74LVCH245ADB-T NXP Semiconductors, 74LVCH245ADB-T Datasheet - Page 7

• Manufacturer Part Number: 74LVCH245ADB-T
• Description: Bus Transceivers 3.3V OCTAL XCVR 3-ST BUS HOLD
• Manufacturer: NXP Semiconductors

Specifications of 74LVCH245ADB-T

• Product Category: Bus Transceivers
• Rohs: yes
• Logic Type: CMOS
• Logic Family: LVC
• Number Of Channels Per Chip: 8
• Input Level: LVTTL
• Output Level: LVTTL
• Output Type: 3-State
• High Level Output Current: - 24 mA
• Low Level Output Current: 24 mA
• Propagation Delay Time: 17 ns
• Supply Voltage - Max: 3.6 V
• Supply Voltage - Min: 1.2 V
• Maximum Operating Temperature: + 125 C
• Package / Case: SSOP-20
• Function: Bus Transceiver
• Minimum Operating Temperature: - 40 C
• Mounting Style: SMD/SMT
• Number Of Circuits: 1
• Polarity: Non-Inverting
• Factory Pack Quantity: 1000
• Part # Aliases: 74LVCH245ADB,118

NXP Semiconductors
10. Dynamic characteristics
Table 7.
Voltages are referenced to GND (ground = 0 V). For test circuit see
[1]
[2]
[3]
[4]
74LVC_LVCH245A
Product data sheet
Symbol Parameter
t
t
t
t
C
pd
en
dis
sk(o)
PD
t
t
t
Typical values are measured at T
Skew between any two outputs of the same package switching in the same direction. This parameter is guaranteed by design.
C
P
f
C
V
N = number of inputs switching
(C
pd
en
dis
i
D
CC
PD
= input frequency in MHz; f
L
is the same as t
is the same as t
= output load capacitance in pF
is the same as t
= C
L
is used to determine the dynamic power dissipation (P
= supply voltage in Volts
 V
propagation
delay
enable time
disable time
output skew
time
power
dissipation
capacitance
PD
Dynamic characteristics
CC
 V
2
 f
CC
o
2
) = sum of the outputs.
 f
PLH
PZL
PLZ
i
 N + (C
and t
and t
and t
Conditions
nAn to nBn; nBn to nAn; see
nOE to nAn, nBn; see
nOE to nAn, nBn; see
per input; V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
PZH
PHL
PHZ
o
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
= output frequency in MHz
L
.
.
.
= 1.65 V to 1.95 V
= 2.3 V to 2.7 V
= 2.7 V
= 3.0 V to 3.6 V
= 1.65 V to 1.95 V
= 2.3 V to 2.7 V
= 2.7 V
= 3.0 V to 3.6 V
= 1.65 V to 1.95 V
= 2.3 V to 2.7 V
= 2.7 V
= 3.0 V to 3.6 V
= 1.65 V to 1.95 V
= 2.3 V to 2.7 V
= 3.0 V to 3.6 V
 V
= 1.2 V
= 1.2 V
= 1.2 V
amb
CC
= 25 C and V
I
2
= GND to V
 f
o
All information provided in this document is subject to legal disclaimers.
) where:
Figure 6
Figure 6
CC
CC
Rev. 7 — 5 April 2012
= 1.2 V, 1.8 V, 2.5 V, 2.7 V and 3.3 V respectively.
Figure 5
D
in W).
74LVC245A; 74LVCH245A
[1]
[1]
[1]
[3]
[4]
Figure
Min
1.5
1.0
1.5
1.5
1.9
1.5
1.5
1.5
2.9
1.0
1.5
1.7
-
-
-
-
-
-
-
40 C to +85 C
7.
Typ
17.0
22.0
12.0
11.3
14.4
6.5
3.4
3.4
2.9
8.3
4.6
4.8
3.7
5.5
3.1
3.9
3.6
7.7
-
[2]
Max
14.6
19.5
10.7
12.3
Octal bus transceiver; 3-state
7.6
7.3
6.3
9.5
8.5
7.1
8.0
7.0
1.0
-
-
-
-
-
-
40 C to +125 C Unit
Min
1.5
1.0
1.5
1.5
1.9
1.5
1.5
1.5
2.9
1.0
1.5
1.7
-
-
-
-
-
-
-
© NXP B.V. 2012. All rights reserved.
Max
16.9
22.5
12.4
12.0
14.2
10.0
11.0
8.7
9.5
8.0
8.2
9.0
1.5
-
-
-
-
-
-
ns
ns
ns
ns
ns
pF
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
pF
pF
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