 12 Q6 11 Q5 10 Q4 9 MR 8 CP HD74AC164/HD74ACT164 Logic Symbol A B CP MR Q0 Q1 Q2 Q3 Q4 Q5 Q6 Q7 Pin Names A, B CP MR Q0 to Q7 Data Inputs Clock Pulse Input (Active Rising Edge) Master Reset Input (Active Low) Outputs Functional Description The HD74AC164/HD74ACT164 is an edge-triggered 8-bit shift register with serial data entry and an output from each of the eight stages. Data is entered serially through one of two inputs (A or B); either of these inputs can be used as an active High Enable for data entry through the other inputs. An unused input must be tied High. Each Low-to-High transition on the Clock (CP) input shifts data one place to the right and enters into Q 0 the logical AND of the two data inputs (A*B) that existed before the rising clock edge. A Low level on the Master Reset (MR) input overrides all other inputs and clears the register asynchronously, forcing all Q outputs Low. 2 HD74AC164/HD74ACT164 Mode Select Table Inputs Operating Mode Reset (Clear) Shift MR L H H H H H L X qn : : : : A X L L H H B X L H L H Outputs Q0 L L L L H Q1 to Q7 L to L q0 to q 6 q0 to q 6 q0 to q 6 q0 to q 6 High Voltage Level Low Voltage Level Immaterial Lower case letters indicate the state of the referenced input or output one setup time prior to the Low-to-High clock transition. Logic Diagram A B D CD CP MR Q0 Q1 Q2 Q3 Q4 Q5 Q6 Q7 Q D CD Q D CD Q D CD Q D CD Q D CD Q D CD Q D CD Q Please note that this diagram is provided only for the understanding of logic operations and should not be used to estimate propagation delays. DC Characteristics (unless otherwise specified) Item Maximum quiescent supply current Maximum quiescent supply current Maximum additional ICC/input (HD74ACT164) Symbol I CC I CC I CCT Max 80 8.0 1.5 Unit A A mA Condition VIN = VCC or ground, VCC = 5.5 V, Ta = Worst case VIN = VCC or ground, VCC = 5.5 V, Ta = 25C VIN = VCC - 2.1 V, VCC = 5.5 V, Ta = Worst case 3 HD74AC164/HD74ACT164 AC Characteristics: HD74AC164 Ta = +25C CL = 50 pF Item Maximum clock frequency Propagation delay CP to Qn Propagation delay CP to Qn Propagation delay MR to Q n Note: t PHL t PHL t PLH Symbol f max VCC (V)*1 3.3 5.0 3.3 5.0 3.3 5.0 3.3 5.0 Min 125 150 1.0 1.0 1.0 1.0 1.0 1.0 Typ -- -- 8.5 6.5 8.5 6.5 9.5 7.5 Max -- -- 13.0 10.0 13.0 10.0 16.0 11.5 Ta = -40C to +85C CL = 50 pF Min 100 125 1.0 1.0 1.0 1.0 1.0 1.0 Max -- -- 13.5 10.5 14.5 10.5 18.0 13.5 ns Unit MHz 1. Voltage Range 3.3 is 3.3 V 0.3 V Voltage Range 5.0 is 5.0 V 0.5 V AC Operating Requirements: HD74AC164 Ta = +25C CL = 50 pF Item Setup time A or B to CP Symbol t su VCC (V)*1 Typ 3.3 5.0 Hold time CP to A or B th 3.3 5.0 Pulse width CP or MR Recovery time MR or CP Note: tw 3.3 5.0 t rec 3.3 5.0 1. Voltage Range 3.3 is 3.3 V 0.3 V Voltage Range 5.0 is 5.0 V 0.5 V 3.0 2.0 -1.5 -1.5 2.0 2.0 -2.5 -1.5 Ta = -40C to +85C CL = 50 pF Guaranteed Minimum 5.5 4.6 0.0 0.0 5.5 4.5 0.0 0.0 6.0 4.5 0.0 0.0 7.0 5.0 0.0 0.0 Unit ns 4 HD74AC164/HD74ACT164 AC Characteristics: HD74ACT164 Ta = +25C CL = 50 pF Item Maximum clock frequency Propagation delay CP to Qn Propagation delay CP to Qn Propagation delay MR to Q n Note: Symbol f max t PLH t PHL t PHL VCC (V)*1 5.0 5.0 5.0 