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SN74CB3T3253DBQR Fiches technique(PDF) 5 Page - Texas Instruments

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No de pièce SN74CB3T3253DBQR
Description  DUAL 1-OF-4 FET MULTIPLEXER/DEMULTIPLEXER
Download  19 Pages
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Fabricant  TI [Texas Instruments]
Site Internet  http://www.ti.com
Logo TI - Texas Instruments

SN74CB3T3253DBQR Fiches technique(HTML) 5 Page - Texas Instruments

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Electrical Characteristics
(1)
Switching Characteristics
SN74CB3T3253
DUAL 1-OF-4 FET MULTIPLEXER/DEMULTIPLEXER
2.5-V/3.3-V LOW-VOLTAGE BUS SWITCH WITH 5-V TOLERANT LEVEL SHIFTER
SCDS148 – OCTOBER 2003 – REVISED JUNE 2005
over recommended operating free-air temperature range (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP(2)
MAX
UNIT
VIK
VCC = 3 V, II = –18 mA
–1.2
V
VOH
See Figure 3 and Figure 4
IIN
Control inputs
VCC = 3.6 V, VIN = 3.6 V to 5.5 V or GND
±10
µA
VI = VCC – 0.7 V to 5.5 V
±20
VCC = 3.6 V, Switch ON,
II
VI = 0.7 V to VCC – 0.7 V
–40
µA
VIN = VCC or GND
VI = 0 to 0.7 V
±5
VCC = 3.6 V, VO = 0 to 5.5 V, VI = 0,
IOZ(3)
±10
µA
Switch OFF, VIN = VCC or GND
Ioff
VCC = 0, VO = 0 to 5.5 V, VI = 0
10
µA
VI = VCC or GND
20
VCC = 3.6 V, II/O = 0, Switch ON or OFF,
ICC
µA
VIN = VCC or GND
VI = 5.5 V
20
VCC = 3 V to 3.6 V, One input at VCC – 0.6 V,
∆I
CC
(4)
Control inputs
300
µA
Other inputs at VCC or GND
Cin
Control inputs
VCC = 3.3 V, VIN = VCC or GND
3
pF
A port
12
VCC = 3.3 V, VI/O = 5.5 V, 3.3 V, or GND,
Cio(OFF)
pF
Switch OFF, VIN = VCC or GND
B port
5
VI/O = 5.5 V or 3.3 V
10
A port
VI/O = GND
22
Cio(ON)
VCC = 3.3 V, Switch ON, VIN = VCC or GND
pF
VI/O = 5.5 V or 3.3 V
4
B port
VI/O = GND
22
IO = 24 mA
5
8
VCC = 2.3 V, TYP at VCC = 2.5 V, VI = 0
IO = 16 mA
5
8
ron(5)
IO = 64 mA
5
7
VCC = 3 V, VI = 0
IO = 32 mA
5
7
(1)
VIN and IIN refer to control inputs. VI, VO, II, and IO refer to data pins.
(2)
All typical values are at VCC = 3.3 V (unless otherwise noted), TA = 25°C.
(3)
For I/O ports, the parameter IOZ includes the input leakage current.
(4)
This is the increase in supply current for each input that is at the specified TTL voltage level, rather than VCC or GND.
(5)
Measured by the voltage drop between A and B terminals at the indicated current through the switch. ON-state resistance is determined
by the lower of the voltages of the two (A or B) terminals.
over recommended operating free-air temperature range (unless otherwise noted) (see Figure 2)
VCC = 2.5 V
VCC = 3.3 V
FROM
TO
± 0.2 V
± 0.3 V
PARAMETER
UNIT
(INPUT)
(OUTPUT)
MIN
MAX
MIN
MAX
tpd(1)
A or B
B or A
0.15
0.25
ns
tpd(s)
S
A
1
10.5
1
8
ns
S
B
1
10
1
8
ten
ns
OE
A or B
1
8.5
1
8
S
B
1
7.5
1
8.5
tdis
ns
OE
A or B
1
6.5
1
8
(1)
The propagation delay is the calculated RC time constant of the typical ON-state resistance of the switch and the specified load
capacitance, when driven by an ideal voltage source (zero output impedance).
5


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