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74V2T74STR中文资料

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December 2001s

HIGH SPEED:

f MAX =170MHz (TYP .)at V CC =5V s

LOW POWER DISSIPA TION:I CC =1μA(MAX.)at T A =25°C

COMPATIBLE WITH TTL OUTPUTS:V IH =2V (MIN),V IL =0.8V (MAX)

POWER DOWN PROTECTION ON INPUTS SYMMETRICAL OUTPUT IMPEDANCE:|I OH |=I OL =8mA (MIN)

BALANCED PROPAGATION DELAYS:t PLH ?t PHL

OPERATING VOLTAGE RANGE:V CC (OPR)=4.5V to 5.5V

IMPROVED LATCH-UP IMMUNITY

DESCRIPTION

The 74V2T74is an advanced high-speed CMOS SINGLE D-TYPE FLIP FLOP WITH PRESET AND CLEAR fabricated with sub-micron silicon gate and double-layer metal wiring C 2MOS tecnology.

A signal on the D INPUT is transfered to the Q and Q OUTPUTS during the positive going transition of the clock pulse.

CLEAR and PRESET are independent of the clock and accomplished by a low setting on the appropriate input.

Power down protection is provided on all inputs and 0to 7V can be accepted on inputs with no regard to the supply voltage.This device can be used to interface 5V to 3V.

All inputs and outputs are equipped with protection circuits against static discharge,giving them ESD immunity and transient excess voltage.

74V2T74

SINGLE D-TYPE FLIP FLOP WITH PRESET AND CLEAR

This is preliminary information on a new product now in development are or undergoing evaluation.Details subject to change without notice.

PIN CONNECTION AND IEC LOGIC SYMBOLS

ORDER CODES

PACKAGE T &R SOT23-8L 74V2T70STR SOT323-8L

74V2T70CTR

SOT23-8L SOT323-8L

PRELIMINARY DATA

74V2T74

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INPUT EQUIVALENT CIRCUIT

PIN DESCRIPTION

TRUTH TABLE

X=Don’t care

LOGIC DIAGRAM

This logic diagram has not be used to estimate propagation delays

PIN No SYMBOL NAME AND FUNCTION 6CLR Asyncronous Reset -Direct Input 2D Data Input 1

Clock Input

(LOW to HIGH,Edge Triggered)

7PR Asyncronous Set -Direct Input

5Q True Flip-Flop Output 3Q Complement Flip-Flop Output

4GND Ground (0V)

V CC

Positive Supply Voltage

INPUTS

OUTPUTS

FUNCTION CLR PR 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 H L H

Q n

NO CHANGE

74V2T74

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ABSOLUTE MAXIMUM RATINGS

Absolute Maximum Ratings are those values beyond which damage to the device may occour.Functional operation under these condition is not implied

RECOMMENDED OPERATING CONDITIONS

1)V IN from 0.8V to 2V

Symbol Parameter

Value Unit V CC Supply Voltage -0.5to +7.0V V I DC Input Voltage -0.5to +7.0V V O DC Output Voltage -0.5to V CC +0.5

V I IK DC Input Diode Current -20

mA I OK DC Output Diode Current ±20mA I O DC Output Current ±25mA I CC or I GND DC V CC or Ground Current

±50mA T stg Storage Temperature -65to +150

°C T L

Lead Temperature (10sec)

300

°C

Symbol Parameter

Value Unit V CC Supply Voltage 4.5to 5.5V V I Input Voltage 0to 5.5V V O Output Voltage 0to 5.5V V O Output Voltage 0to V CC V T op Operating Temperqture

-55to 125°C dt/dv

Input Rise and Fall Time (note 1)(V CC =5.0±0.5V)

0to 20

ns/V

74V2T74

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DC SPECIFICATIONS

AC ELECTRICAL CHARACTERISTICS (Input t r =t f =3ns)

(*)Voltage range is 5.0V ±0.5V

Symbol

Parameter

Test Condition

Value Unit

V CC (V)T A =25°C -40to 85°C -55to 125°C Min.Typ.

Max.

Min.Max.

V IH High Level Input Voltage

4.5to

5.52

V V IL Low Level Input Voltage

4.5to

5.50.8

0.8

0.8V V OH High Level Ouput Voltage

4.5I O =-50μA 4.4 4.5

4.4 4.4V 4.5I O =-8mA 3.94

3.8

3.7

V OL Low Level Output Voltage

4.5I O =50μA 0.0

0.10.10.1V

4.5I O =8mA 0.360.440.55I I Input Leakage Current

0to 5.5V I =5.5V or GND ±0.1±1.0±1.0μA I CC Quiescent Supply Current

5.5V I =V CC or GND 11020μA I CC

Additional Worst Case Supply Current 5.5One Input at 3.4V,other input at V CC

or GND 1.35

1.5

mA I OPD

Output Leakage Current

V OUT =5.5V

0.5 5.0 5.0μA

Symbol

Parameter

Test Condition

Value Unit

V CC (V)C L (pF)T A =25°C -40to 85°C -55to 125°C Min.

