PI74LVC4245A

8-Bit Dual Supply Bus Transceiver

with 3-State Outputs

6

P-0.2

08/11/03

ADVANCE INFORMATION

PARAMETER MEASUREMENT INFORMATION FOR B TO A PORT

Load Circuit

Voltage Waveforms

Propagation Delay Times

Voltage Waveforms

Enable and Disable Times

Notes:

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.

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

Figure 1. Load Circuit and Voltage Waveforms

500Ω

500

Ω

Open

GND

S1

From Output

Under Test

CL = 50pF

(See Note A)

Input

0V

Output

1.5V

1.5V

3V

Output

Control

0V

1.5V

1.5V

0V

+0.3V

–0.3V

Output

Waveform 1

(see Note B)

Output

Waveform 2

S1 at GND

(see Note B)

3V

Test

S1

Open 2 x

GND