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74AVCH2T45DCTRE4 Datasheet(PDF) 8 Page - Texas Instruments

Part No. 74AVCH2T45DCTRE4
Description  2-Supply, Bus Transceiver with Configurable Level-Shifting
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Maker  TI1 [Texas Instruments]
Homepage  http://www.ti.com
Logo TI1 - Texas Instruments

74AVCH2T45DCTRE4 Datasheet(HTML) 8 Page - Texas Instruments

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SN74AVCH2T45
SCES582H – JULY 2004 – REVISED APRIL 2015
www.ti.com
Electrical Characteristics (continued)
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
1.2 V
1.2 V
–50
1.6 V
1.6 V
–125
IBHHO
(7)
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
A port
0 V
0 V to 3.6 V
±0.1
±1
±5
Ioff
(8)
VI or VO = 0 to 3.6 V
μA
B port
0 V to 3.6 V
0 V
±0.1
±1
±5
B port
0 V
3.6 V
±0.5
±2.5
±5
VO = VCCO or GND,
IOZ
(8)
VI = VCCI or GND
A port
3.6 V
0 V
±0.5
±2.5
±5
μA
1.2 V to 3.6 V
1.2 V to 3.6 V
10
ICCA
(8)
VI = VCCI or GND, IO = 0
0 V
3.6 V
–2
μA
3.6 V
0 V
10
1.2 V to 3.6 V
1.2 V to 3.6 V
10
ICCB
(8)
VI = VCCI or GND, IO = 0
0 V
3.6 V
10
μA
3.6 V
0 V
–2
ICCA + ICCB
VI = VCCI or GND, IO = 0
1.2 V to 3.6 V
1.2 V to 3.6 V
20
μA
Control
Ci
VI = 3.3 V or GND
3.3 V
3.3 V
2.5
pF
inputs
Cio
A or B port VI = 3.3 V or GND
3.3 V
3.3 V
6
pF
(7)
An external driver must sink at least IBHHO to switch this node from high to low.
(8)
Ioff: Partial Power Down Output current; IOZ: Hi-Z Output Current; ICCA: Supply A Current; ICCB: Supply B Current.
7.6 Switching Characteristics: VCCA = 1.2 V
over recommended operating free-air temperature range, VCCA = 1.2 V (see Figure 7)
VCCB = 1.2 V
VCCB = 1.5 V
VCCB = 1.8 V
VCCB = 2.5 V
VCCB = 3.3 V
FROM
TO
PARAMETER
UNIT
(INPUT)
(OUTPUT)
TYP
TYP
TYP
TYP
TYP
tPLH
(1)
3.1
2.6
2.4
2.2
2.2
A
B
ns
tPHL
(1)
3.1
2.6
2.4
2.2
2.2
tPLH
(1)
3.4
3.1
3
2.9
2.9
B
A
ns
tPHL
(1)
3.4
3.1
3
2.9
2.9
tPHZ
(1)
5.2
5.2
5.1
5
4.8
DIR
A
ns
tPLZ
(1)
5.2
5.2
5.1
5
4.8
tPHZ
(1)
5
4
3.8
2.8
3.2
DIR
B
ns
tPLZ
(1)
5
4
3.8
2.8
3.2
tPZH
(1) (2)
8.4
7.1
6.8
5.7
6.1
DIR
A
ns
tPZL
(1) (2)
8.4
7.1
6.8
5.7
6.1
tPZH
(1) (2)
8.3
7.8
7.5
7.2
7
DIR
B
ns
tPZL
(1) (2)
8.3
7.8
7.5
7.2
7
(1)
tPLH: Low-to-high Propagation Delay; tPHL: High-to-Low Propagation Delay; tPHZ: High-to-Hi-Z Propagation Delay; tPLZ: Low-to-Hi-Z
Propagation Delay; tPZH: Hi-Z-to-High Propagation Delay; tPZL: Hi-Z-to-Low Propagation Delay
(2)
The enable time is a calculated value derived using the formula shown in the Enable Times section.
8
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