SGS Thomson Microelectronics 74VHCT174A Datasheet



HEX D-TYPE FLIP FLOP WITH CLEAR

■ HIGHSPEED:

f

=150MHz(TYP.)at VCC=5V

MAX

■ LOW POWER DISSIPATION:

=4 µA (MAX.)at TA=25oC

I

CC

■ COMPATIBLEWITHTTLOUTPUTS:

V

=2V(MIN),VIL=0.8V(MAX)

IH

■ POWERDOWNPROTECTIONON INPUTS&

OUTPUTS

■ SYMMETRICALOUTPUTIMPEDANCE:

|I

|=IOL=8 mA(MIN)

OH

■ BALANCEDPROPAGATIONDELAYS:

t

≅ t

PLH

PHL

■ OPERATINGVOLTAGERANGE:

V

(OPR)= 4.5Vto 5.5V

CC

■ PINANDFUNCTIONCOMPATIBLEWITH

74SERIES174

■ IMPROVEDLATCH-UP IMMUNITY

■ LOWNOISE:V

DESCRIPTION

The 74VHCT174A is an advanced high-speed
CMOS HEX D-TYPE FLIP FLOP WITH CLEAR
fabricated with sub-micron silicon gate and
double-layermetal wiring C

Information signals applied to D inputs are

= 0.8V(Max.)

OLP

2

MOS technology.

74VHCT174A

PRELIMINARY DATA

SOP TSSOP

ORDER CODES

PACKAGE TUBE T & R

SOP 74VHCT174AM 74VHCT174AMTR

TSSOP 74VH C T174ATTR

transfered to the Q outputs on the positive going
edgeof theclock pulse.

Whenthe CLEAR input is held low, the Q outputs
are held low independentlyof the other inputs.

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

All inputs and outputs are equipped with
protection circuits against static discharge, giving
them 2KV ESD immunity and transient excess
voltage.

PIN CONNECTION AND IEC LOGICSYMBOLS

March 2000

1/10

74VHCT174A

INPUT EQUIVALENTCIRCUIT

TRUTH TABLE

INPUTS OUTPUTS FUNCTION

CLE AR D CLOCK Q

L X X L CLEAR
HL L
HH H
HX Q

X:Don’tCare

PIN DESCRIPTION

PI N No SYM BO L NAM E AND F U NCTION

1 CLEAR Asyncronous Master

Reset (Active LOW)

2,5,7,10,

12, 15

3,4,6,11,

13, 14

9 CLOCK Clock Input

8 GND Ground (0V)

16 V

n

Q0toQ5 Flip-Flop Outputs

D0toD5 Data Inputs

(LOW-to-HIGH, Edge­Triggered)

Positive Supply Voltage

CC

NOCHANGE

LOGICDIAGRAM

Thislogic diagram has not be used to estimate propagation delays

2/10

74VHCT174A

ABSOLUTE MAXIMUM RATINGS

Symb o l Para met er Value U n i t

V

V
V
V

I

I

OK

I

orI

I

CC

T

T

AbsoluteMaximumRatingsarethosevaluesbeyond whichdamage tothedevicemayoccur. Functionaloperation undertheseconditionisnotimplied.

1)V

=0

CC

2)HighorLowState

RECOMMENDED OPERATINGCONDITIONS

Symb o l Para met er Value Unit

V

V
V
V

T

dt/dv

1)VCC=0

2)HighorLowState
from0.8Vto 2 V

3)V

IN

Supply Voltage -0.5to+7.0 V

CC

DC Input Voltage -0.5to+7.0 V

I

DC Output Voltage (see note 1) -0.5to+7.0 V

O

DC Output Voltage (see note 2) -0.5toVCC+0.5 V

O

DC Input Diode Current -20 mA

IK

DC Output Diode Current
DC Output Current

O

DC VCCor Ground Current ±50 mA

GND

Storage Temperature -65to+150

stg

Lead Temperature (10 sec) 300

L

Supply Voltage 4.5to5.5 V

CC

Input Voltage 0to5.5 V

I

Output Voltage (see note 1) 0to5.5 V

O

Output Voltage (see note 2) 0toV

O

Operating Temperature -40to+85

op

Input Rise and Fall Time (see note 3) (V

=5.0±0.5V)

CC

20 mA

±

25 mA

±

CC

0to20 ns/V

o

C

o

C

V

o

C

DC SPECIFICATIONS

Symb o l Para met er Test Con diti ons Val u e Un i t

T

V

CC

High Level Input

V

IH

(V)

4.5to5.5 2 2 V

Min. Typ. Max. Min. Max.

