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PDF FXL2T245 Data sheet ( Hoja de datos )
| Número de pieza | FXL2T245 | |
| Descripción | Low Voltage Dual Supply 2-Bit Signal Translator with Configurable Voltage Supplies and Signal Levels and 3-STATE Outputs | |
| Fabricantes | Fairchild Semiconductor | |
| Logotipo |  |
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January 2005
Revised January 2005
FXL2T245
Low Voltage Dual Supply 2-Bit Signal Translator
with Configurable Voltage Supplies
and Signal Levels and 3-STATE Outputs
General Description
The FXL2T245 is a configurable dual-voltage-supply trans-
lator designed for both uni-directional and bi-directional
voltage translation between two logic 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. This allows for bi-directional
voltage translation over a variety of voltage levels: 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.
Internal power down control circuits 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 FXL2T245 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 No power-up sequencing required
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 Power-off protection
s Control inputs (T/R, OE) levels are referenced to VCCA
voltage
s Packaged in 10-lead Pb-Free MicroPak (1.6mm x
2.1mm) package
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
FXL2T245L10X
MAC010A
Pb-Free package per JEDEC J-STD-020B.
Package Description
Pb-Free 10-Lead MicroPak, 1.6 mm x 2.1mm
© 2005 Fairchild Semiconductor Corporation DS500895
www.fairchildsemi.com
1 page  
AC Electrical Characteristics VCCA = 3.0V to 3.6V
Symbol
Parameter
tPLH, tPHL Propagation Delay A to B
Propagation Delay B to A
VCCB =
3.0V to 3.6V
Min Max
0.2 3.5
0.2 3.5
VCCB =
2.3V to 2.7V
Min Max
0.3 3.9
0.2 3.8
TA = −40°C to +85°C
VCCB =
1.65V to 1.95V
Min Max
0.5 5.4
0.3 4.0
VCCB =
1.4V to 1.6V
Min Max
0.6 6.8
0.5 4.3
tPZH, tPZL Output Enable OE to B 0.5 4.0 0.7 4.4 1.0 5.9 1.0 6.4
Output Enable OE to A 0.5 4.0 0.5 4.0 0.5 4.0 0.5 4.0
tPHZ, tPLZ Output Disable OE to B
0.2
3.8
0.2
4.0
0.7
4.8
1.5
6.2
Output Disable OE to A
0.2
3.7
0.2
3.7
0.2
3.7
0.2
3.7
AC Electrical Characteristics VCCA = 2.3V to 2.7V
Symbol
Parameter
tPLH, tPHL Propagation Delay A to B
Propagation Delay B to A
VCCB =
3.0V to 3.6V
Min Max
0.2 3.8
0.3 3.9
VCCB =
2.3V to 2.7V
Min Max
0.4 4.2
0.4 4.2
TA = −40°C to +85°C
VCCB =
1.65V to 1.95V
Min Max
0.5 5.6
0.5 4.5
VCCB =
1.4V to 1.6V
Min Max
0.8 6.9
0.5 4.8
tPZH, tPZL Output Enable OE to B 0.6 4.2 0.8 4.6 1.0 6.0 1.0 6.8
Output Enable OE to A 0.6 4.5 0.6 4.5 0.6 4.5 0.6 4.5
tPHZ, tPLZ Output Disable OE to B
0.2
4.1
0.2
4.3
0.7
4.8
1.5
6.7
Output Disable OE to A
0.2
4.0
0.2
4.0
0.2
4.0
0.2
4.0
AC Electrical Characteristics VCCA = 1.65V to 1.95V
Symbol
Parameter
tPLH, tPHL Propagation Delay A to B
Propagation Delay B to A
VCCB =
3.0V to 3.6V
Min Max
0.3 4.0
0.5 5.4
VCCB =
2.3V to 2.7V
Min Max
0.5 4.5
0.5 5.6
TA = −40°C to +85°C
VCCB =
1.65V to 1.95V
Min Max
0.8 5.7
0.8 5.7
VCCB =
1.4V to 1.6V
Min Max
0.9 7.1
1.0 6.0
tPZH, tPZL Output Enable OE to B 0.6 5.2 0.8 5.4 1.2 6.9 1.2 7.2
Output Enable OE to A 1.0 6.7 1.0 6.7 1.0 6.7 1.0 6.7
tPHZ, tPLZ Output Disable OE to B
0.2
5.1
0.2
5.2
0.8
5.2
1.5
7.0
Output Disable OE to A
0.5
5.0
0.5
5.0
0.5
5.0
0.5
5.0
AC Electrical Characteristics VCCA = 1.4V to 1.6V
Symbol
Parameter
tPLH, tPHL Propagation Delay A to B
Propagation Delay B to A
VCCB =
3.0V to 3.6V
Min Max
0.5 4.3
0.6 6.8
VCCB =
2.3V to 2.7V
Min Max
0.5 4.8
0.8 6.9
TA = −40°C to +85°C
VCCB =
1.65V to 1.95V
Min Max
1.0 6.0
0.9 7.1
VCCB =
1.4V to 1.6V
Min Max
1.0 7.3
1.0 7.3
tPZH, tPZL Output Enable OE to B 1.1 7.5 1.1 7.6 1.3 7.7 1.4 7.9
Output Enable OE to A 1.0 7.5 1.0 7.5 1.0 7.5 1.0 7.5
tPHZ, tPLZ Output Disable OE to B
0.4
6.1
0.4
6.2
0.9
6.2
1.5
7.5
Output Disable OE to A
1.0
6.0
1.0
6.0
1.0
6.0
1.0
6.0
VCCB =
1.1V to 1.3V
Min Max
1.4 22.0
0.8 13.0
1.5 17.0
0.5 4.0
2.0 17.0
0.2 3.7
Units
ns
ns
ns
VCCB =
1.1V to 1.3V
Min Max
1.4 22.0
1.0 7.0
1.5 17.0
0.6 4.5
2.0 17.0
0.2 4.0
Units
ns
ns
ns
VCCB =
1.1V to 1.3V
Min Max
1.5 22.0
1.2 8.0
1.5 18.0
1.0 6.7
2.0 17.0
0.5 5.0
Units
ns
ns
ns
VCCB =
1.1V to 1.3V
Min Max
1.5 22.0
1.3 9.5
2.0 20.0
1.0 7.5
2.0 18.0
1.0 6.0
Units
ns
ns
ns
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| Páginas | Total 9 Páginas | |
| PDF Descargar | [ Datasheet FXL2T245.PDF ] | |
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