74LVC_LVCH2T45_Q100 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2013. All rights reserved.
Product data sheet Rev. 1 — 22 February 2013 15 of 29
NXP Semiconductors
74LVC2T45-Q100; 74LVCH2T45-Q100
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 6. 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
