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SN74HC244 Datasheet(PDF) 5 Page - Texas Instruments

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Part # SN74HC244
Description  Octal Buffers and Line Drivers With 3-State Outputs
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

SN74HC244 Datasheet(HTML) 5 Page - Texas Instruments

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5
SN54HC244, SN74HC244
www.ti.com
SCLS130E – DECEMBER 1982 – REVISED MAY 2016
Product Folder Links: SN54HC244 SN74HC244
Submit Documentation Feedback
Copyright © 1982–2016, Texas Instruments Incorporated
(1)
For more information about traditional and new thermal metrics, see the Semiconductor and IC Package Thermal Metrics application
report, SPRA953.
6.4 Thermal Information
THERMAL METRIC(1)
SN54HC244, SN74HC244
UNIT
DB (SSOP)
DW (SOIC)
N (PDIP)
NS (SOP)
PW (TSSOP)
20 PINS
20 PINS
20 PINS
20 PINS
20 PINS
RθJA
Junction-to-ambient thermal
resistance
89.5
76.8
44.9
71.9
97.5
°C/W
RθJC(top)
Junction-to-case (top) thermal
resistance
50.9
42.2
30.9
38.2
32.6
°C/W
RθJB
Junction-to-board thermal resistance
44.6
44.6
25.8
39.3
48.4
°C/W
ψJT
Junction-to-top characterization
parameter
17
15.6
16.4
14.9
1.7
°C/W
ψJB
Junction-to-board characterization
parameter
44.2
44.1
25.7
39
47.9
°C/W
6.5 Electrical Characteristics
TA = 25°C (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VOH
VI = VIH or VIL
IOH = –20 µA
VCC = 2 V
1.9
1.998
V
VCC = 4.5 V
4.4
4.499
VCC = 6 V
5.9
5.999
IOH = –6 mA, VCC = 4.5 V
3.98
4.3
IOH = –7.8 mA, VCC = 6 V
5.48
5.8
VOL
VI = VIH or VIL
IOL = 20 µA
VCC = 2 V
0.002
0.1
V
VCC = 4.5 V
0.001
0.1
VCC = 6 V
0.001
0.1
IOL = 6 mA, VCC = 4.5 V
0.17
0.26
IOL = 7.8 mA, VCC = 6 V
0.15
0.26
II
VI = VCC or 0, VCC = 6 V
±0.1
±100
nA
IOZ
VO = VCC or 0, VI = VIH or VIL, VCC = 6 V
±0.01
±0.5
µA
ICC
VI = VCC or 0, IO = 0, VCC = 6 V
8
µA
Ci
VCC = 2 V to 6 V
3
10
pF
6.6 Electrical Characteristics – SN54HC244
over recommended operating free-air temperature range (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VOH
VI = VIH or VIL
IOH = –20 µA
VCC = 2 V
1.9
V
VCC = 4.5 V
4.4
VCC = 6 V
5.9
IOH = –6 mA, VCC = 4.5 V
3.7
IOH = –7.8 mA, VCC = 6 V
5.2
VOL
VI = VIH or VIL
IOL = 20 µA
VCC = 2 V
0.1
V
VCC = 4.5 V
0.1
VCC = 6 V
0.1
IOL = 6 mA, VCC = 4.5 V
0.4
IOL = 7.8 mA, VCC = 6 V
0.4
II
VI = VCC or 0, VCC = 6 V
±1000
nA
IOZ
VO = VCC or 0, VI = VIH or VIL, VCC = 6 V
±10
µA
ICC
VI = VCC or 0, IO = 0, VCC = 6 V
160
µA
Ci
VCC = 2 V to 6 V
10
pF


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