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SN74AHC273PWG4 Datenblatt(PDF) 5 Page - Texas Instruments

Teilenummer SN74AHC273PWG4
Bauteilbeschribung  Octal D-Type Flip-Flops With Clear
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Hersteller  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

SN74AHC273PWG4 Datenblatt(HTML) 5 Page - Texas Instruments

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SN54AHC273, SN74AHC273
www.ti.com
SCLS376I – JUNE 1997 – REVISED MARCH 2015
7.4 Thermal Information
SN74AHC273
THERMAL METRIC(1)
N
DW
NS
DB
PW
DGV
UNIT
20 PINS
RθJA
Junction-to-ambient thermal resistance
53.9
81.8
79.4
98.7
104.7
118.1
Junction-to-case (top) thermal
RθJC(top)
38.8
47.8
45.9
60.4
38.8
33.4
resistance
RθJB
Junction-to-board thermal resistance
34.7
49.4
46.9
56.9
55.7
59.6
Junction-to-top characterization
°C/W
ψJT
26.9
20.1
19.1
21.6
2.9
1.1
parameter
Junction-to-board characterization
ψJB
34.7
49.0
46.5
53.5
55.1
58.9
parameter
Junction-to-case (bottom) thermal
RθJC(bot)
n/a
n/a
n/a
n/a
n/a
n/a
resistance
(1)
For more information about traditional and new thermal metrics, see the TI application report IC Package Thermal Metrics (SPRA953).
7.5 Electrical Characteristics
over recommended operating free-air temperature range (unless otherwise noted)
TA = 25°C
SN54AHC273
SN74AHC273
PARAMETER
TEST CONDITIONS
VCC
UNIT
MIN
TYP
MAX
MIN
MAX
MIN
MAX
2 V
1.9
1.9
1.9
IOH = –50 µA
3 V
2.9
2.9
2.9
VOH
4.5 V
4.4
4.4
4.4
V
IOH = –4 mA
3 V
2.58
2.48
2.48
IOH = –8 mA
4.5 V
3.94
3.8
3.8
2 V
0.1
0.1
0.1
IOL = 50 µA
3 V
0.1
0.1
0.1
VOL
4.5 V
0.1
0.1
0.1
V
IOL = 4 mA
3 V
0.36
0.5
0.44
IOL = 8 mA
4.5 V
0.36
0.5
0.44
0 to 5.5
II
VI = 5.5 V or GND
±0.1
±1(1)
±1
µA
V
ICC
VI = VCC or GND IO = 0
5.5 V
4
40
40
µA
Ci
VI = VCC or GND
5 V
2.5
10
10
pF
(1)
On products compliant to MIL-PRF-38535, this parameter is not production tested at VCC = 0 V.
7.6 Timing Requirements, VCC = 3.3 V ± 0.3 V
over recommended operating free-air temperature range (unless otherwise noted) (see Figure 3)
SN54AHC273
SN74AHC273
TA = 25°C
TA = 25°C
UNIT
MIN
MAX
MIN
MAX
MIN
MAX
MIN
MAX
CLR low
5
6
5
6
tw
Pulse Duration
ns
CLK high or low
5
6.5
5
6.5
Data before CLK
5.5
6.5
5.5
6.5
tsu
Setup time
ns
CLR before CLK
2.5
2.5
2.5
2.5
th
Hold time, data after CLK
1.5
2
1
1
ns
Copyright © 1997–2015, Texas Instruments Incorporated
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