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74ABT2541 Datasheet(PDF) 3 Page - Fairchild Semiconductor

Part No. 74ABT2541
Description  Octal Buffer/Line Driver with 25Ω Series Resistors in the Outputs
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Maker  FAIRCHILD [Fairchild Semiconductor]
Homepage  http://www.fairchildsemi.com
Logo FAIRCHILD - Fairchild Semiconductor

74ABT2541 Datasheet(HTML) 3 Page - Fairchild Semiconductor

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DC Electrical Characteristics
(SOIC Package)
Note 5: Max number of outputs defined as (n). n-1 data inputs are driven 0V to 3V. One output at LOW. Guaranteed, but not tested.
Note 6: Max number of data inputs (n) switching. n-1 inputs switching 0V to 3V. Input-under-test switching: 3V to threshold (VILD), 0V to threshold (VIHD).
Guaranteed, but not tested.
Note 7: Max number of outputs defined as (n). n
− 1 data inputs are driven 0V to 3V. One output HIGH. Guaranteed, but not tested.
AC Electrical Characteristics
Extended AC Electrical Characteristics
(SOIC Package)
Note 8: This specification is guaranteed but not tested. The limits apply to propagation delays for all paths described switching in phase
(i.e., all LOW-to-HIGH, HIGH-to-LOW, etc.).
Note 9: This specification is guaranteed but not tested. The limits represent propagation delay with 250 pF load capacitors in place of the 50 pF load capac-
itors in the standard AC load. This specification pertains to single output switching only.
Note 10: This specification is guaranteed but not tested. The limits represent propagation delays for all paths described switching in phase
(i.e., all LOW-to-HIGH, HIGH-to-LOW, etc.) with 250 pF load capacitors in place of the 50 pF load capacitors in the standard AC load.
Note 11: The 3-STATE delays are dominated by the RC network (500
Ω, 250 pF) on the output and have been excluded from the datasheet.
Symbol
Parameter
Min
Typ
Max
Units
VCC
Conditions
CL = 50 pF, RL = 500Ω
VOLP
Quiet Output Maximum Dynamic VOL
0.6
0.8
V
5.0
TA = 25°C (Note 5)
VOLV
Quiet Output Minimum Dynamic VOL
−0.5
−0.4
V
5.0
TA = 25°C (Note 5)
VOHV
Minimum HIGH Level Dynamic Output Voltage
2.7
3.1
V
5.0
TA = 25°C (Note 6)
VIHD
Minimum HIGH Level Dynamic Input Voltage
2.0
1.4
V
5.0
TA = 25°C (Note 7)
VILD
Maximum LOW Level Dynamic Input Voltage
1.2
0.8
V
5.0
TA = 25°C (Note 7)
Symbol
Parameter
TA = +25°CTA = −40°C to +85°C
Units
VCC = +5V
VCC = 4.5V–5.5V
CL = 50 pF
CL = 50 pF
Min
Typ
Max
Min
Max
tPLH
Propagation Delay Data to Outputs
1.0
2.3
3.6
1.0
3.6
ns
tPHL
1.0
3.3
4.1
1.0
4.1
tPZH
Output Enable Time
1.5
3.7
6.0
1.5
6.0
ns
tPZL
1.5
4.3
6.5
1.5
6.5
tPHZ
Output Disable Time
1.0
3.5
6.0
1.0
6.0
ns
tPLZ
1.0
3.7
5.6
1.0
5.6
Symbol
Parameter
−40°C to +85°C
TA = −40°C to +85°CTA = −40°C to +85°C
Units
VCC = 4.5V–5.5V
VCC = 4.5V–5.5V
VCC = 4.5V–5.5V
CL = 50 pF
CL = 250 pF
CL = 250 pF
8 Outputs Switching
1 Output Switching
8 Outputs Switching
(Note 8)
(Note 9)
(Note 10)
Min
Typ
Max
Min
Max
Min
Max
fTOGGLE
Maximum Toggle Frequency
100
MHz
tPLH
Propagation Delay
1.5
5.0
1.5
6.0
2.5
8.5
ns
tPHL
Data to Outputs
1.5
5.5
1.5
10.0
2.5
11.0
tPZH
Output Enable Time
1.5
6.5
2.5
7.5
2.5
9.5
ns
tPZL
1.5
7.0
2.5
11.0
2.5
12.5
tPHZ
Output Disable Time
1.0
6.0
(Note 11)
(Note 11)
ns
tPLZ
1.0
6.0


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