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74AC11245DWE4 View Datasheet(PDF) - Texas Instruments

Part NameDescriptionManufacturer
74AC11245DWE4 OCTAL BUS TRANSCEIVER WITH 3-STATE OUTPUTS TI
Texas Instruments TI
74AC11245DWE4 Datasheet PDF : 20 Pages
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operating characteristics, VCC = 5 V, TA = 25°C
PARAMETER
Cpd
Power dissipation capacitance per transceiver
74AC11245
OCTAL BUS TRANSCEIVER
WITH 3-STATE OUTPUTS
SCAS010B – JULY 1987 – REVISED APRIL 1996
Outputs enabled
Outputs disabled
TEST CONDITIONS
CL = 50 pF, f = 1 MHz
TYP UNIT
64
pF
16
From Output
Under Test
CL = 50 pF
(see Note A)
PARAMETER MEASUREMENT INFORMATION
500
500
2 × VCC
S1
Open
GND
TEST
tPLH /tPHL
tPLZ /tPZL
tPHZ /tPZH
S1
Open
2 × VCC
GND
Input
tPLH
Output
LOAD CIRCUIT
50%
50%
50% VCC
VCC
0V
tPHL
VOH
50% VCC
VOL
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
VOLTAGE WAVEFORMS
50%
50%
tPLZ
50% VCC
tPHZ
20% VCC
50% VCC
80% VCC
VOLTAGE WAVEFORMS
VCC
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
POST OFFICE BOX 655303 DALLAS, TEXAS 75265
5
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