74VHC245TTR STMicroelectronics, 74VHC245TTR Datasheet - Page 2

• Manufacturer Part Number: 74VHC245TTR
• Description: IC BUS TRANSCVR 3-ST 8B 20TSSOP
• Manufacturer: STMicroelectronics
• Series: 74VHCr

Specifications of 74VHC245TTR

• Logic Type: Transceiver, Non-Inverting
• Number Of Elements: 1
• Number Of Bits Per Element: 8
• Current - Output High, Low: 8mA, 8mA
• Voltage - Supply: 2 V ~ 5.5 V
• Operating Temperature: -55°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 20-TSSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-7135-2; 74VHC245TTR

74VHC245
Figure 2: Input Equivalent Circuit
Table 3: Truth Table
X : Don‘t Care
Z : High Impedance
Table 4: Absolute Maximum Ratings
Absolute Maximum Ratings are those values beyond which damage to the device may occur. Functional operation under these conditions is
not implied
Table 5: Recommended Operating Conditions
1) V
2/12
I
CC
Symbol
Symbol
IN
dt/dv
V
V
V
V
or I
T
I
T
V
V
I
T
V
OK
I
V
from 30% to 70% of V
CC
IK
stg
CC
I/O
O
I/O
op
O
O
L
I
I
GND
G
H
L
L
Supply Voltage
DC Input Voltage (DIR, G)
Bus I/O Voltage
DC Output Voltage
DC Input Diode Current
DC Output Diode Current
DC Output Current
DC V
Storage Temperature
Lead Temperature (10 sec)
Supply Voltage
Input Voltage (DIR, G)
Bus I/O Voltage
Output Voltage
Operating Temperature
Input Rise and Fall Time (note 1) (V
CC
INPUTS
or Ground Current
CC
DIR
H
X
L
Parameter
Parameter
(V
CC
CC
= 3.3
= 5.0
OUTPUT
A BUS
INPUT
Z
0.3V)
0.5V)
Table 2: Pin Description
2, 3, 4, 5, 6,
18, 17, 16,
15, 14, 13,
FUNCTION
PIN N°
7, 8, 9
12, 11
19
10
20
1
OUTPUT
SYMBOL
B BUS
A1 to A8
B1 to B8
INPUT
GND
V
DIR
Z
G
CC
-0.5 to V
-0.5 to V
-0.5 to +7.0
-0.5 to +7.0
-65 to +150
-55 to 125
0 to V
0 to V
0 to 100
2 to 5.5
0 to 5.5
0 to 20
Value
Value
Directional Control
Data Inputs/Outputs
Data Inputs/Outputs
Output Enable Input
Ground (0V)
Positive Supply Voltage
- 20
300
NAME AND FUNCTION
20
25
75
CC
CC
CC
CC
+ 0.5
+ 0.5
OUTPUT
A = B
B = A
Z
Unit
Unit
ns/V
mA
mA
mA
mA
°C
°C
°C
V
V
V
V
V
V
V
V