Typ.Max.Min.Max.Min.Max.t PLH t PHL Propagation Delay Time CK to Q or Q 5.0(*)15 4.67.3 1.08.5 1.08.5ns 5.0(*)50 6.19.3 1.010.5 1.010.5t PLH t PHL Propagation Delay Time PR or CLR to Q or Q

5.0(*)15 4.87.7 1.09.0 1.09.0ns 5.0(*)50

6.3

9.7

1.011.0

t W CK Pulse Width HIGH or LOW 5.0(*) 5.0 5.0 5.0ns t W PR or CLR Pulse Width LOW

5.0(*) 5.0 5.0 5.0ns t s Setup Time D to CK HIGH or LOW

5.0(*) 5.0 5.0 5.0ns t h Hold Time D to CK HIGH or LOW 5.0(*)0.50.50.5ns t REM Removal Time PR or CLR to CK 5.0(*) 3.0 3.0 3.0ns f MAX

Maximum Clock Frequency

5.0(*)151001608080MHz

5.0(*)

5080

14065

74V2T74

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CAPACITIVE CHARACTERISTICS

1)C PD is defined as the value of the IC’s internal equivalent capacitance which is calculated from the operating current consumption without load.(Refer to Test Circuit).Average operating current can be obtained by the following equation.I CC(opr)=C PD x V CC x f IN +I CC

TEST CIRCUIT

C L =15/50pF or equivalent (includes jig and probe capacitance)R T =Z OUT of pulse generator (typically 50?)

Symbol

Parameter

Test Condition

Value Unit

V CC (V)T A =25°C -40to 85°C -55to 125°C Min.

Typ.Max.Min.

Max.Min.

Max.C IN Input Capacitance 5.0410

pF C PD

Power Dissipation Capacitance (note 1)

5.0

f IN =10MHz

74V2T74

WAVEFORM1:PROPAGATION DELAYS,SETUP AND HOLD TIMES(D TO CK),CK MAXIMUM FREQUENCY,CK MINIMUM PULSE WIDTH(f=1MHz;50%duty cycle)

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74V2T74 WAVEFORM2:PROPAGATION DELAYS,MINIMUMPULSE WIDTH(f=1MHz;50%duty cycle)

WAVEFORM3:REMOVAL TIME(f=1MHz;50%duty cycle)

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74V2T74

WAVEFORM4:PULSE WIDTHS 8/13

74V2T74

SOT23-8L MECHANICAL DATA

https://www.wendangku.net/doc/507875490.html,s

DIM.

MIN.TYP MAX.MIN.TYP.MAX.

A0.90 1.4535.457.1

A10.000.150.0 5.9

A20.90 1.3035.451.2

b0.220.388.614.9

C0.090.20 3.57.8

D 2.80 3.00110.2118.1

E 2.60 3.00102.3118.1

E1 1.50 1.7559.068.8

e0.6525.6

e1 1.9576.7

L0.350.5513.721.6

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74V2T74

10/13DIM.

https://www.wendangku.net/doc/507875490.html,s

MIN.TYP MAX.MIN.TYP.MAX. A0.80 1.1031.543.3 A10.000.100.0 3.9 A20.80 1.0031.534.9 b0.130.28 5.111.0 C0.100.18 3.97.1

D 1.80 2.2070.986.6

E 1.80 2.4070.994.5 E1 1.15 1.3545.353.1 e0.519.7

e1 1.559.0

L0.100.30 3.911.8

SOT323-8L MECHANICAL DATA

74V2T74 Tape&Reel SOT23-xL MECHANICAL DATA

mm.inch

DIM.

MIN.TYP MAX.MIN.TYP.MAX.

A1807.086

C12.813.013.20.5040.5120.519

D20.20.795

N60 2.362

T14.40.567

Ao 3.13 3.23 3.330.1230.1270.131

Bo 3.07 3.17 3.270.1200.1240.128

Ko 1.27 1.37 1.470.0500.0540.0.58

Po 3.9 4.0 4.10.1530.1570.161

P 3.9 4.0 4.10.1530.1570.161

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74V2T74

12/13DIM.

mm.inch

MIN.TYP MAX.MIN.TYP.MAX. A175180185 6.8897.0867.283 C12.81313.20.5040.5120.519 D20.20.795

N59.56060.5 2.362

T14.40.567 Ao 2.250.088

Bo 2.70.106

Ko 1.20.047

Po 3.984 4.20.1560.1570.165 P 3.984 4.20.1560.1570.165 Tape&Reel SOT323-xL MECHANICAL DATA

74V2T74 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 critical components in life support devices or systems without express written approval of STMicroelectronics.

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