Diodes 74LVC1T45 - Manual (Page 7)

74LVC1T45
Document number: DS35804 Rev. 2 - 2
7 of 14
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June 2013
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74LVC1T45
Switching Characteristics
(cont.) (V CC (A) = 3.3V ± 0.3V, T A = -40°C to +85°C, see Figure 1)
Parameter
From
(Input)
To
(Output)
V
CC
(B) = 1.8V
±0.15V
V
CC
(B) = 2.5V
±0.2V V
CC
(B) = 3.3V
±0.3V V
CC
(B) = 5V
±0.5V Unit
Min Max Min Max Min Max Min Max
t
pLH
A B
2.1 15.5 1.4 8 0.7 5.8 0.7 4.4
ns
t
pHL
2 12.6 1.3 7 0.8 5 0.7 4
t
pLH
B A
1.7 8.3 1.3 6.4 0.7 5.8 0.6 5.4
ns
t
pHL
1.8 7.1 1.3 5.4 0.8 5 0.7 4.5
t
pHZ
DIR A
2.9 7.3 3 7.3 2.8 7.3 3.4 7.3
ns
t
pLZ
1.8 5.6 1.6 5.6 2.2 5.7 2.2 5.7
t
pHZ
DIR B
4.0 20.5 3.5 10.1 2.9 8.8 2.4 6.8
ns
t
pLZ
3.3 14.5 2.9 7.8 2.4 7.1 1.7 4.9
t
pZH
DIR A
− 22.8 − 14.2 − 12.9 − 10.3
ns
t
pZL
− 27.6 − 15.5 − 13.8 − 11.3
t
pZH
DIR B
− 21.1 − 13.6 − 11.5 − 10.1
ns
t
pZL
−
19.9
−
14.3
−
12.3
−
11.3
Switching Characteristics
(cont.) (V
CC
(A) = 5V ± 0.5V, T
A
= -40°C to +85°C, see Figure 1)
Parameter
From
(Input)
To
(Output)
V
CC
(B) = 1.8V
±0.15V
V
CC
(B) = 2.5V
±0.2V V
CC
(B) = 3.3V
±0.3V V
CC
(B)= 5V
±0.5V Unit
Min Max Min Max Min Max Min Max
t pLH
A B
1.9 15.1 1 7.5 0.6 5.4 0.5 3.9
ns
t pHL 1.8 12.2 0.9 6.2 0.7 4.5 0.5 3.5
t pLH
B A
1.4 8.5 1 5.1 0.7 4.4 0.5 3.9
ns
t pHL 1.7 8.5 0.9 4.6 0.7 4 0.5 3.5
t pHZ
DIR A
2.1 5.4 2.2 5.4 2.2 5.5 2.2 5.4
ns
t
pLZ
0.9 3.8 1 3.8 1 3.7 0.9 3.7
t
pHZ
DIR B
4.8 20.2 2.5 9.8 1 8.5 2.2 6.5
ns
t
pLZ
4.2 14.8 2.5 7.4 2.5 7 1.6 4.5
t
pZH
DIR A
− 22 − 12.5 − 11.4 − 8.4
ns
t
pZL
− 27.2 − 14.4 − 12.5 − 10
t
pZH
DIR B − 18.9 − 11.3 − 9.1 − 7.6 ns
Operating Characteristics
(T
A
= +25°C, unless otherwise specified.)
Parameter
Power Dissipation Capacitance
Test
Conditions
V CC (A) =
V
CC
(B) = 1.8V
V CC (A) =
V
CC
(B) = 2.5V
V CC (A) =
V
CC
(B) = 3.3V
V CC (A) =
V
CC
(B) = 5V Unit
Typ Typ Typ Typ
C
pd
(A)
A- input, B- output C
L
= 0 pF
f = 10 MHz
tr = tf = 1 ns
3 4 4 4
pF
B- input, A- output 18 19 20 21
C
pd
(B)
A- input, B- output C L = 0 pF
f = 10 MHz
tr = tf = 1 ns
18 19 20 21
pF
B- input, A- output 3 4 4 4