TRS3243CPWR datasheet(10/19 Pages) TI1

Part #	TRS3243CPWR

Description	3-V TO 5.5-V MULTICHANNEL RS-232 LINE DRIVER/RECEIVER WITH 짹15-kV ESD (HBM) PROTECTION

PDF	19 Pages

Scroll/Zoom	100%

Manufacturer	TI1 [Texas Instruments]

Direct Link	http://www.ti.com

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10 / 19 page

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TEST CIRCUIT

VOLTAGE WAVEFORMS

Ω

3 V

2.7 V

−2.7 V

INVALID

Output

Receiver

Input

Generator

(see Note B)

FORCEOFF

tvalid

ROUT

FORCEON

Auto-

powerdown

INVALID

DOUT

0 V

−3 V

DIN

CL = 30 pF

(see Note A)

VCC

0 V

2.7 V

−2.7 V

0.3 V

−0.3 V

0 V

Valid RS-232 Level, INVALID High

Indeterminate

If Signal Remains Within This Region

For More Than 30

µs, INVALID Is Low (see Note C)

Valid RS-232 Level, INVALID High

≈V+

0 V

≈V−

V+

VCC

ten

V−

NOTES: A. CL includes probe and jig capacitance.

B. The pulse generator has the following characteristics: PRR = 5 kbit/s, ZO = 50 Ω, 50% duty cycle, tr ≤ 10 ns, tf ≤ 10 ns.

C. Auto-powerdown disables drivers and reduces supply current to 1

µA.

50% VCC

2.7 V

−2.7 V

0.3 V

tinvalid

Supply

Voltages

TRS3243

3-V TO 5.5-V MULTICHANNEL RS-232 LINE DRIVER/RECEIVER

WITH

±15-kV ESD (HBM) PROTECTION

SLLS806 – JUNE 2007

PARAMETER MEASUREMENT INFORMATION (continued)

Figure 5. INVALID Propagation Delay Times and Supply Enabling Time

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