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HD74HC323
8-bit Universal Shift/Storage Register (with 3-state Outputs)
Description
This eight-bit universal register features multiplexed I/O ports to achieve full eight bit data handling in a single 20-pin package. HD74HC323 applications are as stacked or push-down registers, buffer storage, and accumulator registers. Two function-select inputs and two output control inputs can be used to choose the modes of operation listed in the function table. Synchronous parallel loading is accomplished by taking both function-select lines S0 and S1 high. This places the three-state outputs in a high-impedance state, which permits data that is applied on the I/O ports to be clocked into the register. Reading out of this register can be accomplished while the outputs are enabled in any mode. The clear function is synchronous, and a low level at the clear input clears the register on the next low-to-high transition of the clock.
Features
* * * * * High Speed Operation: tpd (Clock to Q) = 20 ns typ (CL = 50 pF) High Output Current: Fanout of 15 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 (Ta = 25C)
HD74HC323
Function Table
Inputs Function Select Mode Clear Clear L L Hold H H Shift Right Shift Left Load H H H H H S1 X L L X L L H H H S0 L X L X H H L L H Output Control G1 G2 L L L L L L L L X L L L L L L L L X X L Serial Inputs/Outputs Outputs QH' L L QH0 QH0 QGn QGn H L h
Clock SL SR A/QA B/QB C/QC D/QD E/QE F/QF G/Q G H/QH QA' X X X X X X H L X X X X X H L X X X L L QA0 QA0 H L QBn QBn a L L QB0 QB0 QAn QAn QCn QCn b L L QC0 QC0 QBn QBn QDn QDn c L L QD0 QD0 QCn QCn QEn QEn d L L QE0 QE0 QDn QDn QFn QFn e L L QF0 QF0 QEn QEn QGn QGn f L L QG0 QG0 QFn QFn QHn QHn g L L QH0 QH0 QGn QGn H L h L L QA0 QA0 H L QBn QBn a
a ... h = the level of the steady-state input at A through H, respectively. These data are loaded into the flipflops while the flip-flop outputs are isolated from the input/output terminals.
Pin Arrangement
S0 Output controls G1 G2 G/QC E/QE C/QC A/QA QA' Clear
1 2
G S0 S1 SL G/QC E/QE C/QC A/QA QA Clear SR QH H/QH F/QF D/QD B/QB CK
20 VCC 19 S1 18 Shift left SL
3 4 5 6 7 8 9
17 QH' 16 H/QH 15 F/QF 14 D/QD 13 B/QB 12 Clock 11 Shift right SR
GND 10 (Top view)
2
HD74HC323
Absolute Maximum Ratings
Item Supply voltage range Input voltage Output voltage Output current DC current drain per VCC, GND DC input diode current DC output diode current Power dissipation per package Storage temperature Symbol VCC VIN VOUT I OUT I CC, I GND I IK I OK PT Tstg Rating -0.5 to +7.0 -0.5 to VCC + 0.5 -0.5 to VCC + 0.5 35 75 20 20 500 -65 to +150 Unit V V V mA mA mA mA mW C
Logic Diagram
QH' SL
H/QH
G/QG
F/QF
E/QE
D/QD
C/QC
B/QB
CK CK CK CK CK CK
CK CK CK CK
A/QA
SR S0
S1 Clear
Clock
QA' G1 G2
3
HD74HC323
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 0.33 0.33 5.0 1.0 40 A A A QA', QH ' QA to QH I OH = 6 mA I OH = 7.8 mA I OH = 4 mA I OH = 5.2 mA Vin = VIH or VIL, Vout = VCC or GND Vin = VCC or GND Vin = VCC or GND, Iout = 0 A V Vin = VIH or VIL QA', QH ' QA to QH I OH = -6 mA I OH = -7.8 mA I OH = -4 mA I OH = -5.2 mA I OL = 20 A V Vin = VIH or VIL I OH = -20 A V Unit Test Conditions V
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 4.13 5.63 -- -- --
Output voltage
VOH
2.0 4.5 6.0 4.5 6.0 4.5 6.0
1.9 2.0 -- 4.4 4.5 -- 5.9 6.0 -- 4.18 -- 5.68 -- 4.18 -- 5.68 -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
VOL
2.0 4.5 6.0 4.5 6.0 4.5 6.0
0.0 0.1 0.0 0.1 0.0 0.1 -- -- -- -- -- -- --
0.26 -- 0.26 -- 0.26 -- 0.26 -- 0.5 -- 0.1 -- 4.0 --
Off-state output current Input current Quiescent supply current
I OZ Iin I CC
6.0 6.0 6.0
4
HD74HC323
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 21 24 190 38 33 220 44 37 190 38 33 190 38 33 95 19 16 75 15 13 10 pF ns Q ns QA', QH ' ns ns ns Clock to Q ns Clock to QA' or QH ' Unit MHz Test Conditions
VCC (V) Min Typ Max Min 2.0 4.5 6.0 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 18 -- -- 20 -- -- 14 -- -- 15 -- -- 5 -- -- 4 -- 5 5 27 31 -- -- --
Propagation delay t PLH time t PHL
2.0 4.5 6.0 2.0 4.5 6.0
150 -- 30 26 -- --
175 -- 35 30 -- --
Output enable time
t ZH t ZL
2.0 4.5 6.0
150 -- 30 26 -- --
Output disable time
t HZ t LZ
2.0 4.5 6.0
150 -- 30 26 75 15 13 60 12 10 10 -- -- -- -- -- -- -- -- --
Output rise/fall time
t TLH t THL
2.0 4.5 6.0 2.0 4.5 6.0
Input capacitance
Cin
--
5
Unit: mm
24.50 25.40 Max 20 11 7.00 Max 6.30 1 0.89
1.27 Max
10 1.30 2.54 Min 5.08 Max 7.62
0.51 Min
2.54 0.25
0.48 0.10
0.25 - 0.05 0 - 15
+ 0.11
Hitachi Code JEDEC EIAJ Weight (reference value)
DP-20N -- Conforms 1.26 g
Unit: mm
12.6 13 Max
20
11
1
10
5.5
0.80 Max
2.20 Max
*0.22 0.05 0.20 0.04
0.20 7.80 + 0.30 -
1.15
0 - 8
0.70 0.20
1.27 *0.42 0.08 0.40 0.06
0.12 M
*Dimension including the plating thickness Base material dimension
0.10 0.10
0.15
Hitachi Code JEDEC EIAJ Weight (reference value)
FP-20DA -- Conforms 0.31 g
Unit: mm
12.8 13.2 Max 20 11 7.50 1 0.935 Max 10
2.65 Max
*0.27 0.05 0.25 0.04
0.25 10.40 + 0.40 -
1.45
0.20 0.10
0 - 8
0.57 0.70 + 0.30 -
1.27
*0.42 0.08 0.40 0.06
0.15 0.12 M
Hitachi Code JEDEC EIAJ Weight (reference value) FP-20DB Conforms -- 0.52 g
*Dimension including the plating thickness Base material dimension
Unit: mm
6.50 6.80 Max 20 11 4.40 1 10 0.65 0.20 0.06 *0.22+0.08 -0.07 0.13 M 0.65 Max *0.17 0.05 0.15 0.04 1.10 Max 0.07 +0.03 -0.04 0 - 8 0.50 0.10 1.0 6.40 0.20 0.10
*Dimension including the plating thickness Base material dimension
Hitachi Code JEDEC EIAJ Weight (reference value)
TTP-20DA -- -- 0.07 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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