TL3695

DIFFERENTIAL BUS TRANSCEIVER

SLLS044D − NOVEMBER 1988 − REVISED DECEMBER 1999

7

POST OFFICE BOX 655303

• DALLAS, TEXAS 75265

switching characteristics over recommended ranges of supply voltage and operating free-air

temperature range, CL = 15 pF

PARAMETER

TEST CONDITIONS

MIN

TYP†

MAX

UNIT

tPLH

Propagation delay time, low- to high-level output

VID = − 1.5 V to 1.5 V,

14

37

ns

tPHL

Propagation delay time, high- to low-level output

VID = 1.5 V to 1.5 V,

See Figure 7

14

37

ns

tPZH

Output enable time to high level

See Figure 8

7

20

ns

tPZL

Output enable time to low level

See Figure 8

7

20

ns

tPHZ

Output disable time from high level

See Figure 8

7

16

ns

tPLZ

Output disable time from low level

See Figure 8

8

16

ns

† All typical values are at VCC = 5 V and TA = 25°C.

PARAMETER MEASUREMENT INFORMATION

VOD2

VOC

R

L

2

R

L

2

Figure 1. Driver VOD and VOC

VOD3

375

Ω

375

Ω

60

Ω

Vtest

Figure 2. Driver VOD3

50

Ω

Generator

(see Note B)

3 V

CL1 = 100 pF

(see Note A)

CL2 = 100 pF

(see Note A)

RL = 60 Ω

Output

Output

Input

td(ODH)

td(ODL)

tt(OD)

tt(OD)

3 V

0 V

≈2.5 V

≈ −2.5 V

50%

50%

90%

10%

1.5 V

1.5 V

TEST CIRCUIT

VOLTAGE WAVEFORMS

NOTES: A. CL includes probe and jig capacitance.

B. The input pulse is supplied by a generator having the following characteristics: PRR

≤ 1 MHz, 50% duty cycle, tr ≤ 6 ns, tf ≤ 6 ns,

ZO = 50 Ω.

Figure 3. Driver Differential-Output Test Circuit and Voltage Waveforms