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74AHC241PW,118

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P16
74AHC_AHCT241_1 © NXP B.V. 2010. All rights reserved.
Product data sheet Rev. 01 — 11 January 2010 6 of 15
NXP Semiconductors
74AHC241; 74AHCT241
Octal buffer/line driver; 3-state
10. Dynamic characteristics
Table 7. Dynamic characteristics
Voltages are referenced to GND (ground = 0 V); for test circuit see Figure 8.
Symbol Parameter Conditions 25 °C −40 °C to +125 °C Unit
Min Typ
[1]
Max Min Max
(85
°C)
Max
(125
°C)
74AHC241
t
pd
propagation
delay
nAn to nYn; see Figure 5
[2]
V
CC
= 3.0 V to 3.6 V; C
L
= 15 pF - 4.5 8.4 1.0 9.7 11.5 ns
V
CC
= 3.0 V to 3.6 V; C
L
= 50 pF - 6.5 12.2 1.0 14.5 16.9 ns
V
CC
= 4.5 V to 5.5 V; C
L
= 15 pF - 3.2 5.4 1.0 6.2 7.8 ns
V
CC
= 4.5 V to 5.5 V; C
L
= 50 pF - 3.2 7.9 1.0 9.2 11.2 ns
t
en
enable time 1OE to 1Yn; see Figure 6
[2]
V
CC
= 3.0 V to 3.6 V; C
L
= 15 pF - 8.9 10.4 1.0 12.2 14.0 ns
V
CC
= 3.0 V to 3.6 V; C
L
= 50 pF - 5.5 14.8 1.0 17.8 19.6 ns
V
CC
= 4.5 V to 5.5 V; C
L
= 15 pF - 6.1 6.6 1.0 7.6 9.1 ns
V
CC
= 4.5 V to 5.5 V; C
L
= 50 pF - 3.9 9.4 1.0 11.0 12.2 ns
2OE to 2Yn; see Figure 7
[2]
V
CC
= 3.0 V to 3.6 V; C
L
= 15 pF - 6.5 10.4 1.0 12.2 14.0 ns
V
CC
= 3.0 V to 3.6 V; C
L
= 50 pF - 5.6 14.8 1.0 17.8 19.6 ns
V
CC
= 4.5 V to 5.5 V; C
L
= 15 pF - 3.2 6.6 1.0 7.6 9.1 ns
V
CC
= 4.5 V to 5.5 V; C
L
= 50 pF - 4.0 9.4 1.0 11.0 12.2 ns
t
dis
disable time 1OE to 1Yn; see Figure 6
[2]
V
CC
= 3.0 V to 3.6 V; C
L
= 15 pF - 5.1 10.2 1.0 11.8 13.3 ns
V
CC
= 3.0 V to 3.6 V; C
L
= 50 pF - 7.2 14.4 1.0 15.8 19.2 ns
V
CC
= 4.5 V to 5.5 V; C
L
= 15 pF - 3.6 7.3 1.0 8.2 9.2 ns
V
CC
= 4.5 V to 5.5 V; C
L
= 50 pF - 5.1 9.9 1.0 10.8 13.0 ns
2OE to 2Yn; see Figure 7
[2]
V
CC
= 3.0 V to 3.6 V; C
L
= 15 pF - 5.0 10.2 1.0 11.8 13.3 ns
V
CC
= 3.0 V to 3.6 V; C
L
= 50 pF - 7.1 14.4 1.0 15.8 19.2 ns
V
CC
= 4.5 V to 5.5 V; C
L
= 15 pF - 3.6 7.3 1.0 8.2 9.2 ns
V
CC
= 4.5 V to 5.5 V; C
L
= 50 pF - 5.1 9.9 1.0 10.8 13.0 ns
C
PD
power
dissipation
capacitance
V
I
= GND to V
CC
; C
L
= 50 pF;
f
i
= 1 MHz
[3]
- 9 - - - - pF
74AHCT241
t
pd
propagation
delay
nAn to nYn; see Figure 5
[2]
V
CC
= 4.5 V to 5.5 V; C
L
= 15 pF - 3.5 5.7 1.0 6.5 7.9 ns
V
CC
= 4.5 V to 5.5 V; C
L
= 50 pF - 5.1 7.9 1.0 9.2 11.2 ns
74AHC_AHCT241_1 © NXP B.V. 2010. All rights reserved.
Product data sheet Rev. 01 — 11 January 2010 7 of 15
NXP Semiconductors
74AHC241; 74AHCT241
Octal buffer/line driver; 3-state
[1] Typical values are measured at nominal supply voltage (V
CC
= 3.3 V and V
CC
= 5.0 V).
[2] t
pd
is the same as t
PLH
and t
PHL
; t
en
is the same as t
PZH
and t
PZL
; t
dis
is the same as t
PLZ
and t
PHZ
.
[3] C
PD
is used to determine the dynamic power dissipation (P
D
in μW).
P
D
= C
PD
× V
CC
2
× f
i
× N + ∑(C
L
× V
CC
