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SN74AVCH2T45DCTT 数据表(PDF) 7 Page - Texas Instruments

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部件名 SN74AVCH2T45DCTT
功能描述  2-Supply, Bus Transceiver with Configurable Level-Shifting
Download  31 Pages
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制造商  TI1 [Texas Instruments]
网页  http://www.ti.com
标志 TI1 - Texas Instruments

SN74AVCH2T45DCTT 数据表(HTML) 7 Page - Texas Instruments

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SN74AVCH2T45
www.ti.com
SCES582H – JULY 2004 – REVISED APRIL 2015
7.4 Thermal Information
SN74AVCH2T45
THERMAL METRIC(1)
DCT (SSOP)
DCU (VSSOP)
YZP (DSBGA)
UNIT
8 PINS
8 PINS
8 PINS
RθJA
Junction-to-ambient thermal resistance
194.4
199.3
105.8
RθJC(top)
Junction-to-case (top) thermal resistance
124.7
76.2
1.6
RθJB
Junction-to-board thermal resistance
106.8
80.6
10.8
°C/W
ψJT
Junction-to-top characterization parameter
49.8
7.1
3.1
ψJB
Junction-to-board characterization parameter
105.8
80.1
10.8
(1)
For more information about traditional and new thermal metrics, see the IC Package Thermal Metrics application report, SPRA953.
7.5 Electrical Characteristics
over recommended operating free-air temperature range (unless otherwise noted)
(1) (2)
TA = 25°C
–40°C to 85°C
PARAMETER
TEST CONDITIONS
VCCA
VCCB
UNIT
MIN
TYP
MAX
MIN
TYP
MAX
IOH = –100 μA
1.2 V to 3.6 V
1.2 V to 3.6 V
VCCO – 0.2
IOH = –3 mA
1.2 V
1.2 V
0.95
IOH = –6 mA
1.4 V
1.4 V
1.05
VOH
(3)
VI = VIH
V
IOH = –8 mA
1.65 V
1.65 V
1.2
IOH = –9 mA
2.3 V
2.3 V
1.75
IOH = –12 mA
3 V
3 V
2.3
IOL = 100 μA
1.2 V to 3.6 V
1.2 V to 3.6 V
0.2
IOL = 3 mA
1.2 V
1.2 V
0.15
IOL = 6 mA
1.4 V
1.4 V
0.35
VOL
(3)
VI = VIL
V
IOL = 8 mA
1.65 V
1.65 V
0.45
IOL = 9 mA
2.3 V
2.3 V
0.55
IOL = 12 mA
3 V
3 V
0.7
II
(3)
DIR input
VI = VCCA or GND
1.2 V to 3.6 V
1.2 V to 3.6 V
±0.025
±0.25
±1
μA
VI = 0.42 V
1.2 V
1.2 V
25
VI = 0.49 V
1.4 V
1.4 V
15
IBHL
(4)
VI = 0.58 V
1.65 V
1.65 V
25
μA
VI = 0.7 V
2.3 V
2.3 V
45
VI = 0.8 V
3.3 V
3.3 V
100
VI = 0.78 V
1.2 V
1.2 V
–25
VI = 0.91 V
1.4 V
1.4 V
–15
IBHH
(5)
VI = 1.07 V
1.65 V
1.65 V
–25
μA
VI = 1.6 V
2.3 V
2.3 V
–45
VI = 2 V
3.3 V
3.3 V
–100
1.2 V
1.2 V
50
1.6 V
1.6 V
125
IBHLO
(6)
VI = 0 to VCC
1.95 V
1.95 V
200
μA
2.7 V
2.7 V
300
3.6 V
3.6 V
500
(1)
VCCO is the voltage associated with the output port supply VCCA or VCCB.
(2)
VCCI is the voltage associated with the input port supply VCCA or VCCB.
(3)
VOH: Output High Voltage; VOL: Output Low Voltage; II: Control Input Current.
(4)
The bus-hold circuit can sink at least the minimum low sustaining current at VIL maximum. IBHL should be measured after lowering VIN to
GND and then raising it to VIL maximum.
(5)
The bus-hold circuit can source at least the minimum high sustaining current at VIH mininum. IBHH should be measured after raising VIN
to VCC and then lowering it to VIH minimum.
(6)
An external driver must source at least IBHLO to switch this node from low to high.
Copyright © 2004–2015, Texas Instruments Incorporated
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