74lvc2t45 NXP Semiconductors, 74lvc2t45 Datasheet - Page 11
74lvc2t45
Manufacturer Part Number
74lvc2t45
Description
Dual Supply Translating Transceiver; 3-state
Manufacturer
NXP Semiconductors
Datasheet
1.74LVC2T45.pdf
(32 pages)
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Part Number
Manufacturer
Quantity
Price
Part Number:
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Manufacturer:
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Quantity:
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Part Number:
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Manufacturer:
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Quantity:
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NXP Semiconductors
Table 11.
Voltages are referenced to GND (ground = 0 V).
[1]
[2]
Table 12.
Voltages are referenced to GND (ground = 0 V); for test circuit see
74LVC_LVCH2T45_2
Product data sheet
Symbol Parameter
C
Symbol Parameter
V
t
t
t
t
t
t
V
t
t
t
t
PLH
PHL
PHZ
PLZ
PZH
PZL
PLH
PHL
PHZ
PLZ
CC(A)
CC(A)
PD
C
P
f
f
C
V
N = number of inputs switching;
f
i
o
i
(C
D
CC
PD
= input frequency in MHz;
L
= 10 MHz; V
= output frequency in MHz;
= load capacitance in pF;
= 1.4 V to 1.6 V
= 1.65 V to 1.95 V
= C
L
is used to determine the dynamic power dissipation (P
= supply voltage in V;
LOW to HIGH
propagation delay
HIGH to LOW
propagation delay
HIGH to OFF-state
propagation delay
LOW to OFF-state
propagation delay
OFF-state to HIGH
propagation delay
OFF-state to LOW
propagation delay
LOW to HIGH
propagation delay
HIGH to LOW
propagation delay
HIGH to OFF-state
propagation delay
LOW to OFF-state
propagation delay
power dissipation
capacitance
PD
V
Typical power dissipation capacitance at V
Dynamic characteristics for temperature range 40 C to +85 C
CC
2
V
CC
I
f
o
= GND to V
2
) = sum of the outputs.
f
i
N + (C
CC
; t
Conditions
A port: (direction A to B);
B port: (direction B to A)
A port: (direction B to A);
B port: (direction A to B)
Conditions
A to B
B to A
A to B
B to A
DIR to A
DIR to B
DIR to A
DIR to B
DIR to A
DIR to B
DIR to A
DIR to B
A to B
B to A
A to B
B to A
DIR to A
DIR to B
DIR to A
DIR to B
L
r
= t
V
f
CC
= 1 ns; C
2
f
o
[1]
[1]
[1]
[1]
) where:
L
1.5 V
= 0 pF; R
Min
2.8
2.8
2.6
2.6
3.0
3.5
2.4
2.8
2.6
2.4
2.4
2.2
2.9
3.2
2.4
2.5
-
-
-
-
Rev. 02 — 5 February 2009
0.1 V 1.8 V
Max
21.3
21.3
19.3
19.3
18.7
24.8
11.4
18.3
39.6
32.7
44.1
38.0
19.1
17.6
17.3
15.3
17.1
24.1
10.5
17.6
L
=
D
CC(A)
in W).
Min
.
2.4
2.6
2.2
2.4
3.0
3.5
2.4
3.0
2.2
2.2
2.0
2.0
2.9
3.2
2.4
2.6
-
-
-
-
= V
74LVC2T45; 74LVCH2T45
1.8 V
Figure
CC(B)
15
0.15 V 2.5 V
2
Max
17.6
19.1
15.3
17.3
18.7
23.6
11.4
17.2
36.3
29.0
40.9
34.0
17.7
17.7
14.3
14.3
17.1
21.9
10.5
16.0
and T
Dual supply translating transceiver; 3-state
9; for wave forms see
Min
2.0
2.3
1.8
2.3
3.0
3.0
2.4
2.5
2.2
2.3
1.6
2.1
2.9
2.7
2.4
2.2
-
-
-
-
V
amb
CC(B)
2.5 V
V
16
3
CC(A)
= 25 C
0.2 V 3.3 V
Max
13.5
14.9
11.8
13.2
18.7
11.0
11.4
24.3
24.9
24.2
30.5
16.0
12.9
17.1
11.5
10.5
9.4
9.3
8.5
9.2
and V
[1][2]
Min
1.7
2.3
1.7
2.2
3.0
3.3
2.4
3.0
1.7
2.1
1.8
2.0
2.9
3.0
2.4
2.7
-
-
-
-
CC(B)
3.3 V
16
Figure 7
3
0.3 V 5.0 V
Max
11.8
12.4
10.9
11.3
18.7
11.3
11.4
10.1
22.5
23.2
22.6
29.6
15.5
12.6
17.1
10.3
10.5
7.2
7.1
8.4
© NXP B.V. 2009. All rights reserved.
and
Min
1.6
2.2
1.7
2.3
3.0
2.8
2.4
2.5
1.4
1.9
1.7
1.8
2.9
2.5
2.4
2.4
-
-
-
-
5.0 V
Figure
18
4
0.5 V
Max
10.5 ns
12.0 ns
10.8 ns
11.0 ns
18.7 ns
10.3 ns
11.4 ns
21.4 ns
21.9 ns
21.3 ns
29.5 ns
15.1 ns
12.2 ns
17.1 ns
10.5 ns
9.4
6.8
7.0
8.2
7.1
8.
11 of 32
Unit
pF
pF
Unit
ns
ns
ns
ns
ns