74avch1t45 NXP Semiconductors, 74avch1t45 Datasheet - Page 10

• Manufacturer Part Number: 74avch1t45
• Description: 74avch1t45 Dual Supply Translating Transceiver; 3-state
• Manufacturer: NXP Semiconductors

NXP Semiconductors
11. Dynamic characteristics
Table 8.
Voltages are referenced to GND (ground = 0 V); for test circuit see
[1]
Table 9.
Voltages are referenced to GND (ground = 0 V); for test circuit see
[1]
Table 10.
Voltages are referenced to GND (ground = 0 V).
[1]
[2]
74AVCH1T45_1
Product data sheet
Symbol Parameter
t
t
t
Symbol Parameter
t
t
t
Symbol Parameter
C
pd
dis
en
pd
dis
en
PD
t
t
t
t
C
P
f
f
C
V
N = number of inputs switching;
f
pd
en
pd
en
i
o
i
(C
D
CC
PD
= input frequency in MHz;
L
= 10 MHz; V
= output frequency in MHz;
is the same as t
is a calculated value using the formula shown in
is the same as t
is a calculated value using the formula shown in
= load capacitance in pF;
= C
L
is used to determine the dynamic power dissipation (P
= supply voltage in V;
propagation delay A to B
disable time
enable time
propagation delay A to B
disable time
enable time
power dissipation
capacitance
PD
V
Typical dynamic characteristics at V
Typical dynamic characteristics at V
Typical power dissipation capacitance at V
CC
2
V
CC
I
f
o
= GND to V
2
) = sum of the outputs.
PLH
PLH
f
i
N + (C
and t
and t
CC
PHL
PHL
Conditions
B to A
DIR to A
DIR to B
DIR to A
DIR to B
Conditions
B to A
DIR to A
DIR to B
DIR to A
DIR to B
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)
; t
L
r
; t
; t
= t
dis
dis
V
f
CC
is the same as t
is the same as t
= 1 ns; C
2
f
o
) where:
L
= 0 pF; R
Rev. 01 — 25 October 2007
Section 13.4 “Enable times”
Section 13.4 “Enable times”
PLZ
PLZ
CC(A)
CC(B)
and t
and t
L
=
= 0.8 V and T
= 0.8 V and T
D
CC(A)
PHZ
PHZ
in W).
0.8 V
0.8 V
0.8 V
15.8
15.8
12.2
11.7
27.5
28.0
15.8
15.8
12.2
11.7
27.5
28.0
1
9
.
; t
; t
en
en
= V
is the same as t
is the same as t
Figure
Figure
CC(B)
1.2 V
1.2 V
1.2 V
12.7
12.2
20.6
20.6
12.7
17.6
17.6
amb
8.4
7.9
amb
8.4
4.9
9.2
11
2
and T
Dual supply translating transceiver; 3-state
7; for wave forms see
7; for wave forms see
= 25 C
= 25 C
amb
V
PZL
PZL
1.5 V
1.5 V
1.5 V
CC(A)
12.4
12.2
20.0
20.2
12.4
17.0
16.2
8.0
7.6
8.0
3.8
9.0
11
2
= 25 C
[1]
and t
[1]
and t
V
V
and V
CC(B)
CC(A)
PZH
PZH
1.8 V
1.8 V
1.8 V
12.2
12.2
20.4
20.2
.
12.2
16.8
15.9
.
[1][2]
8.0
8.2
8.0
3.7
8.8
12
CC(B)
2
74AVCH1T45
Figure 5
Figure 5
2.5 V
2.5 V
2.5 V
12.0
12.2
20.7
20.9
12.0
17.4
14.8
8.7
8.7
8.7
2.8
8.7
14
2
© NXP B.V. 2007. All rights reserved.
and
and
Figure 6
Figure 6
3.3 V
3.3 V
3.3 V
11.8
12.2
10.2
22.0
21.7
11.8
18.1
15.2
9.5
9.5
3.4
8.6
17
2
10 of 22
ns
ns
ns
ns
pF
Unit
ns
ns
ns
ns
ns
Unit
ns
ns
ns
Unit
pF