6 Parameter Measurement Information

TEST CIRCUIT

VOLTAGE WAVEFORMS

0 V

Output

VOH

VOL

10%

90%

90%

10%

tTLH

tTHL

tPLH

tPHL

2.5 V

−2.5 V

50%

Input

Device

Under

Test

A

B

VCC

CL = 50 pF

(see Note A)

Input

A.

CL includes probe and jig capacitance.

Figure 6-1. Switching Test Circuit and Voltage Waveforms

TEST CIRCUIT

Device

Under

Test

G Input

G Input

VCC

S1

RL = 1 kΩ

CL = 50 pF

(see Note A)

VID = ±2.5 V

VOLTAGE WAVEFORMS

tPZL, tPLZ Measurement: S1 to VCC

tPZH, tPHZ Measurement: S1 to GND

1.3 V

G

G

(see Note B)

Output

(with VID = 2.5 V)

Output

(with VID = −2.5 V)

tPZH

tPHZ

tPZH

tPHZ

tPZL

tPLZ

tPZL

tPLZ

VOH −0.5 V

VOL + 0.5 V

VOH −0.5 V

VOL + 0.5 V

3 V

0 V

3 V

0 V

VOH

VOL

VOH

VOL

1.3 V

50%

50%

A Input

B Input

A.

CL includes probe and jig capacitance.

B.

The input pulse is supplied by a generator having the following characteristics: PRR = 1 MHz, duty cycle ≤ 50%, tr = tf = 6 ns.

Figure 6-2. Enable/Disable Time Test Circuit and Output Voltage Waveforms

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AM26C32, AM26C32C, AM26C32M, AM26C32I

SLLS104M – DECEMBER 1990 – REVISED OCTOBER 2023

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