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PDF 74AVC1T45 Data sheet ( Hoja de datos )
| Número de pieza | 74AVC1T45 | |
| Descripción | SINGLE BIT DUAL POWER SUPPLY TRANSLATING TRANSCEIVER | |
| Fabricantes | Diodes | |
| Logotipo |  |
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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
1 page  
74AVC1T45
Electrical Characteristics (Notes 9 & 10) (@TA = +40°C to +85°C, unless otherwise specified.)
Symbol Parameter
Test Conditions
IOH = -100μA
IOH = -3mA
High Level
IOH = -6mA
VOH Output Voltage IOH = -8mA
IOH = -9mA
IOH = -12mA
IOL = 100μA
IOL = 3mA
Low-Level Output IOL = 6mA
VOL Voltage
IOL = 8mA
IOL = 9mA
IOL = 12mA
II Input Current DIR VI = VCC(A) or GND
VCC (A)
1.2 to 3.6V
1.2V
1.4V
1.65V
2.3V
3V
1.2 to 3.6V
1.2V
1.4V
1.65V
2.3V
3V
1.2 to 3.6V
VCC (B)
1.2V to 3.6V
1.2V
1.4V
1.65V
2.3V
3V
1.2V to 3.6V
1.2V
1.4V
1.65V
2.3V
3V
1.2 to 3.6V
TA = +25°C
Min Typ Max
---
- 0.95 -
---
---
---
---
---
- 0.15 -
---
---
---
---
-0.25 ±0.25 0.25
TA = -40°C to +85°C
Min Max
VCC – 0.2
-
--
1.05 -
1.2 -
1.75 -
2.3 -
- 0.2
-
- 0.35
- 0.45
- 0.55
- 0.7
-1 1
Unit
V
V
μA
Power Down
A Pin
IOFF Leakage Current
VI or VO = 0 to 3.6V
B Pin
3-State Leakage B Pin VO = VCCO or Gnd
IOZ Current
A Pin VI= VCCI or Gnd
ICCA
Supply Current
VI = VCCI or GND
IO = 0
ICCB
Supply Current
VI = VCCI or GND
IO = 0
ICCA +
ICCB
CI
CIO
Notes:
Supply Current
VI = VCCI or GND
IO = 0
Input
DIR VI= VCC(A) or
Capacitance
GND
Input/Output
A or B VI= VCC(A)/(B) or
Capacitance
pin
GND
9. VCCO is the VCC associated with the output port.
10. VCCI is the VCC associated with the input port.
0V
0 to 3.6V
-1 ±0.1
0 to 3.6V
0V
0 to 3.6V
1.2 to 3.6V
3.6V
0V
1.2 to 3.6V
0V
3.6V
0
0 to 3.6V
0
11.2 to 3.6V
0V
3.6V
1.2 to 3.6V
3.6V
0V
-1
-2.5
-2.5
-
-
-
-
-
-
±0.1
±0.5
±0.5
-
-
-
-
-
-
1.2 to 3.6V 1.2 to 3.6V -
-
3.3V
3.3V
- 2.5
3.3V
3.3V
- 6.0
1
1
2.5
2.5
-
-
-
-
-
-
-
-
-
-5
-5
-5
-5
-
-
-
-
-
-
-
-
-
5
μA
5
5
μA
5
10
-2 μA
10
10
10 μA
-2
20 μA
- pF
- pF
74AVC1T45
Document number: DS38131 Rev. 1 – 2
5 of 17
www.diodes.com
September 2016
© Diodes Incorporated
5 Page 
Package Outline Dimensions (All dimensions in mm.)
Please see http://www.diodes.com/package-outlines.html for the latest version.
SOT26
D
E1 E
b
e1
a1
A3
e
A2
A1
Seating Plane
c
L
74AVC1T45
SOT26
Dim Min Max Typ
A1 0.013 0.10 0.05
A2 1.00 1.30 1.10
A3 0.70 0.80 0.75
b 0.35 0.50 0.38
c 0.10 0.20 0.15
D 2.90 3.10 3.00
e - - 0.95
e1 -
- 1.90
E 2.70 3.00 2.80
E1 1.50 1.70 1.60
L 0.35 0.55 0.40
a- -
8°
a1 -
-
7°
All Dimensions in mm
a
Suggested Pad Layout
Please see http://www.diodes.com/package-outlines.html for the latest version.
SOT26
C1
Y1 G
Y
X
C
Dimensions
C
C1
G
X
Y
Y1
Value (in mm)
2.40
0.95
1.60
0.55
0.80
3.20
74AVC1T45
Document number: DS38131 Rev. 1 – 2
11 of 17
www.diodes.com
September 2016
© Diodes Incorporated
11 Page | ||
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| PDF Descargar | [ Datasheet 74AVC1T45.PDF ] | |
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