74AHC244-Q100 View Datasheet(PDF) - NXP Semiconductors.
Part Name
Description
Manufacturer
74AHC244-Q100 Datasheet PDF : 17 Pages
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Nexperia
74AHC244-Q100; 74AHCT244-Q100
Octal buffer/line driver; 3-state
5.2 Pin description
Table 2. Pin description
Symbol
Pin
Description
1OE, 2OE 1, 19
output enable input (active LOW)
1A[0:3]
2, 4, 6, 8
data input
2A[0:3]
17, 15, 13, 11 data input
1Y[0:3]
18, 16, 14, 12 data output
2Y[0:3]
3, 5, 7, 9
data output
GND
10
ground (0 V)
VCC
20
supply voltage
6. Functional description
Table 3.
Control
nOE
L
Function table[1]
H
Input
nAn
L
H
X
Output
nYn
L
H
Z
[1] H = HIGH voltage level; L = LOW voltage level; X = don’t care; Z = high-impedance OFF-state.
7. Limiting values
Table 4. Limiting values
In accordance with the Absolute Maximum Rating System (IEC 60134). Voltages are referenced to GND (ground = 0 V).
Symbol
Parameter
Conditions
Min Max Unit
VCC
VI
IIK
IOK
IO
ICC
IGND
Tstg
Ptot
supply voltage
input voltage
input clamping current
output clamping current
output current
supply current
ground current
storage temperature
total power dissipation
SO20 package
VI < 0.5 V
VO < 0.5 V or VO > VCC + 0.5 V
VO = 0.5 V to (VCC + 0.5 V)
Tamb = 40 C to +125 C
0.5
0.5
[1] 20
[1] -
-
-
75
65
+7.0 V
+7.0 V
-
mA
20 mA
25 mA
75
mA
-
mA
+150 C
[2] -
500 mW
TSSOP20 package
[3] -
500 mW
DHVQFN20 package
[4] -
500 mW
[1] The input and output voltage ratings may be exceeded if the input and output current ratings are observed.
[2] Ptot derates linearly with 8 mW/K above 70 C.
[3] Ptot derates linearly with 5.5 mW/K above 60 C.
[4] Ptot derates linearly with 4.5 mW/K above 60 C.
74AHC_AHCT244_Q100
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 1 — 9 July 2012
© Nexperia B.V. 2017. All rights reserved
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