10

SN54HC244, SN74HC244

SCLS130E – DECEMBER 1982 – REVISED MAY 2016

www.ti.com

Product Folder Links: SN54HC244 SN74HC244

Submit Documentation Feedback

Copyright © 1982–2016, Texas Instruments Incorporated

Parameter Measurement Information (continued)

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. Phase relationships between waveforms were chosen arbitrarily. All input pulses are supplied by

generators having the following characteristics: PRR

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

Table 1. Switching Information Table

PARAMETER

RL

CL

S1

S2

1 k

Ω

50 pF or 150 pF

Open

Closed

1 k

Ω

50 pF or 150 pF

Closed

Open

1 k

Ω

50 pF

Open

Closed

1 k

Ω

50 pF

Closed

Open

—

50 pF or 150 pF

Open

Open