ST M74HC74 handbook
Contents
1. Test Condition Value Symbol Parameter 25 40 to 85 C 55 to 125 Unit Min Min Max Min Output Transition 2 0 30 75 95 110 Time 4 5 8 15 19 22 ns 6 0 7 13 16 19 Propagation Delay 2 0 48 150 190 225 Time CK Q Q 4 5 16 30 38 45 ns 6 0 13 26 32 38 Propagation Delay 2 0 51 150 190 225 Time PR 45 17 30 38 45 ns 6 0 15 26 32 38 fmax Clock 2 0 6 2 21 5 4 2 4 5 31 63 25 21 MHz 6 0 37 67 30 25 Minimum Pulse 2 0 18 75 95 110 Width CK 4 5 6 15 19 22 ns 6 0 6 13 16 19 tw Minimum Pulse 2 0 21 75 95 110 Width CLR PR 4 5 7 15 19 22 ns 6 0 6 13 16 19 ts Minimum Set up 2 0 15 75 95 110 Time 4 5 4 15 19 22 ns 6 0 3 13 16 19 th Minimum Hold 2 0 0 0 0 4 5 0 0 0 5 6 0 0 0 0 trem Minimum Removal 2 0 0 25 30 35 Time CLR PR to 4 5 0 5 6 7 CK um 6 0 0 4 5 6 CAPACITIVE CHARACTERISTICS Test Condition Value Symbol Parameter 25 40 to 85 55 to 125 Unit Min Typ Min Max Min Input Capacitance 5 0 5 10 10 10 pF Cpp Power Dissipation Capacitance note 5 0 34 pF 1 1 is defined as the value of the IC s internal equivalent capacitance which is calculated from the operating current consumpti2. 74 74 DUAL D TYPE WITH PRESET AND CLEAR HIGH SPEED 67MHz 6 LOW POWER DISSIPATION Icc 2 at TA 25 C m HIGH NOISE IMMUNITY Vin 28 MIN m SYMMETRICAL OUTPUT IMPEDANCE 4mA MIN m BALANCED PROPAGATION DELAYS tPLH WIDE OPERATING VOLTAGE RANGE Voc 2V to 6V m PIN AND FUNCTION COMPATIBLE WITH 74 SERIES 74 DESCRIPTION The M74HC74 is an high speed CMOS DUAL D TYPE FLIP FLOP WITH CLEAR fabricated with silicon gate 2 technology A signal on the D INPUT is transferred on the Q OUTPUT during the positive going transition of the clock pulse CLEAR and PRESET PIN CONNECTION AND IEC LOGIC SYMBOLS July 2001 ORDER CODES TUBE DP WAHOMBIR SOP Css ____________ independent of the clock and accomplished by a low on the appropriate input All inputs are equipped with protection circuits against static discharge and transient excess voltage T amp R 1611331 1 12 74 74 AND OUTPUT EQUIVALENT CIRCUIT PIN DESCRIPTION PIN No SYMBOL NAME AND FUNCTION 1 13 1CLR 2CLR Asynchronous Reset Direct Input 2 12 1D 2D Data Inputs Clock Input OUTPUT 3
3. 11 1CK 2CK LOW to HIGH Edge Triggered 4 10 1PR Asynchronous Set Direct Input 5 9 10 20 True Flip Flop Outputs 4 Complement Flip Flop scoseso 6 3 1Q 2Q Outputs 7 GND Ground 0V 14 Supply Voltage INPUTS OUTPUTS FUNCTION CLR P D CK Q Q L H X X L H CLEAR H L X X H L PRESET L L X X H H H H L L H H H H L H H L Qn Qn NO CHANGE X Don t Care LOGIC DIAGRAM CLOCK DATA This logic diagram has not be used to estimate propagation delays 2 12 4 ABSOLUTE MAXIMUM RATINGS M74HC74 Symbol Parameter Value Unit Voc Supply Voltage 0 5 to 7 Vi DC Input Voltage 0 5 to Voc 0 5 V Vo DC Output Voltage 0 5 to Voc 0 5 V lik DC Input Diode Current 20 mA DC Output Diode Current 20 DC Output Current t25 mA Icc or lanp DC Vec or Ground Current 50 Pp Power Dissipation 500 mW Tstg Storage Temperature 65 to 4150 C TL Lead Temperature 10 sec 300 Absolute Maximum Ratings are those values beyond which damage to the device may occur Functional operation under these conditions is not implied 500mW at 65 derate to 300mW by 10mW C from 65 C to 85 C RECOMMENDED OPERATING CONDITIONS Symbol Parameter Value Unit Voc Supply Voltage 206 VI Input Voltage 0 to V Vo Out