Voltage
Low Level Input

V

IL

4.5to5.5 0.8 0.8 V

Voltage
High Level Output

V

OH

Voltage
Low Level Output

V

OL

Voltage
Input Leakage Current 0to5.5 VI=5.5Vor GND ±0.1 ±1.0 µA

I

I

Quiescent Supply

I

CC

4.5 IO=-50µA4.44.5 4.4

4.5 I

=-8mA 3.94 3.8

O

4.5 IO=50µA 0.0 0.1 0.1

4.5 I

=8mA 0.36 0.44

O

5.5 VI=VCCorGND 4 40

Current
Additional Worst Case

∆I

CC

Supply Current

5.5 One Input at3.4V,
other input at V

CC

or

GND

I

OPD

Output Leakage

0V

=5.5V 0.5 5.0 µA

OUT

Current

=25oC -40 to 85oC

A

1.35 1.5 mA

µ

V

V

A

3/10

74VHCT174A

AC ELECTRICAL CHARACTERISTICS

(Inputt

r=tf

=3 ns)

Symbol Parameter Test Condition Value Unit

t

Propagation Delay

PLH

t

Time

PHL

CK to Q

t

Propagation Delay

PHL

Time
CLR to Q

CLR pulse Width

t

w

LOW
CK pulse Width

t

w

HIGH or LOW
Setup Time D to CK

t

s

HIGH or LOW
Hold Time D to CK

t

h

HIGH or LOW
Removal Time

t

REM

CLR to CK
Maximum Clock

f

MAX

Frequency

(*) Voltagerangeis5V ± 0.5V

V

(V)

5.0

5.0

5.0

5.0

5.0

5.0

5.0

5.0

5.0

5.0

5.0

CC

C

L

(pF)

(*)
(*)

15 7.2 11.0 1.0 13.0
50

(*)
(*)

15 7.4 11.4 1.0 13.5
50

(*)

(*)

(*)

(*)

(*)

(*)
(*)

15 95 150 80
50

T

=25oC -40 to 85oC

A

Min. Typ. Max. Min. Max.

9.7 14.5 1.0 16.5

9.9 14.9 1.0 17.0

5.0 5.0

5.0 5.0

5.0 6.0

0.0 0.0

3.0 3.0

55 85 50

ns

ns

ns

ns

ns

ns

ns

MHz

CAPACITIVE CHARACTERISTICS

Symb o l Para met er Test Con diti ons Val u e Un i t

=25oC -40 to 85oC

T

A

Min. Typ. Max. Min. Max.

Input Capacitance 4 10 10

C

IN

Power Dissipation

C

PD

29 pF

Capacitance (note 1)

1)CPDisdefined as thevalueoftheIC’sinternalequivalentcapacitance whichiscalculatedfromtheoperatingcurrentconsumption without load.(Referto
TestCircuit).Average operatingcurrent canbeobtainedbythefollowingequation.I

(opr)= CPD• VCC• fIN+ICC/6(perFlip-Flop)

CC

pF

4/10

74VHCT174A

DYNAMICSWITCHING CHARACTERISTICS

Symb o l Para met er Test Con diti ons Val u e Un i t

T

V

CC

(V)

V
V

Dynamic Low Voltage

OLP

Quiet Output (note 1, 2)

OLV

Dynamic High Voltage

V

IHD

5.0

5.0 2.0

C

=50pF

L

Min. Typ. Max. Min. Max.

Input (note 1, 3)
Dynamic Low Voltage

V

ILD

5.0 0.8

Input (note 1, 3)

1)Worst casepackage.

2)Maxnumberofoutputsdefined as(n).Datainputsaredriven 0Vto3.0V,(n-1)outputsswitching andoneoutput atGND.

3)Maxnumberofdatainputs(n)switching.(n-1)switching0Vto3.0V.Inputsunder testswitching: 3.0Vtothreshold(V

TESTCIRCUIT

=25oC -40 to 85oC

A

0.3 0.8

-0.8 -0.3

),0Vtothreshold (V

ILD

),f=1MHz.

IHD

V

CL= 15/50 pForequivalent (includes jigand probecapacitance)
R

ofpulsegenerator(typically50Ω)

T=ZOUT

5/10

74VHCT174A

WAVEFORM1: PROPAGATIONDELAYS, SETUP AND HOLDTIMES

(f=1MHz;50% duty cycle)

6/10

74VHCT174A

WAVEFORM2: PROPAGATIONDELAYS

(f=1MHz;50% duty cycle)

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

7/10

74VHCT174A

SO-16 MECHANICALDATA

DIM.

MIN. TYP. MAX. MIN. TYP. MAX.

A 1.75 0.068
a1 0.1 0.2 0.004 0.007
a2 1.65 0.064

b 0.35 0.46 0.013 0.018
b1 0.19 0.25 0.007 0.010

C 0.5 0.019

c1 45 (typ.)

D 9.8 10 0.385 0.393

E 5.8 6.2 0.228 0.244

e 1.27 0.050
e3 8.89 0.350

F 3.8 4.0 0.149 0.157

G 4.6 5.3 0.181 0.208

L 0.5 1.27 0.019 0.050

M 0.62 0.024

S 8 (max.)

mm inch

8/10

P013H

TSSOP16 MECHANICAL DATA

74VHCT174A

DIM.

mm inch

MIN. TYP. MAX. MIN. TYP. MAX.

A 1.1 0.433

A1 0.05 0.10 0.15 0.002 0.004 0.006

A2 0.85 0.9 0.95 0.335 0.354 0.374

b 0.19 0.30 0.0075 0.0118

c 0.09 0.20 0.0035 0.0079

D 4.9 5 5.1 0.193 0.197 0.201

E 6.25 6.4 6.5 0.246 0.252 0.256

E1 4.3 4.4 4.48 0.169 0.173 0.176

e 0.65 BSC 0.0256 BSC

K0

o

o

4

o

8

o

0

o

4

L 0.50 0.60 0.70 0.020 0.024 0.028

o

8

A2

A

A1

PIN 1 IDENTIFICATION

b

e

c

K

L

E

D

E1

1

9/10

74VHCT174A

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