SN74LVC07AD datasheet(7/19 Pages) TI

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PARAMETER MEASUREMENT INFORMATION

1.5 V

3 V

VOL

tsu

From Output

Under Test

CL = 50 pF

(see Note A)

LOAD CIRCUIT

Open

GND

500

Ω

500

Ω

Output

Control

(low-level

enabling)

Output

Waveform 1

S1 at 6 V

(see Note B)

Output

Waveform 2

S1 at 6 V

(see Note B)

tPZL

tPZH

tPLZ

tPHZ

0 V

VOL + 0.3 V

2.7 V

0 V

2.7 V

0 V

2.7 V

3 V

VOLTAGE WAVEFORMS

SETUP AND HOLD TIMES

VOLTAGE WAVEFORMS

PULSE DURATION

VOLTAGE WAVEFORMS

ENABLE AND DISABLE TIMES

Timing

Input

Data

Input

tPZL (see Note F)

tPLZ (see Note G)

tPHZ/tPZH

6 V

TEST

NOTES: A. CL includes probe and jig capacitance.

B. Waveform 1 is for an output with internal conditions such that the output is low, except when disabled by the output control.

Waveform 2 is for an output with internal conditions such that the output is high, except when disabled by the output control.

C. All input pulses are supplied by generators having the following characteristics: PRR

≤ 10 MHz, ZO = 50 Ω, tr ≤ 2.5 ns, tf ≤ 2.5 ns.

D. The outputs are measured one at a time, with one transition per measurement.

E. Since this device has open-drain outputs, tPLZ and tPZL are the same as tpd.

F. tPZL is measured at 1.5 V.

G. tPLZ is measured at VOL + 0.3 V.

H. All parameters and waveforms are not applicable to all devices.

6 V

0 V

2.7 V

1.5 V

tPHL

1.5 V

2.7 V

0 V

3 V

VOL

Input

Output

VOLTAGE WAVEFORMS

PROPAGATION DELAY TIMES

1.5 V

tPLH

SN74LVC07A

HEX BUFFERS/DRIVERS

WITH OPEN-DRAIN OUTPUTS

SCAS595P – OCTOBER 1997 – REVISED JANUARY 2007

CC = 2.7 and 3.3 V ± 0.3 V

Figure 3. Load Circuit and Voltage Waveforms

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