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PARAMETER MEASUREMENT INFORMATION

VCC

0

0

V+

V−

VCC

0

Driver

Inputs

Receiver

Inputs

}

INVALID

Output

Driver

Outputs

VCC

Invalid

Region

Ready

Output

VOLTAGE WAVEFORMS

TEST CIRCUIT

50

Ω

Generator

(see Note B)

ROUT

Auto-Powerdown

Plus

INVALID

DOUT

DIN

(see Note A)

2.7 V

−2.7 V

0.3 V

−0.3 V

0 V

Valid RS-232 Level, INVALID High

Indeterminate

Indeterminate

If Signal Remains Within This Region

For More Than 30

Valid RS-232 Level, INVALID High

current to 1

µA.

FORCEON

FORCEOFF

TRS3318

2.5-V 460-kbps RS-232 TRANSCEIVER

WITH ±15-kV ESD PROTECTION

SLLS820 – AUGUST 2007

Figure 4. INVALID Propagation Delay Times and Supply Enabling Time

Copyright © 2007, Texas Instruments Incorporated

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Product Folder Link(s): TRS3318