6.9 Switching Characteristics

over recommended operating free-air temperature range, CL = 50 pF (unless otherwise noted) (see Figure 7-1 and Figure

7-2)

PARAMETER

FROM

(INPUT)

TO

(OUTPUT)

VCCA = 5 V ± 0.5 V,

VCCB = 2.7 V to 3.6 V

UNIT

MIN

MAX

tPHL

A

B

1

6.3

ns

tPLH

1

6.7

tPHL

B

A

1

6.1

ns

tPLH

1

5

tPZL

OE

A

1

9

ns

tPZH

1

10

tPZL

OE

B

1

10.3

ns

tPZH

1

9.8

tPLZ

OE

A

1

7

ns

tPHZ

1

5.8

tPLZ

OE

B

1

7.7

ns

tPHZ

1

7.8

6.10 Operating Characteristics

VCCA = 4.5 V to 5.5 V, VCCB = 2.7 V to 3.6 V, TA = 25°C

PARAMETER

TEST CONDITIONS

TYP

UNIT

Cpd

Power dissipation capacitance per transceiver

Outputs enabled

CL = 0,

f = 10 MHz

39.5

pF

Outputs disabled

5

6.11 Typical Characteristics

2

4

6

8

10

12

14

0

50

100

150

200

250

300

CL – Load Capacitance – pF

VCC = 3 V,

TA = 25°C

One Output Switching

Four Outputs Switching

Eight Outputs Switching

Figure 6-1. Propagation Delay (Low to High

Transition)

vs Load Capacitance

2

4

6

8

10

0

50

100

150

200

250

300

CL – Load Capacitance – pF

VCC = 3 V,

TA = 25°C

One Output Switching

Four Outputs Switching

Eight Outputs Switching

Figure 6-2. Propagation Delay (High to Low

Transition)

vs Load Capacitance

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SN74LVC4245A

SCAS375J – MARCH 1994 – REVISED DECEMBER 2022

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