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HD74HC164
8-bit Parallel-out Shift Register
Description
This 8-bit shift register has gated serial inputs and clear. Each register bit is a D-type master/slave flipflop. Inputs A & B permit complete control over the incoming data. A low at either or both inputs inhibits entry of new data and resets the first flip-vlop to the low level at the next clock pulse. A high level on the input enables the other input which will then determine the state of the first flip-flop. Data at the serial inputs may be changed while the clock is high or low, but only information meeting the setup and hold time requirements will be entered. Data is serially shifted in and out of the 8-bit register during the positive going transition of the clock pulse. Clear is independent of the clock and accomplished by a low level at the clear input.
Features
* * * * * High Speed Operation: tpd (Clock to Q) = 14.5 ns typ (CL = 50 pF) High Output Current: Fanout of 10 LSTTL Loads Wide Operating Voltage: VCC = 2 to 6 V Low Input Current: 1 A max Low Quiescent Supply Current: ICC (static) = 4 A max
Function Table
Inputs Clear L H H H H Clock X A X X L X H B X X X L H Outputs QA L QAo L L H QB L QBo QAn QAn QAn ********* ********* ********* ********* ********* ********* QH L QHo QGn QGn QGn
QAo to Q Ho = Outputs remain unchanged. QAn to Q Gn = Data shifted from the previous stage on a positive edge at the clock input.
HD74HC164
Pin Arrangement
Serial Inputs
A B QA QB
1 A 2 3 4 5 6 7 (Top view) B QA QB QC QD QH QG QF QE CLR
14 VCC 13 QH 12 QG Outputs 11 QF 10 QE 9 8 Clear Clock
Outputs QC QD GND
CK
Timing Diagram
Clock A B Clear QA QB QC QD QE QF QG QH
2
HD74HC164
Logic Diagram
Clock A B
DQ CLR
DQ CLR
DQ CLR
DQ CLR
DQ CLR
DQ CLR
DQ CLR
DQ CLR
Clear
QA
QB
QC
QD
QE
QF
QG
QH
3
HD74HC164
DC Characteristics
Ta = 25C Item Input voltage Symbol VIH Ta = -40 to +85C Max -- -- -- 0.5 1.35 1.8 -- -- -- -- -- 0.1 0.1 0.1 0.33 0.33 1.0 40 A A I OL = 4 mA I OL = 5.2 mA Vin = VCC or GND Vin = VCC or GND, Iout = 0 A V I OH = -4 mA I OH = -5.2 mA Vin = VIH or VIL I OL = 20 A V Vin = VIH or VIL I OH = -20 A V Unit V Test Conditions
VCC (V) Min Typ Max Min 2.0 4.5 6.0 1.5 -- 3.15 -- 4.2 -- -- -- -- -- -- -- -- -- -- 0.5 1.5 3.15 4.2 --
VIL
2.0 4.5 6.0
1.35 -- 1.8 -- 1.9 4.4 5.9 4.13 5.63 -- -- --
Output voltage
VOH
2.0 4.5 6.0 4.5 6.0
1.9 2.0 -- 4.4 4.5 -- 5.9 6.0 -- 4.18 -- 5.68 -- -- -- -- -- -- -- -- -- --
VOL
2.0 4.5 6.0 4.5 6.0
0.0 0.1 0.0 0.1 0.0 0.1 -- -- -- --
0.26 -- 0.26 -- 0.1 -- 4.0 --
Input current Quiescent supply current
Iin I CC
6.0 6.0
4
HD74HC164
AC Characteristics (CL = 50 pF, Input tr = tf = 6 ns)
Ta = 25C Item Maximum clock frequency Symbol f max Ta = -40 to +85C Max 4 20 24 200 40 34 200 40 34 220 44 37 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 95 19 16 10 pF ns ns Clear ns Clock ns Clear to Clock ns Clock to A, B ns A, B to Clock ns Clear to Q ns ns Clock to Q Unit MHz Test Conditions
VCC (V) Min Typ Max Min 2.0 4.5 6.0 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 14 -- -- 15 -- -- 17 -- 5 25 29 -- -- --
Propagation delay t PHL time
2.0 4.5 6.0
160 -- 32 27 -- --
t PLH
2.0 4.5 6.0
160 -- 32 27 -- --
t PHL
2.0 4.5 6.0
175 -- 35 30 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 75 15 13 10 -- -- 125 25 21 5 5 5 5 5 5 100 20 17 100 20 17 -- -- -- --
Setup time
t su
2.0 4.5 6.0
100 -- 20 17 5 5 5 5 5 5 80 16 14 80 16 14 -- -- -- -- 1 -- -- 0 -- -- 0 -- -- 8 -- -- 5 -- -- 5 -- 5
Hold time
th
2.0 4.5 6.0
Removal time
t rem
2.0 4.5 6.0
Pulse width
tw
2.0 4.5 6.0 2.0 4.5 6.0
Output rise/fall time
t TLH t THL
2.0 4.5 6.0
Input capacitance
Cin
--
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
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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