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PDF FXLH42245 Data sheet ( Hoja de datos )
| Número de pieza | FXLH42245 | |
| Descripción | Low Voltage Dual Supply 8-Bit Signal Translator with Configurable Voltage Supplies and Bushold Data Inputs and 3-STATE Outputs and 26 Series Resisto | |
| Fabricantes | Fairchild Semiconductor | |
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June 2004
Revised October 2004
FXLH42245
Low Voltage Dual Supply 8-Bit Signal Translator
with Configurable Voltage Supplies and
Bushold Data Inputs and 3-STATE Outputs and
26Ω Series Resistors in the B Port Outputs
General Description
The FXLH42245 is a configurable dual-voltage-supply
translator designed for bi-directional voltage translation of
signals between two voltage levels. The device allows
translation between voltages as high as 3.6V to as low as
1.1V. The A Port tracks the VCCA level, and the B Port
tracks the VCCB level. Both ports are designed to accept
supply voltage levels from 1.1V to 3.6V. This allows for bi-
directional voltage translation over a variety of voltage lev-
els: 1.2V, 1.5V, 1.8V, 2.5V, and 3.3V.
The device remains in 3-STATE until both VCCs reach
active levels allowing either VCC to be powered-up first.
The device also contains power down control circuits that
place the device in 3-STATE if either VCC is removed.
The Transmit/Receive (T/R) input determines the direction
of data flow through the device. The OE input, when HIGH,
disables both the A and B Ports by placing them in a
3-STATE condition. The FXLH42245 is designed so that
the control pins (T/R and OE) are supplied by VCCA.
Features
s Bi-directional interface between any 2 levels from
1.1V to 3.6V
s Fully configurable, inputs track VCC level
s Non-preferential power-up sequencing; either VCC may
be powered-up first
s Outputs remain in 3-STATE until active VCC level is
reached
s Outputs switch to 3-STATE if either VCC is at GND
s Bushold on data inputs eliminates the need for external
pull-up/pull-down resistors
s 26Ω output series resistors on the B Port to reduce line
noise
s Power-off protection
s Control inputs (T/R, OE) levels are referenced to VCCA
voltage
s Packaged in 24-terminal MLP
s ESD protection exceeds:
• 4kV HBM ESD
(per JESD22-A114 & Mil Std 883e 3015.7)
• 8kV HBM I/O to GND ESD
(per JESD22-A114 & Mil Std 883e 3015.7)
• 1kV CDM ESD (per ESD STM 5.3)
• 200V MM ESD (per JESD22-A115 & ESD STM5.2)
Ordering Code:
Order Number Package Number
Package Description
FXLH42245MPX
MLP024B 24-Terminal Molded Leadless Package (MLP), JEDEC MO-220, 3.5mm x 4.5mm
© 2004 Fairchild Semiconductor Corporation DS500882
www.fairchildsemi.com
1 page  
DC Electrical Characteristics (Continued)
Symbol
Parameter
Conditions
VCCI
(V)
VCCO
(V)
II(HOLD)
Bushold Input
Minimum Drive Current
II(OD)
Bushold Input Over-drive
(Note 6) Current-to-Change State
VIN = 0.8
VIN = 2.0
VIN = 0.7
VIN = 1.6
VIN = 0.57
VIN = 1.07
VIN = 0.49
VIN = 0.91
VIN = 0.11
VIN = 0.99
(Note 6)
(Note 7)
3.0
3.0
2.3
2.3
1.65
1.65
1.4
1.4
1.1
1.1
3.6
3.6
3.0
3.0
2.3
2.3
1.65
1.65
1.4
1.4
1.1
1.1
3.6
3.6
(Note 7)
(Note 6)
2.7 2.7
(Note 7)
2.7 2.7
(Note 6)
1.95
1.95
(Note 7)
1.95
1.95
(Note 6)
1.6 1.6
(Note 7)
1.6 1.6
(Note 6)
1.4 1.4
(Note 7)
1.4 1.4
IOFF Power Off Leakage Current
An, VI or VO = 0V to 3.6V
Bn, VI or VO = 0V to 3.6V
0
3.6
3.6
0
IOZ 3-STATE Output Leakage
An, Bn OE = VIH
3.6 3.6
(Note 8) VO, VCC or GND
Bn,
OE = Don’t Care
0
3.6
ICCA/B
(Note 9)
VI = VIH or VIL
Quiescent Supply Current
An, OE = Don’t Care 3.6
0
VI = VCCI or GND; IO = 0 1.1 - 3.6 1.1 - 3.6
ICCZ
Quiescent Supply Current
(Note 9)
VI = VCCI or GND; IO = 0 1.1 - 3.6 1.1 - 3.6
ICCA
Quiescent Supply Current
VI = VCCA or GND; IO = 0
0
VI = VCCA or GND; IO = 0 1.1 - 3.6
ICCB
Quiescent Supply Current
VI = VCCB or GND; IO = 0 1.1 - 3.6
VI = VCCB or GND; IO = 0
0
∆ICCA/B Increase in ICC per Input;
VIH = 3.0
3.6
Other Inputs at VCC or GND
Note 4: VCCI = the VCC associated with the data input under test.
Note 5: VCCO = the VCC associated with the output under test.
Note 6: An external driver must source at least the specified current to switch LOW-to-HIGH.
1.1 - 3.6
0
0
1.1 - 3.6
3.6
Note 7: An external driver must sink at least the specified current to switch HIGH-to-LOW.
Note 8: Don’t Care = Any valid logic level.
Note 9: Reflects current per supply, VCCA or VCCB.
Min
75.0
−75.0
45.0
−45.0
25.0
−25.0
11.0
−11.0
450
−450
300
−300
200
−200
120
−120
80.0
−80.0
Typ
4.0
−4.0
Max Units
µA
µA
±10.0
±10.0
±10.0
+10.0
+10.0
20.0
µA
µA
µA
20.0
µA
−10.0
10.0
−10.0
10.0
500
µA
µA
µA
5 www.fairchildsemi.com
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| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet FXLH42245.PDF ] | |
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