74LCX07MTR(2004) 데이터 시트보기 (PDF) - STMicroelectronics

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74LCX07MTR
(Rev.:2004)

LOW VOLTAGE CMOS HEX BUFFER (OPEN DRAIN) WITH 5V TOLERANT INPUTS

STMicroelectronics 

74LCX07

Table 8: AC Electrical Characteristics

Test Condition

Value

Symbol

Parameter

tPLZ

tPZL

tOSLH

tOSHL

Propagation Delay

Time

Propagation Delay

Time

Output To Output

Skew Time (note1,

2)

VCC

(V)

2.7

3.0 to 3.6

2.7

3.0 to 3.6

3.0 to 3.6

CL RL ts = tr

(pF) (Ω) (ns)

50 500 2.5

50 500 2.5

50 500 2.5

-40 to 85 °C

Min.

1.0

1.0

Max.

7.0

5.2

7.0

5.2

1.0

-55 to 125 °C

Min.

1.0

1.0

Max.

7.0

5.2

7.0

5.2

1.0

Unit

ns

ns

ns

1) Skew is defined as the absolute value of the difference between the actual propagation delay for any two outputs of the same device switch-

ing in the same direction, either HIGH or LOW (tOSLH = | tPLHm - tPLHn|, tOSHL = | tPHLm - tPHLn|)

2) Parameter guaranteed by design

Table 9: Capacitive Characteristics

Test Condition

Value

Symbol

Parameter

VCC

(V)

CIN Input Capacitance

3.3

COUT Output Capacitance

3.3

CPD Power Dissipation Capacitance

3.3

(note 1)

VIN = 0 to VCC

VIN = 0 to VCC

fIN = 10MHz

VIN = 0 or VCC

TA = 25 °C

Unit

Min. Typ. Max.

6

pF

14

pF

4.3

pF

1) CPD 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. ICC(opr) = CPD x VCC x fIN + ICC/6 (per gate)

Figure 3: Test Circuit

tPLH, tPHL

tPZL, tPLZ

tPZH, tPHZ

TEST

CL = 50 pF or equivalent (includes jig and probe capacitance)

RL = R1 = 500Ω or equivalent

RT = ZOUT of pulse generator (typically 50Ω)

4/11

SWITCH

Open

6V

GND

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