74VHC245BQ,115 NXP Semiconductors, 74VHC245BQ,115 Datasheet - Page 4

• Manufacturer Part Number: 74VHC245BQ,115
• Description: TXRX OCTAL BUS 3ST 20DHVQFN
• Manufacturer: NXP Semiconductors

Specifications of 74VHC245BQ,115

• Logic Type: CMOS
• Logic Family: 74LVCH
• Number Of Channels Per Chip: 1
• Propagation Delay Time: 7 ns, 9.5 ns, 10.5 ns, 15 ns
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 2 V
• Maximum Operating Temperature: + 125 C
• Package / Case: DHVQFN-20
• Maximum Power Dissipation: 500 mW
• Minimum Operating Temperature: - 40 C
• Mounting Style: SMD/SMT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

NXP Semiconductors
Table 2.
6. Functional description
Table 3.
[1]
7. Limiting values
Table 4.
In accordance with the Absolute Maximum Rating System (IEC 60134). Voltages are referenced to GND (ground = 0 V).
[1]
[2]
74VHC_VHCT245_1
Product data sheet
Symbol
B1
B0
OE
V
Control
OE
L
L
H
Symbol
V
V
I
I
I
I
I
T
P
IK
OK
O
CC
GND
stg
CC
CC
I
tot
H = HIGH voltage level;
L = LOW voltage level;
X = don’t care;
Z = high-impedance OFF-state.
The input and output voltage ratings may be exceeded if the input and output current ratings are observed.
For SO20 packages: above 70 C the value of P
For TSSOP20 packages: above 60 C the value of P
For DHVQFN20 packages: above 60 C the value of P
Pin description
Function table
Limiting values
Parameter
supply voltage
input voltage
input clamping current
output clamping current
output current
supply current
ground current
storage temperature
total power dissipation
Pin
17
18
19
20
[1]
…continued
DIR
L
H
X
Description
data input/output
data input/output
output enable input (active LOW)
supply voltage
tot
Conditions
V
V
V
T
derates linearly at 8 mW/K.
Rev. 01 — 25 August 2009
amb
I
O
O
tot
< 0.5 V
< 0.5 V or V
= 0.5 V to (V
tot
derates linearly at 5.5 mW/K.
= 40 C to +125 C
derates linearly at 4.5 mW/K.
Input/output
An
A = B
inputs
Z
O
CC
> V
74VHC245; 74VHCT245
+ 0.5 V)
CC
+ 0.5 V
Octal bus transceiver; 3-state
Bn
inputs
B = A
Z
[1]
[1]
[2]
Min
-
-
0.5
0.5
20
20
25
75
65
© NXP B.V. 2009. All rights reserved.
Max
+7.0
+7.0
-
+20
+25
+75
-
+150
500
Unit
V
V
mA
mA
mA
mA
mA
mW
C
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