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74AVC1T45 데이터시트 PDF




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부품번호 74AVC1T45 기능
기능 SINGLE BIT DUAL POWER SUPPLY TRANSLATING TRANSCEIVER
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74AVC1T45 데이터시트, 핀배열, 회로
74AVC1T45
SINGLE BIT DUAL POWER SUPPLY TRANSLATING
TRANSCEIVER WITH 3 STATE OUTPUTS
Description
The 74AVC1T45 is a single bit, dual supply transceiver with 3-state
outputs suitable for transmitting a single logic bit across different
voltage domains. The A input/output pin is designed to track VCCA
while the B input/output tracks VCCB. This arrangement allows for
universal low-voltage translation between any voltages from 1.2V to
3.6V. The Direction pin (DIR) controls the direction of the transceiver
and in a logic voltage related to VCCA. When a high logic level is
applied to DIR the A pin becomes an input and the B pin becomes the
output. Conversely the roles of A and B are reversed when DIR is
asserted low.
The 3-state feature occurs when either of the power supply voltages
are zero. This is also an Ioff feature and allows for the output to
remain in a high impedance state with both power supplies at 0V
preventing damaging backflow currents and providing power down
electrical isolation up to 3.6 V as not to interfere with any logic activity
on pin A or B.
Pin Assignments
(Top View )
Vcc(A) 1
6 Vcc(B)
GND 2
5 DIR
A3 4B
SOT26
SOT363
(Bottom View)
A 3 4B
GND 2
5 DIR
Vcc(A) 1
6 Vcc(B)
X2-DFN1409-6
Chip Scale
Alternative
(Top View )
Vcc(A) 1
GND 2
A3
6 Vcc(B)
5 DIR
4B
X1-DFN1010-6
X2-DFN0910-6
X2-DFN1410-6
Features
Wide Supply Voltage Range:
VCC(A): from 1.2V to 3.6V
VCC(B): from 1.2V to 3.6V
± 12mA Output Drive at 3.3V
High Noise Immunity - (100mV hysteresis typical)
IOFF Supports Partial-Power-Down Mode Operation
IOFF controlled by either VCC being at 0V
Inputs accept up to 4.6V
ESD Protection Exceeds JESD 22
200-V Machine Model (A115)
2000-V Human Body Model (A114)
1000 V Charged Device Model ( C101)
Latch-Up Exceeds 100mA per JESD 78, Class I
X2-DFN1409-6 package designed as a direct replacement for
chip scale packaging.
Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)
Halogen and Antimony Free. “Green” Device (Note 3)
Applications
Voltage Level Translation
Well suited to join logic types operating at different voltages
Power Down Signal Isolation
If either voltage domain is turned off the signal is isolated and
there is no loading on signal lines
Wide array of products such as:
Cell Phones, Tablets, E-Readers
PCs, Notebooks, Netbooks, Ultrabooks
Networking, Routers, Gateways
Computer Peripherals, Hard Drives, CD/DVD ROMs
TVs, DVDs, DVRs, Set Top Boxes
Personal Navigation / GPS
MP3 players, Cameras, Video Recorders
Notes:
1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS) & 2011/65/EU (RoHS 2) compliant.
2. See http://www.diodes.com/quality/lead_free.html for more information about Diodes Incorporated’s definitions of Halogen- and Antimony-free, "Green"
and Lead-free.
3. Halogen- and Antimony-free "Green” products are defined as those which contain <900ppm bromine, <900ppm chlorine (<1500ppm total Br + Cl) and
<1000ppm antimony compounds.
74AVC1T45
Document number: DS38131 Rev. 1 2
1 of 17
www.diodes.com
September 2016
© Diodes Incorporated




74AVC1T45 pdf, 반도체, 판매, 대치품
74AVC1T45
Recommended Operating Condition (Notes 6, 7 & 8) (@TA = +25°C, unless otherwise specified.)
