5.9 Switching Characteristics –– Driver

over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted)(2) (see Figure 8-1)

MAX3243C, MAX3243I

PARAMETER

TEST CONDITIONS

MIN

TYP(1) MAX

UNIT

Maximum data rate

RL = 3 kΩ

One DOUT switching,

CL = 1000 pF

See Figure 6-1

150

250

kbit/s

tsk(p)

Pulse skew(3)

RL = 3 kΩ to 7 kΩ

CL = 150 pF to 2500 pF

See Figure 6-3

100

ns

SR(tr)

Slew rate, transition region

(see Figure 6-1)

VCC = 3.3 V,

RL = 3 kΩ to 7 kΩ

CL = 150 pF to 1000 pF

6

30

V/μs

CL = 150 pF to 2500 pF

4

30

(1)

All typical values are at VCC = 3.3 V or VCC = 5 V, and TA = 25°C.

(2)

Test conditions are C1–C4 = 0.1 μF at VCC = 3.3 V + 0.3 V; C1 = 0.047 μF, C2–C4 = 0.33 μF at VCC = 5 V ± 0.5 V.

(3)

Pulse skew is defined as |tPLH – tPHL| of each channel of the same device.

5.10 Switching Characteristics –– Receiver

over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted)(2)

PARAMETER

TEST CONDITIONS

TYP(1)

UNIT

tPLH

Propagation delay time, low- to high-level output

CL = 150 pF,

See Figure 6-3

150

ns

tPHL

Propagation delay time, high- to low-level output

150

ns

ten

Output enable time

CL = 150 pF, RL = 3 kΩ,

See Figure 6-4

200

ns

tdis

Output disable time

200

ns

tsk(p)

Pulse skew(3)

See Figure 6-3

50

ns

(1)

All typical values are at VCC = 3.3 V or VCC = 5 V, and TA = 25°C.

(2)

Test conditions are C1–C4 = 0.1 μF at VCC = 3.3 V ± 0.3 V; C1 = 0.047 μF, C2–C4 = 0.33 μF at VCC = 5 V ± 0.5 V.

(3)

Pulse skew is defined as |tPLH - tPHL| of each channel of the same device.

5.11 Typical Characteristics

VCC = 3.3 V

0

1

2

3

4

5

6

0

5

10

15

20

25

30

35

Load Current (mA)

VOH

C001

Figure 5-1. DOUT VOH vs Load Current

±6

±5

±4

±3

±2

±1

0

0

5

10

15

20

25

30

35

Load Current (mA)

VOL

C001

Figure 5-2. DOUT VOL vs Load Current

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MAX3243

SLLS350Q – APRIL 1999 – REVISED AUGUST 2024

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