2
× f
o
) where:
f
i
= input frequency in MHz;
f
o
= output frequency in MHz;
C
L
= output load capacitance in pF;
V
CC
= supply voltage in V;
N = number of inputs switching;
∑(C
L
× V
CC
2
× f
o
) = sum of outputs.
11. Waveforms
t
en
enable time 1OE to 1Yn; see Figure 6
[2]
V
CC
= 4.5 V to 5.5 V; C
L
= 15 pF - 3.7 6.6 1.0 7.8 9.2 ns
V
CC
= 4.5 V to 5.5 V; C
L
= 50 pF - 5.4 9.5 1.0 11.1 12.4 ns
2OE to 2Yn; see Figure 7
[2]
V
CC
= 4.5 V to 5.5 V; C
L
= 15 pF - 3.7 6.6 1.0 7.8 9.2 ns
V
CC
= 4.5 V to 5.5 V; C
L
= 50 pF - 5.4 9.5 1.0 11.1 12.4 ns
t
dis
disable time 1OE to 1Yn; see Figure 6
[2]
V
CC
= 4.5 V to 5.5 V; C
L
= 15 pF - 4.8 7.8 1.0 8.8 9.7 ns
V
CC
= 4.5 V to 5.5 V; C
L
= 50 pF - 7.1 10.5 1.0 11.4 13.5 ns
2OE to 2Yn; see Figure 7
[2]
V
CC
= 4.5 V to 5.5 V; C
L
= 15 pF - 4.8 7.8 1.0 8.8 9.7 ns
V
CC
= 4.5 V to 5.5 V; C
L
= 50 pF - 7.1 10.5 1.0 11.4 13.5 ns
C
PD
power
dissipation
capacitance
V
I
= GND to V
CC
; C
L
= 50 pF;
f
i
= 1 MHz
[3]
- 9 - - - - pF
Table 7. Dynamic characteristics …continued
Voltages are referenced to GND (ground = 0 V); for test circuit see Figure 8.
Symbol Parameter Conditions 25 °C −40 °C to +125 °C Unit
Min Typ
[1]
Max Min Max
(85 °C)
Max
(125 °C)
Measurement points are given in Table 8.
V
OL
and V
OH
are typical voltage output drop that occur with the output load.
Fig 5. Propagation delay input (nAn) to output (nYn)
mgu78
1
nAn input
nYn output
t
PHL
t
PLH
GND
V
I
V
M
V
M
V
M
V
M
V
OH
V
OL
74AHC_AHCT241_1 © NXP B.V. 2010. All rights reserved.
Product data sheet Rev. 01 — 11 January 2010 8 of 15
NXP Semiconductors
74AHC241; 74AHCT241
Octal buffer/line driver; 3-state
Measurement points are given in Table 8.
V
OL
and V
OH
are typical voltage output levels that occur with the output load.
Fig 6. Enable and disable times for input 1OE
mna77
t
PLZ
t
PHZ
outputs
disabled
outputs
enabled
V
Y
V
X
outputs
enabled
output
LOW-to-OFF
OFF-to-LOW
output
HIGH-to-OFF
OFF-to-HIGH
1OE input
V
OL
V
OH
V
CC
V
I
V
M
GND
GND
t
PZL
t
PZH
V
M
V
M
Measurement points are given in Table 8.
V
OL
and V
OH
are typical voltage output levels that occur with the output load.
Fig 7. Enable and disable times for input 2OE
mna77
6
t
PLZ
t
PHZ
outputs
disabled
outputs
enabled
V
Y
V
X
outputs
enabled
2OE input
V
OL
V
OH
V
CC
V
I
V
M
GND
GND
t
PZL
t
PZH
V
M
V
M
output
LOW-to-OFF
OFF-to-LOW
output
HIGH-to-OFF
OFF-to-HIGH
Table 8. Measurement points
Type Input Output
V
M
V
M
V
X
V
Y
74AHC241 0.5V
CC
0.5V
CC
V
OL
+ 0.3 V V
OH
− 0.3 V
74AHCT241 1.5 V 0.5V
CC
V
OL
+ 0.3 V V
OH
− 0.3 V
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P16

74AHC241PW,118

Mfr. #:
Buy 74AHC241PW,118
Manufacturer:
NXP Semiconductors
Description:
IC BUF NON-INVERT 5.5V 20TSSOP
Lifecycle:
New from this manufacturer.
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