Symbol
VCC(A)
VCC(B)
Parameter
Operating Voltage
Operating Voltage
High-Level
VIH
Data Inputs
Input Voltage
VCCI
-
-
1.2 to 1.95V
1.95 to 2.7V
2.7V to 3.6V
VCCO
-
-
1.2 to 3.6V
1.2 to 3.6V
1.2 to 3.6V
Min
1.2
1.2
0.65 x VCC(A)
1.6
2
Max
3.6
3.6
-
-
-
Low-Level
VIL
Data Inputs
Input Voltage
1.2 to 1.95V
1.95 to 2.7V
2.7V to 3.6V
1.2 to 3.6V
1.2 to 3.6V
1.2 to 3.6V
- 0.35 x VCC(A)
- 0.7
- 0.8
DIR
High-Level
VIH Input Voltage (referenced to
VCCA)
1.2 to 1.95V
1.95 to 2.7V
2.7 to 3.6V
1.2 to 3.6V
1.2 to 3.6V
1.2 to 3.6V
0.65 x VCC(B)
1.6
2
-
-
-
DIR
Low-Level
VIL
(referenced to
Input Voltage
VCCA)
VI Input Voltage
Active state
VO Output Voltage
3-state
IOH High-Level Output Current
IOL Low-Level Output Current
1.2 to 1.95V
1.95 to 2.7V
2.7 to 3.6V
-
-
-
1.2 to 3.6V
1.2 to 3.6V
1.2 to 3.6V
1.2 to 3.6V
1.2 to 3.6V
1.2 to 3.6V
1.2 to 3.6V
1.2 to 3.6V
1.2 to 3.6V
1.2 to 3.6V
1.2 to 3.6V
1.2 to 3.6V
1.2 to 3.6V
-
-
-
1.2V
1.4 to 1.6V
1.65 to 1.95V
2.3 to 2.7V
3 to 3.6V
1.2V
1.4 to 1.6V
1.65 to 1.95V
2.3 to 2.7V
3 to 3.6V
- 0.35 x VCC(B)
- 0.7
- 0.8
0 3.6
0 VCCO
0 3.6
- -3
- -6
- -8
- -9
- -12
-3
-6
-8
-9
- 12
Δt/ΔV Input Transition Rise or Fall
Rate
1.2 to 3.6V
1.2 to 3.6V
-
5
TA
Note:
Operating Free-Air Temperature
6. VCCO is the VCC associated with the output port.
7. VCCI is the VCC associated with the input port.
8. All unused inputs of the device must be held at VCCI of GND.
-40 +85
Units
V
V
V
V
V
V
V
V
V
mA
mA
ns/V
°C
74AVC1T45
Document number: DS38131 Rev. 1 2
4 of 17
www.diodes.com
September 2016
© Diodes Incorporated

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74AVC1T45 전자부품, 판매, 대치품
74AVC1T45
Switching Characteristics (continued)
VCC (A) = 1.8V ± 0.15V, TA = -40°C to +85°C, See Figure 1
Parameter
From
(Input)
To
(Output)
VCC(B) =
1.2V
TYP
VCC(B) = 1.5V
±0.1
Min Max
tpLH
tpHL
tpLH
tpHL
tpHZ
tpLZ
tpHZ
tpLZ
tpZH*
tpZL*
tpZH*
tpZL*
A B 2.7 0.6 5.3
2.7 0.6 5.3
B A 2.3 0.5 5.2
2.3 0.5 5.2
DIR A 3.8 1.6 5.9
3.8 1.6 5.9
DIR B 5.0 1.8 7.7
5.0 1.8 7.7
DIR A 7.3 - 12.9
7.3 - 12.9
DIR B 6.5 - 11.2
6.5 - 11.2
*Enable times are calculated vales see table at end of switching characteristics.
