74VHC244MTR STMicroelectronics, 74VHC244MTR Datasheet - Page 2

• Manufacturer Part Number: 74VHC244MTR
• Description: IC BUFF/DVR TRI-ST DUAL 20SOIC
• Manufacturer: STMicroelectronics
• Series: 74VHCr

Specifications of 74VHC244MTR

• Logic Type: Buffer/Line Driver, Non-Inverting
• Number Of Elements: 2
• Number Of Bits Per Element: 4
• 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-SOIC (7.5mm Width)
• Logic Device Type: Buffer, Non Inverting
• Supply Voltage Range: 2V To 5.5V
• Logic Case Style: SOP
• No. Of Pins: 20
• Operating Temperature Range: -55°C To +125°C
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-2926-2

74VHC244
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
or I
T
I
T
V
V
I
T
V
OK
I
V
from 30% to 70% of V
CC
IK
stg
CC
O
op
O
O
L
I
I
GND
Supply Voltage
DC Input 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
Output Voltage
Operating Temperature
Input Rise and Fall Time (note 1) (V
CC
G
H
L
L
or Ground Current
CC
INPUTS
Parameter
Parameter
(V
CC
CC
= 3.3
= 5.0
An
H
X
L
0.3V)
0.5V)
Table 2: Pin Description
18, 16, 14,
11, 13, 15,
2, 4, 6, 8
9, 7, 5, 3
PIN N°
17
12
19
10
20
1
1A1 to 1A4
2Y1 to 2Y4
2A1 to 2A4
1Y1 to 1Y4
SYMBOL
GND
V
1G
2G
CC
-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 100
2 to 5.5
0 to 5.5
0 to 20
Value
Value
Output Enable Input
Data Inputs
Data Outputs
Data Inputs
Data Outputs
Output Enable Input
Ground (0V)
Positive Supply Voltage
- 20
300
NAME AND FUNCTION
20
25
75
OUTPUT
CC
CC
Yn
+ 0.5
H
L
Z
Unit
Unit
ns/V
mA
mA
mA
mA
°C
°C
°C
V
V
V
V
V
V