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SN74ABTE16246 Datasheet(PDF) 9 Page - Texas Instruments

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Part No. SN74ABTE16246
Description  11-BIT INCIDENT-WAVE SWITCHING BUS TRANSCEIVER WITH 3-STATE AND OPEN-COLLECTOR OUTPUTS
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

SN74ABTE16246 Datasheet(HTML) 9 Page - Texas Instruments

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SN74ABTE16246
11-BIT INCIDENT-WAVE SWITCHING BUS TRANSCEIVER
WITH 3-STATE AND OPEN-COLLECTOR OUTPUTS
SCBS227J – JULY 1993 – REVISED AUGUST 2003
9
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
PARAMETER MEASUREMENT INFORMATION
From Output
Under Test
LOAD CIRCUIT
S2
7 V
Open
500
SWITCHING TABLE LOADS
tPLH/tPHL (9A–11A and B port)
tPLH/tPHL (1A–8A)
tPLZ/tPZL
tPHZ/tPZH (except 1A–8A)
S1
Up
Up
Up
Up
tPLH
tPHL
Output
Output
Control
(low-level
enabling)
Output
Waveform 1
S2 at 7 V
(see Note B)
Output
Waveform 2
S2 at Open
(see Note B)
VOL
VOH
tPZL
tPZH
tPLZ
tPHZ
1.5 V
1.5 V
1.5 V
1.5 V
3.5 V
3 V
0 V
1.5 V
1.5 V
VOH
VOL
0 V
1.5 V
VOL + 0.3 V
1.5 V
VOH – 0.3 V
≈0 V
3 V
Input
CL = 50 pF
(see Note A)
VOLTAGE WAVEFORMS
PROPAGATION DELAY TIMES
VOLTAGE WAVEFORMS
ENABLE AND DISABLE TIMES
500
S1
94
3.65 V
2 nF
S2
Open
7 V
7 V
Open
RX
RX = 13, 26, or 56 Ω
EXTENDED
SWITCHING TABLE LOADS
tPLH/tPHL/tsk (A port)
tPLH/tPHL/tsk (B port)
tt (A port) (see Note E)
tt (B port) (see Note F)
Down
Up
Down
Up
X
Open
X
Open
S1
S2
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. tt is measured between 1 V and 2 V of the output waveform.
F. tt is measured between 10% and 90% of the output waveform.Figure 1
Figure 2. Load Circuit and Voltage Waveforms


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