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54ACT16543 View Datasheet(PDF) - Texas Instruments

Part NameDescriptionManufacturer
54ACT16543 16-BIT REGISTERED TRANSCEIVERS WITH 3-STATE OUTPUTS TI
Texas Instruments TI
54ACT16543 Datasheet PDF : 12 Pages
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54ACT16543, 74ACT16543
16-BIT REGISTERED TRANSCEIVERS
WITH 3-STATE OUTPUTS
SCAS126B – MARCH 1990 – REVISED APRIL 1996
PARAMETER MEASUREMENT INFORMATION
From Output
Under Test
CL = 50 pF
(see Note A)
500
500
2 × VCC
S1
Open
GND
TEST
tPLH/tPHL
tPLZ/tPZL
tPHZ/tPZH
S1
Open
2 × VCC
GND
LOAD CIRCUIT
Input
tw
3V
1.5 V
1.5 V
0V
VOLTAGE WAVEFORMS
Timing Input
(see Note B)
tsu
3V
1.5 V
0V
th
3V
Data Input
1.5 V
1.5 V
0V
VOLTAGE WAVEFORMS
Input
1.5 V
3V
1.5 V
0V
tPLH
In-Phase
Output
tPHL
Out-of-Phase
Output
50% VCC
50% VCC
tPHL
VOH
50% VCC
VOL
tPLH
VOH
50% VCC
VOL
VOLTAGE WAVEFORMS
Output
Control
(low-level
enabling)
tPZL
Output
Waveform 1
S1 at 2 × VCC
(see Note B)
Output
Waveform 2
S1 at GND
(see Note B)
tPZH
1.5 V
1.5 V
tPLZ
50% VCC
tPHZ
20% VCC
50% VCC
80% VCC
VOLTAGE WAVEFORMS
3V
0V
[ VCC
VOL
VOH
[0V
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 1 MHz, ZO = 50 , tr = 3 ns, tf = 3 ns.
D. The outputs are measured one at a time with one input transition per measurement.
Figure 1. Load Circuit and Voltage Waveforms
8
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