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SN74CBT3125C 数据表(PDF) 4 Page - Texas Instruments

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部件名 SN74CBT3125C
功能描述  QUADRUPLE FET BUS SWITCH 5-VBUS SWITCH WITH -2-V UNDERSHOOT PROTECTION
Download  15 Pages
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制造商  TI [Texas Instruments]
网页  http://www.ti.com
标志 TI - Texas Instruments

SN74CBT3125C 数据表(HTML) 4 Page - Texas Instruments

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SN74CBT3125C
QUADRUPLE FET BUS SWITCH
5V BUS SWITCH WITH 2V UNDERSHOOT PROTECTION
SCDS122A − JULY 2003 − REVISED OCTOBER 2003
4
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP†
MAX
UNIT
VIK
Control inputs
VCC = 4.5 V,
IIN = −18 mA
−1.8
V
VIKU
Data inputs
VCC = 5 V,
0 mA
> II ≥ −50 mA,
VIN = VCC or GND,
Switch OFF
−2
V
IIN
Control inputs
VCC = 5.5 V,
VIN = VCC or GND
±1
µA
IOZ‡
VCC = 5.5 V,
VO = 0 to 5.5 V,
VI = 0,
Switch OFF,
VIN = VCC or GND
±10
µA
Ioff
VCC = 0,
VO = 0 to 5.5 V,
VI = 0
10
µA
ICC
VCC = 5.5 V,
II/O = 0,
VIN = VCC or GND,
Switch ON or OFF
3
µA
∆ICC§
Control inputs
VCC = 5.5 V,
One input at 3.4 V,
Other inputs at VCC or GND
2.5
mA
Cin
Control inputs
VIN = 3 V or 0
3
pF
Cio(OFF)
VI/O = 3 V or 0,
Switch OFF,
VIN = VCC or GND
5
pF
Cio(ON)
VI/O = 3 V or 0,
Switch ON,
VIN = VCC or GND
12.5
pF
VCC = 4 V,
TYP at VCC = 4 V
VI = 2.4 V,
IO = −15 mA
8
12
ron¶
VI = 0
IO = 64 mA
3
6
ron¶
VCC = 4.5 V
VI = 0
IO = 30 mA
3
6
VCC = 4.5 V
VI = 2.4 V,
IO = −15 mA
5
10
VIN and IIN refer to control inputs. VI, VO, II, and IO refer to data pins.
† All typical values are at VCC = 5 V (unless otherwise noted), TA = 25°C.
‡ For I/O ports, the parameter IOZ includes the input leakage current.
§ This is the increase in supply current for each input that is at the specified voltage level, rather than VCC or GND.
¶ Measured by the voltage drop between the 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.
switching characteristics over recommended operating free-air temperature range (unless
otherwise noted) (see Figure 3)
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
VCC = 4 V
VCC = 5 V
± 0.5 V
UNIT
PARAMETER
(INPUT)
(OUTPUT)
MIN
MAX
MIN
MAX
UNIT
tpd#
A or B
B or A
0.24
0.15
ns
ten
OE
A or B
4.4
1.5
4
ns
tdis
OE
A or B
4.4
1.5
4.4
ns
# 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).


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