74LVC244A View Datasheet(PDF) - Nexperia B.V. All rights reserved
Part Name
Description
Manufacturer
74LVC244A Datasheet PDF : 16 Pages
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Nexperia
74LVC244A; 74LVCH244A
Octal buffer/line driver; 3-state
5.2. Pin description
Table 2. Pin description
Symbol
1OE, 2OE
1A0, 1A1, 1A2, 1A3
2Y0, 2Y1, 2Y2, 2Y3
GND
2A0, 2A1, 2A2, 2A3
1Y0, 1Y1, 1Y2, 1Y3,
VCC
Pin
1, 19
2, 4, 6, 8
3, 5, 7, 9
10
17, 15, 13, 11
18, 16, 14, 12
20
Description
output enable input (active low)
data input
data output
ground (0 V)
data input
data output
supply voltage
6. Functional description
Table 3. Function table
H = HIGH voltage level; L = LOW voltage level; X = don’t care; Z = high-impedance OFF-state.
Control
Input
Output
nOE
nAn
nYn
L
L
L
L
H
H
H
X
Z
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
supply voltage
IIK
input clamping current
VI
input voltage
IOK
output clamping current
VO
output voltage
VI < 0 V
VO > VCC or VO < 0 V
output HIGH or LOW
output 3-state
-0.5
-50
[1]
-0.5
-
[2]
-0.5
[2]
-0.5
+6.5
V
-
mA
+6.5
V
±50
mA
VCC + 0.5 V
+6.5
V
IO
ICC
IGND
Tstg
Ptot
output current
supply current
ground current
storage temperature
total power dissipation
VO = 0 V to VCC
Tamb = -40 °C to +125 °C
-
-
-100
-65
[3]
-
±50
mA
100
mA
-
mA
+150 °C
500
mW
[1] The minimum input voltage ratings may be exceeded if the input current ratings are observed.
[2] The output voltage ratings may be exceeded if the output current ratings are observed.
[3] For SOT163-1 (SO20) package: Ptot derates linearly with 12.3 mW/K above 109 °C.
For SOT339-1 (SSOP20) package: Ptot derates linearly with 10.0 mW/K above 100 °C.
For SOT360-1 (TSSOP20) package: Ptot derates linearly with 10.0 mW/K above 100 °C.
For SOT764-1 (DHVQFN20) package: Ptot derates linearly with 12.9 mW/K above 111 °C.
74LVC_LVCH244A
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 10 — 8 April 2020
© Nexperia B.V. 2020. All rights reserved
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