5.0 Min 100 1.0 1.0 1.0 Typ -- 9.0 9.0 9.5 Max -- 11.5 11.5 13.0 Ta = -40C to +85C CL = 50 pF Min 80 1.0 1.0 1.0 Max -- 12.5 12.5 14.5 Unit MHz ns 1. Voltage Range 5.0 is 5.0 V 0.5 V AC Operating Requirements: HD74ACT164 Ta = +25C CL = 50 pF Item Setup time A or B to CP Hold time CP to A or B Pulse width CP or MR Recovery time MR or CP Note: Symbol t su th tw t rec VCC (V)*1 Typ 5.0 5.0 5.0 5.0 2.5 0.0 4.5 0.0 Ta = -40C to +85C CL = 50 pF Guaranteed Minimum 7.0 1.5 7.0 2.0 8.0 1.5 8.0 2.0 Unit ns 1. Voltage Range 5.0 is 5.0 V 0.5 V Capacitance Item Input capacitance Power dissipation capacitance Symbol CIN CPD Typ 4.5 20.0 Unit pF pF Condition VCC = 5.5 V VCC = 5.0 V 5 Unit: mm 19.20 20.32 Max 14 8 6.30 7.40 Max 1 2.39 Max 1.30 7 7.62 0.51 Min 2.54 Min 5.06 Max 2.54 0.25 0.48 0.10 0.25 - 0.05 0 - 15 + 0.10 Hitachi Code JEDEC EIAJ Weight (reference value) DP-14 Conforms Conforms 0.97 g Unit: mm 10.06 10.5 Max 14 8 5.5 1 7 *0.22 0.05 0.20 0.04 2.20 Max 7.80 - 0.30 1.15 0 - 8 0.70 0.20 + 0.20 1.42 Max 1.27 *0.42 0.08 0.40 0.06 0.12 M Hitachi Code JEDEC EIAJ Weight (reference value) FP-14DA -- Conforms 0.23 g *Dimension including the plating thickness Base material dimension 0.10 0.10 0.15 Unit: mm 8.65 9.05 Max 14 8 3.95 1 1.75 Max 7 *0.20 0.05 6.10 - 0.30 1.08 + 0.10 0.635 Max 0 - 8 0.11 0.14 + 0.04 - 1.27 *0.40 0.06 0.67 0.60 + 0.20 - 0.15 0.25 M Hitachi Code JEDEC EIAJ Weight (reference value) FP-14DN Conforms Conforms 0.13 g *Pd plating Unit: mm 5.00 5.30 Max 14 8 4.40 1 *0.22+0.08 -0.07 7 0.65 1.0 0.13 M 0.83 Max *0.17 0.05 0.15 0.04 1.10 Max 6.40 0.20 0 - 8 0.50 0.10 0.20 0.06 0.10 0.07 +0.03 -0.04 *Dimension including the plating thickness Base material dimension Hitachi Code JEDEC EIAJ Weight (reference value) TTP-14D -- -- 0.05 g Cautions 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. Hitachi, Ltd. Semiconductor & Integrated Circuits. Nippon Bldg., 2-6-2, Ohte-machi, Chiyoda-ku, Tokyo 100-0004, Japan Tel: Tokyo (03) 3270-2111 Fax: (03) 3270-5109 URL NorthAmerica : http:semiconductor.hitachi.com/ Europe : http://www.hitachi-eu.com/hel/ecg Asia (Singapore) : http://www.has.hitachi.com.sg/grp3/sicd/index.htm Asia (Taiwan) : http://www.hitachi.com.tw/E/Product/SICD_Frame.htm Asia (HongKong) : http://www.hitachi.com.hk/eng/bo/grp3/index.htm Japan : http://www.hitachi.co.jp/Sicd/indx.htm 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 GmbH Electronic components Group Dornacher Strae 3 D-85622 Feldkirchen, Munich Germany Tel: <49> (89) 9 9180-0 Fax: <49> (89) 9 29 30 00 Hitachi Europe Ltd. Electronic Components Group. Whitebrook Park Lower Cookham Road Maidenhead Berkshire SL6 8YA, United Kingdom Tel: <44> (1628) 585000 Fax: <44> (1628) 778322 Hitachi Asia Pte. Ltd. 16 Collyer Quay #20-00 Hitachi Tower Singapore 049318 Tel: 535-2100 Fax: 535-1533 Hitachi Asia Ltd. Taipei Branch Office 3F, Hung Kuo Building. No.167, Tun-Hwa North Road, Taipei (105) Tel: <886> (2) 2718-3666 Fax: <886> (2) 2718-8180 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 Telex: 40815 HITEC HX Copyright ' Hitachi, Ltd., 1999. All rights reserved. Printed in Japan. |
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