VCC(B) = 1.8V
±0.15V
Min Max
0.5 5.0
0.5 5.0
0.4 5.0
0.4 5.0
1.6 5.9
1.6 5.9
1.4 6.8
1.4 6.8
- 11.8
- 11.8
- 10.9
- 10.9
VCC (A) = 2.5V ± 0.2V, TA = -40°C to +85°C, See Figure 1
Parameter
tpLH
tpHL
tpLH
tpHL
tpHZ
tpLZ
tpHZ
tpLZ
tpZH*
tpZL*
tpZH*
tpZL*
From
(Input)
A
B
DIR
DIR
DIR
DIR
To
(Output)
VCC(B) =
1.2V
TYP
2.6
B
2.6
2.2
A
2.2
2.8
A
2.8
4.9
B
4.9
7.1
A
7.1
5.4
B
5.4
VCC(B) = 1.5V
±0.1
Min Max
0.5 4.9
0.5 4.9
0.4 4.2
0.4 4.2
0.3 3.8
0.3 3.8
2.0 7.6
2.0 7.6
- 11.8
- 11.8
- 8.6
- 8.6
*Enable times are calculated vales see table at end of switching characteristics.
VCC(B) = 1.8V
±0.15V
Min Max
0.4 4.6
0.4 4.6
0.3 3.8
0.3 3.8
0.8 3.8
0.8 3.8
1.5 6.5
1.5 6.5
- 10.3
- 10.3
- 8.1
- 8.1
VCC (A) = 3.3V ± 0.3V, TA = -40°C to +85°C, See Figure 1
Parameter
tpLH
tpHL
tpLH
tpHL
tpHZ
tpLZ
tpHZ
tpLZ
tpZH*
tpZL*
tpZH*
tpZL*
From
(Input)
A
B
DIR
DIR
DIR
DIR
To
(Output)
VCC(B) =
1.2V
TYP
2.6
B
2.6
2.2
A
2.2
3.1
A
3.1
4
B
4
6.2
A
6.2
5.7
B
5.7
VCC(B) = 1.5V
±0.1
Min Max
0.4 4.7
0.4 4.7
0.4 3.8
0.4 3.8
1.3 4.3
1.3 4.3
0.7 7.4
0.7 7.4
- 11.2
- 11.2
- 8.9
- 8.9
VCC(B) = 1.8V
±0.15V
Min Max
0.3 4.4
0.3 4.4
0.3 3.4
0.3 3.4
1.3 4.3
1.3 4.3
0.6 6.5
0.6 6.5
- 9.9
- 9.9
- 8.5
- 8.5
*Enable times are calculated vales see table at end of switching characteristics.
74AVC1T45
Document number: DS38131 Rev. 1 2
7 of 17
www.diodes.com
VCC(B) = 2.5V
±0.2V
Min Max
0.4 3.9
0.4 3.9
0.3 4.6
0.3 4.6
1.6 5.9
1.6 5.9
1.0 4.4
1.0 4.4
- 9.0
- 9.0
- 9.8
- 9.8
VCC(B) = 2.5V
±0.2V
Min Max
0.3 3.4
0.3 3.4
0.2 3.4
0.2 3.4
0.4 3.8
0.4 3.8
0.6 4.1
0.6 4.1
- 7.5
- 7.5
- 7.0
- 7.0
VCC(B) = 2.5V
±0.2V
Min Max
0.2 3.3
0.2 3.3
0.2 3
0.2 3
1.3 4.3
1.3 4.3
0.7 4
0.7 4
-7
-7
- 7.2
- 7.2
VCC(B) = 3.3V
±0.3V
Min Max
0.4 3.4
0.4 3.4
0.2 4.4
0.2 4.4
0.5 6.0
0.5 6.0
1.4 5.3
1.4 5.3
- 8.7
- 8.7
- 9.4
- 9.4
Unit
ns
ns
ns
ns
ns
ns
VCC(B) = 3.3V
±0.3V
Min Max
0.3 3.0
0.3 3.0
0.2 3.3
0.2 3.3
0.5 3.8
0.5 3.8
1.0 4.0
1.0 4.0
- 7.3
- 7.3
- 6.6
- 6.6
Unit
ns
ns
ns
ns
ns
ns
VCC(B) = 3.3V
±0.3V
Min Max
0.2 2.8
0.2 2.8
0.1 2.8
0.1 2.8
1.3 4.3
1.3 4.3
1.5 4.9
1.5 4.9
- 6.7
- 6.7
- 6.8
- 6.8
Unit
ns
ns
ns
ns
ns
ns
September 2016
© Diodes Incorporated

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