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SN74LVCC3245A Datasheet(PDF) 10 Page - Texas Instruments

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Part No. SN74LVCC3245A
Description  OCTAL BUS TRANSCEIVER WITH ADJUSTABLE OUTPUT VOLTAGE AND 3-STATE OUTPUTS
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Maker  TI [Texas Instruments]
Homepage  http://www.ti.com
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SN74LVCC3245A Datasheet(HTML) 10 Page - Texas Instruments

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PARAMETER MEASUREMENT INFORMATION FOR A AND B PORT
From Output
Under Test
CL = 50 pF
(see Note A)
LOAD CIRCUIT
S1
7 V
Open
GND
500
500
2.7 V
0 V
tw
VOLTAGE WAVEFORMS
PROPAGATION DELAY TIMES
NONINVERTING OUTPUTS
VOLTAGE WAVEFORMS
PULSE DURATION
tPLH
tPHL
VOH
VOL
Output
Control
Output
Waveform 1
S1 at 7 V
(see Note B)
Output
Waveform 2
S1 at Open
(see Note B)
VOL
VOH
tPZL
tPZH
tPLZ
tPHZ
3.5 V
0 V
VOL + 0.3 V
VOH - 0.3 V
≈0 V
2.7 V
VOLTAGE WAVEFORMS
ENABLE AND DISABLE TIMES
LOW- AND HIGH-LEVEL ENABLING
Output
tPLH/tPHL
tPLZ/tPZL
tPHZ/tPZH
Open
7 V
Open
TEST
S1
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. All parameters and waveforms are not applicable to all devices.
Input
2.7 V
0 V
Input
1.5 V
1.5 V
1.5 V
1.5 V
1.5 V
1.5 V
1.5 V
1.5 V
1.5 V
1.5 V
SN74LVCC3245A
OCTAL BUS TRANSCEIVER
WITH ADJUSTABLE OUTPUT VOLTAGE AND 3-STATE OUTPUTS
SCAS585O – NOVEMBER 1996 – REVISED MARCH 2005
V
CCA AND VCCB = 3.6 V
Figure 4. Load Circuit and Voltage Waveforms
10


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