74AHC244BQ,115 NXP Semiconductors, 74AHC244BQ,115 Datasheet - Page 4

• Manufacturer Part Number: 74AHC244BQ,115
• Description: IC BUFF/DVR TRI-ST DUAL 20QFN
• Manufacturer: NXP Semiconductors
• Series: 74AHCr

Specifications of 74AHC244BQ,115

• Logic Type: Buffer/Line Driver, Non-Inverting
• Package / Case: 20-VQFN Exposed Pad, 20-HVQFN, 20-SQFN, 20-DHVQFN
• 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: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Logic Family: AHC
• Number Of Channels Per Chip: Octal
• Polarity: Non-Inverting
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 2 V
• Maximum Operating Temperature: + 125 C
• Mounting Style: SMD/SMT
• High Level Output Current: - 8 mA
• Low Level Output Current: 8 mA
• Maximum Power Dissipation: 500 mW
• Minimum Operating Temperature: - 40 C
• Output Current: 25 mA
• Output Type: 3-State
• Propagation Delay Time: 11.9 ns @ 3 V to 3.6 V or 7.5 ns @ 4.5 V to 5.5 V
• Number Of Lines (input / Output): 8 / 8
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant
• Other names: 74AHC244BQ-G; 74AHC244BQ-G; 935285537115

NXP Semiconductors
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]
[3]
[4]
74AHC_AHCT244_5
Product data sheet
Control
nOE
L
H
Symbol
V
V
I
I
I
I
I
T
P
IK
OK
O
CC
GND
stg
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.
P
P
P
tot
tot
tot
derates linearly with 8 mW/K above 70 C.
derates linearly with 5.5 mW/K above 60 C.
derates linearly with 4.5 mW/K above 60 C.
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
SO20 package
TSSOP20 package
DHVQFN20 package
[1]
Input
nAn
L
H
X
Rev. 05 — 20 December 2007
Conditions
V
V
V
T
amb
I
O
O
< 0.5 V
< 0.5 V or V
= 0.5 V to (V
= 40 C to +125 C
O
CC
> V
74AHC244; 74AHCT244
+ 0.5 V)
CC
+ 0.5 V
Output
nYn
L
H
Z
Octal buffer/line driver; 3-state
[1]
[1]
[2]
[3]
[4]
Min
-
-
-
-
-
-
0.5
0.5
20
75
65
© NXP B.V. 2007. All rights reserved.
Max
+7.0
+7.0
-
75
-
+150
500
500
500
20
25
Unit
V
V
mA
mA
mA
mA
mA
mW
mW
mW
C
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