4. 9 0 25 0 007 0 010 DIM C 0 5 0 019 45 8 55 8 75 0 336 0 344 5 8 6 2 0 228 0 244 1 27 0 050 4 6 5 3 0 181 0 208 0 68 0 026 5 8 3 G Ht ci ULILIHILILILIO lt G PO13G 10 12 74 74 TSSOP14 MECHANICAL DATA r PIN 1 IDENTIFICATION 1 inch DIM MIN TYP MAX MIN TYP MAX A 1 2 0 047 A1 0 05 0 15 0 002 0 004 0 006 A2 1 05 0 031 0 039 0 041 b 0 19 umm 0 30 0 007 0 012 0 20 0 004 0 0089 4 9 5 5 1 0 193 0 197 0 201 6 2 6 4 6 6 0 244 0 252 0 260 1 4 3 4 4 4 48 0 169 0 173 0 176 0 65 0 0256 0 8 0 8 L 0 45 0 60 0 75 0 018 0 024 0 030 SCO L 7 Te D 0080337D 11 12 74 74 Information furnished is believed to be accurate and reliable However STMicroelectronics assumes no responsibility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use No license is granted by implication or otherwise under any patent or patent rights of STMicroelectronics Specifications mentioned in this publication are subject to change without notice This publication supersedes and replaces all information previously supplied STMicroelectronics products are not authorized for use as cri
5. on without load Refer to Test Circuit Average operating current can be obtained by the following equation Cpp X X fin 2 per FLIP FLOP 4 5 2 74 74 TEST CIRCUIT SC12220 C 50pF or equivalent includes jig and probe capacitance Zour of pulse generator typically 509 WAVEFORM 1 nCK TO nQ nQ PROPAGATION DELAY TIMES nD TO SETUP AND HOLD TIMES nCK MINIMUM PULSE WIDTH MAXIMUM nCK FREQUENCY f 1MHz 50 duty cycle 505690 6 12 74 74 WAVEFORM 2 0 CLR PR PROPAGATION DELAY TIMES MINIMUM PULSE WIDTH nCLR and nPR f 1MHz 50 duty cycle 503700 WAVEFORM 3 MINIMUM PULSE WIDTH nCLR and nPR MINIMUM REMOVAL TIME nCLR and nPR TO nCK f 1MHz 50 duty cycle nCL nPR GND 2076 GND 503710 712 74 74 WAVEFORM 4 MINIMUM PULSE WIDTH nCLR nPR nCK f 1MHz 50 duty cycle GND CS03720 8 12 74 74 Plastic DIP 14 MECHANICAL DATA mm inch MIN TYP MIN TYP MAX B 1 39 1 65 0 055 0 065 b 0 5 0 020 E 8 5 0 335 e 2 54 0 100 15 24 0 600 F 7 1 0 280 Z 1 27 2 54 0 050 0 100 P001A 9 12 74 74 50 14 MECHANICAL DATA mm inch TYP MAX MIN TYP MAX 1 75 0 068 a2 1 65 0 064 b 0 35 0 46 0 013 0 018 b1 0 1
6. put Voltage 0 to V Top Operating Temperature 55 to 125 Input Rise and Fall Time Voc 2 0V 0 to 1000 ns tht 4 5V 0 to 500 ns 6 0V 0 to 400 ns yy 3 12 74 74 DC SPECIFICATIONS Test Condition Value Symbol Parameter 25 40 to 85 C 55 to 125 C Unit Min Typ Min Max Min Vin High Level Input 2 0 1 5 1 5 1 5 Voltage 4 5 3 15 3 15 3 15 6 0 4 2 4 2 4 2 Vit Low Level Input 2 0 0 5 0 5 0 5 Voltage 4 5 1 35 1 35 1 35 V 6 0 18 18 1 8 Vou Level Output 2 0 20 uA 19 2 0 1 9 1 9 voltage 4 5 lo 20 pA 44 45 4 4 4 4 6 0 20 uA 59 60 5 9 5 9 V 4 5 4 0 mA 4 18 4 31 4 13 4 10 6 0 0 5 2 mA 5 68 5 8 5 63 5 60 Vo Level Output 2 0 20 uA 0 0 0 1 0 1 0 1 Voltage 45 10 20 pA 0 0 0 1 0 1 0 1 6 0 20 pA 0 0 0 1 0 1 Ost v 4 5 4 0 mA 0 17 0 26 0 33 0 40 6 0 5 2 mA 0 18 0 26 0 33 0 40 60 or GND 0 1 1 1 pA Quiescent Supply Voc or GND 2 20 40 pA 412 ELECTRICAL CHARACTERISTICS C 50 pF Input t t 6ns M74HC74
7. tical components in life support devices or systems without express written approval of STMicroelectronics The ST logo is a registered trademark of STMicroelectronics 2001 STMicroelectronics Printed in Italy Rights Reserved STMicroelectronics GROUP OF COMPANIES Australia Brazil China Finland France Germany Hong Kong India Italy Japan Malaysia Malta Morocco Singapore Spain Sweden Switzerland United Kingdom http www st com 12 12
Download Pdf Manuals
Related Search
ST M74HC74 handbook