CALVC164245IGQLREP datasheet(10/19 Pages) TI

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PARAMETER MEASUREMENT INFORMATION

VCCA/2

1.5 V

VOHA

VOLA

From Output

Under Test

CL = 30 pF

(see Note A)

LOAD CIRCUIT

Open

GND

500

Ω

500

Ω

Output

Control

(low-level

enabling)

Output

Waveform 1

S1 at 2

× VCCA

(see Note B)

Output

Waveform 2

S1 at GND

(see Note B)

tPZL

tPZH

tPLZ

tPHZ

0 V

VOL + 0.15 V

VOH − 0.15 V

0 V

2.7 V

VOLTAGE WAVEFORMS

ENABLE AND DISABLE TIMES

tpd

tPLZ/tPZL

tPHZ/tPZH

Open

× VCCA

GND

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 ns, tf≤2 ns.

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

E. tPLZ and tPHZ are the same as tdis.

F. tPZL and tPZH are the same as ten.

G. tPLH and tPHL are the same as tpd.

tPHL

1.5 V

2.7 V

0 V

VOHA

VOLA

Input

Output

VOLTAGE WAVEFORMS

PROPAGATION DELAY TIMES

VCCA/2

tPLH

× VCCA

VCCA

SN74ALVC164245-EP

16-BIT 2.5-V TO 3.3-V/3.3-V TO 5-V LEVEL-SHIFTING TRANSCEIVER

WITH 3-STATE OUTPUTS

SCAS774A – JUNE 2004 – REVISED SEPTEMBER 2005

CCB = 3.3 V ± 0.3 V to VCCA = 2.5 V ± 0.2 V

Figure 2. Load Circuit and Voltage Waveforms

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