74LVC_LVCH1T45 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2012. All rights reserved.
Product data sheet Rev. 6 — 6 August 2012 15 of 33
NXP Semiconductors
74LVC1T45; 74LVCH1T45
Dual supply translating transceiver; 3-state
[1] V
CCI
is the supply voltage associated with the data input port.
[2] V
CCO
is the supply voltage associated with the output port.
[1] V
CCI
is the supply voltage associated with the data input port.
[2] dV/dt 1.0 V/ns
[3] V
CCO
is the supply voltage associated with the output port.
Table 14. Measurement points
Supply voltage Input
[1]
Output
[2]
V
CC(A)
, V
CC(B)
V
M
V
M
V
X
V
Y
1.2 V to 1.6 V 0.5V
CCI
0.5V
CCO
V
OL
+0.1V V
OH
0.1 V
1.65 V to 2.7 V 0.5V
CCI
0.5V
CCO
V
OL
+0.15V V
OH
0.15 V
3.0 V to 5.5 V 0.5V
CCI
0.5V
CCO
V
OL
+0.3V V
OH
0.3 V
Test data is given in Table 15.
R
L
= Load resistance.
C
L
= Load capacitance including jig and probe capacitance.
R
T
= Termination resistance.
V
EXT
= External voltage for measuring switching times.
Fig 8. Test circuit for measuring switching times
V
M
V
M
t
W
t
W
10 %
90 %
0 V
V
I
V
I
negative
pulse
positive
pulse
0 V
V
M
V
M
90 %
10 %
t
f
t
r
t
r
t
f
001aae331
V
EXT
V
CC
V
I
V
O
DUT
C
L
R
T
R
L
R
L
G
Table 15. Test data
Supply voltage Input Load V
EXT
V
CC(A)
, V
CC(B)
V
I
[1]
t/V
[2]
C
L
R
L
t
PLH
, t
PHL
t
PZH
, t
PHZ
t
PZL
, t
PLZ
[3]
1.2 V to 5.5 V V
CCI
1.0ns/V 15pF 2k open GND 2V
CCO
74LVC_LVCH1T45 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2012. All rights reserved.
Product data sheet Rev. 6 — 6 August 2012 16 of 33
NXP Semiconductors
74LVC1T45; 74LVCH1T45
Dual supply translating transceiver; 3-state
13. Typical propagation delay characteristics
a. HIGH to LOW propagation delay (A to B) b. LOW to HIGH propagation delay (A to B)
c. HIGH to LOW propagation delay (B to A) d. LOW to HIGH propagation delay (B to A)
(1) V
CC(B)
= 1.2 V.
(2) V
CC(B)
= 1.5 V.
(3) V
CC(B)
= 1.8 V.
(4) V
CC(B)
= 2.5 V.
(5) V
CC(B)
= 3.3 V.
(6) V
CC(B)
= 5.0 V.
Fig 9. Typical propagation delay vs load capacitance; T
amb
= 25 C; V
CC(A)
=1.2V
C
L
(pF)
035
001aai907
14
t
PHL
(ns)
0
2
4
6
8
10
12
5 1015202530
(1)
(2)
(3)
(4)
(5)
(6)
C
L
(pF)
035
001aai908
14
t
PLH
(ns)
0
2
4
6
8
10
12
5 1015202530
(1)
(2)
(3)
(4)
(5)
(6)
C
L
(pF)
035
001aai909
14
t
PHL
(ns)
0
2
4
6
8
10
12
5 1015202530
(1)
(3)
(4)
(5)
(6)
(2)
C
L
(pF)
035
001aai910
14
t
PLH
(ns)
0
2
4
6
8
10
12
5 1015202530
(1)
(5)
(6)
(3)
(4)
(2)
74LVC_LVCH1T45 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2012. All rights reserved.
Product data sheet Rev. 6 — 6 August 2012 17 of 33
NXP Semiconductors
74LVC1T45; 74LVCH1T45
Dual supply translating transceiver; 3-state
a. HIGH to LOW propagation delay (A to B) b. LOW to HIGH propagation delay (A to B)
c. HIGH to LOW propagation delay (B to A) d. LOW to HIGH propagation delay (B to A)
(1) V
CC(B)
= 1.2 V.
(2) V
CC(B)
= 1.5 V.
(3) V
CC(B)
= 1.8 V.
(4) V
CC(B)
= 2.5 V.
(5) V
CC(B)
= 3.3 V.
(6) V
CC(B)
= 5.0 V.
Fig 10. Typical propagation delay vs load capacitance; T
amb
= 25 C; V
CC(A)
=1.5V
C
L
(pF)
035
001aai911
14
t
PHL
(ns)
0
2
4
6
8
10
12
5 1015202530
(1)
(5)
(6)
(3)
(4)
(2)
C
L
(pF)
035
001aai912
14
t
PLH
(ns)
0
2
4
6
8
10
12
5 1015202530
(1)
(5)
(6)
(3)
(4)
(2)
C
L
(pF)
035
001aai913
14
t
PHL
(ns)
0
2
4
6
8
10
12
5 1015202530
(1)
(5)
(6)
(3)
(4)
(2)
C
L
(pF)
035
001aai914
14
t
PLH
(ns)
0
2
4
6
8
10
12
5 1015202530
(1)
(5)
(6)
(3)
(4)
(2)

74LVC1T45GW,125

Mfr. #:
Manufacturer:
Nexperia
Description:
Bus Transceivers Single-Bit Dual Sply 5.5V 250mW
Lifecycle:
New from this manufacturer.
Delivery:
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