74lvc2t45 NXP Semiconductors, 74lvc2t45 Datasheet - Page 15

• Manufacturer Part Number: 74lvc2t45
• Description: Dual Supply Translating Transceiver; 3-state
• Manufacturer: NXP Semiconductors

NXP Semiconductors
Table 13.
Voltages are referenced to GND (ground = 0 V); for test circuit see
[1]
12. Waveforms
74LVC_LVCH2T45_2
Product data sheet
Symbol Parameter
t
t
PZH
PZL
Fig 7.
Fig 8.
t
PZH
and t
OFF-state to HIGH
propagation delay
OFF-state to LOW
propagation delay
Measurement points are given in
V
The data input (A, B) to output (B, A) propagation delay times
Measurement points are given in
V
Enable and disable times
OL
OL
Dynamic characteristics for temperature range 40 C to +125 C
PZL
and V
and V
are calculated values using the formula shown in
OH
OH
are typical output voltage levels that occur with the output load.
are typical output voltage levels that occur with the output load.
HIGH-to-OFF
OFF-to-HIGH
OFF-to-LOW
LOW-to-OFF
DIR input
output
output
Conditions
DIR to A
DIR to B
DIR to A
DIR to B
nB, nA output
nA, nB input
V
GND
GND
Table
Table
V
CCO
V
OH
OL
[1]
[1]
[1]
[1]
V
I
1.5 V
GND
14.
14.
Min
V
V
OH
OL
-
-
-
-
V
I
Rev. 02 — 5 February 2009
V
enabled
outputs
M
0.1 V 1.8 V
Max
26.1
22.4
31.0
22.9
t
PLZ
t
PHZ
V
M
Section 14.4 “Enable
Min
V
V
X
-
-
-
-
M
t
V
PHL
Y
74LVC2T45; 74LVCH2T45
Figure
0.15 V 2.5 V
Max
20.9
20.8
25.5
19.5
disabled
outputs
Dual supply translating transceiver; 3-state
9; for wave forms see
Min
-
-
-
-
V
times”.
t
CC(B)
PZL
t
001aaj644
PZH
t
PLH
…continued
0.2 V 3.3 V
Max
13.5
12.4
15.8
12.9
V
M
V
001aae968
M
outputs
enabled
Min
-
-
-
-
Figure 7
0.3 V 5.0 V
Max
12.6
10.1
13.2
11.0
© NXP B.V. 2009. All rights reserved.
and
Min
-
-
-
-
Figure
0.5 V
Max
10.2 ns
9.3
8.4
9.9
8.
15 of 32
Unit
ns
ns
ns