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PI74STX2G4245UEX

P1-P3P4-P6P7-P8
4
PS8729F 10/11/08
PI74STX2G4245
2-Bit Level Shifting Buffer/Transceiver with
Confi gurable Dual Supply Voltage
Electrical Characteristics (Over recommended operating free-air temperature range)
Parameters Test Conditions V
DDA
(1)
V
DDB
(1)
Min. Typ.
(2)
Max. Units
V
OHA
(B to A)
I
OH
= -100uA 1.65V to 3.6V
2.3V ≤ V
DDB
≤
5.5V and V
DDB
≥
V
DDA
V
DDB
-0.1
V
I
OH
= -4mA 1.65V 1.3
I
OH
= -8mA 2.3V 1.8
I
OH
= -12mA 3.0V 2.4
V
OLA
(B to A)
I
OH
= 100uA 1.65V to 3.6V 0.1
I
OH
= 4mA 1.65V 0.24
I
OH
= 8mA 2.3V 0.3
I
OH
= 12mA 3.0V 0.4
V
OHB
(A to B)
I
OH
= -100uA
1.65V ≤ V
DDA
≤
3.6V and V
DDB
≥
V
DDA
2.3V to 5.5V V
DDB
-0.1
I
OH
= -8mA 2.3V 1.8
I
OH
= -12mA 3.0V 2.4
I
OH
= -24mA 4.5V 3.8
V
OLB
(A to B)
I
OH
= 100uA 2.3V to 5.5V 0.1
I
OH
= 8mA 2.3V 0.3
I
OH
= 12mA 3.0V 0.4
I
OH
= 24mA 4.5V 0.55
I
I
(3)
V
I
= V
DDA
/V
DDB
or GND
1.65V to 3.6V and
V
DDB
≥ V
DDA
2.3V to 5.5V and
V
DDB
≥ V
DDA
±5
μA
I
OFF
V
I
or V
O
= V
DDB
or GND 0V 0 to 5.5V ±10
V
I
or V
O
= V
DDA
or GND 0 to 3.6V 0V ±10
I
CCA
V
I
= V
DDA
or GND, I
O
= 0
1.65V to 3.6V and
V
DDB
≥ V
DDA
2.3 to 5.5V and
V
DDB
≥ V
DDA
10
I
CCB
V
I
= V
DDB
or GND, I
O
= 0 10
C
I
A1, DIR VI = V
DDA
or GND 1.8V 3.3V 4.5
pF
C
O
B1 Vo = V
DDB
or GND 1.8V 3.3V 4.5
C
IO
A2, B2
V
I
or V
O
= V
DDA
/V
DDB
or
GND
1.8V 3.3V 6.0
Notes:
1. When 1.65 ≤ V
DDA
≤ 1.95V, V
DDB
can not be greater then 3.6V
2. All Typical values are at T
A
= 25ºC
3. For I/O ports, the paraneter I
I
includes the output leackage current.
08-0291
5
PS8729F 10/11/08
PI74STX2G4245
2-Bit Level Shifting Buffer/Transceiver with
Confi gurable Dual Supply Voltage
Switching Characteristics for V
DDA
= 1.8V ± 0.15V
(Over recommended operating free-air temperature range, see fi gure 1)
Parameter
From
(Input)
To
(Output)
V
DDB
= 2.5V ±0.2V V
DDB
= 3.3V ±0.3V
Units
Min. Max. Min. Max.
t
PHL
AB
1.0 8 1.0 8
ns
t
PLH
1.0 8 1.0 8
t
PHL
BA
1.0 7 1.0 7
t
PLH
1.0 7 1.0 7
t
SK(O)
1.5 1
Switching Characteristics for V
DDA
= 2.5V ± 0.2V
(Over recommended operating free-air temperature range, see fi gure 1)
Parameter
From
(Input)
To
(Output)
V
DDB
= 2.5V ±0.2V V
DDB
= 3.3V ±0.3V V
DDB
= 5V ±0.5V
Units
Min. Max. Min. Max. Min. Max.
t
PHL
AB
1.0 7 1.0 6.5 1.0 6
ns
t
PLH
1.0 7 1.0 6.5 1.0 6
t
PHL
BA
1.0 6 1.0 6 1.0 5
t
PLH
1.0 6 1.0 6 1.0 5
t
SK(O)
1.5 1 1
Switching Characteristics for V
DDA
= 3.3V ± 0.3V
(Over recommended operating free-air temperature range, see fi gure 1)
Parameter
From
(Input)
To
(Output)
V
DDB
= 3.3V ±0.3V V
DDB
= 5V ±0.5V
Units
Min. Max. Min. Max.
t
PHL
AB
1.0 5 1.0 5
ns
t
PLH
1.0 5 1.0 5
t
PHL
BA
1.0 5 1.0 5
t
PLH
1.0 5 1.0 5
t
SK(O)
11
08-0291
6
PS8729F 10/11/08
PI74STX2G4245
2-Bit Level Shifting Buffer/Transceiver with
Confi gurable Dual Supply Voltage
AC Loading and Waveforms
Figure 1. AC Test Circuit
Figure 2. I
CCD
Test Circuit
Figure 3. AC Waveforms
C
L
includes load and stray capacitance
Input PRR = 1.0 MHz; t
W
= 500ns
Input
R
L
C
L
V
DDA/B
Output
Input = AC Waveform; t
r
= t
f
= 1.8ns;
PRR = 10 MHz; Duty Cycle = 50%
Input Output
V
DD
A
V
OH
GND
Input
Output
t
W
t
PHL
t
R
= 3ns t
f
= 3ns
t
PLH
V
OL
50%50%
50%50%
90%
90%
10% 10%
V
DD
V
DDA/B
C
L
R
L
1.8 ± 0.15V 15pF 1KΩ
2.5V ± 0.2V 15pF 500Ω
3.0V to 3.6V 30pF 500Ω
5V ± 0.5V 50pF 500Ω
08-0291
P1-P3P4-P6P7-P8

PI74STX2G4245UEX

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IC BUFFER NON-INVERT 5.5V 8MSOP
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New from this manufacturer.
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