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| 型號： | SN74CBT3253CDG4 |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 編、解碼器及復(fù)用、解復(fù)用 |
| 英文描述： | CBT/FST/QS/5C/B SERIES, DUAL 1 LINE TO 4 LINE MULTIPLEXER AND DEMUX/DECODER, TRUE OUTPUT, PDSO16 |
| 封裝： | GREEN, PLASTIC, SOIC-16 |
| 文件頁數(shù)： | 18/22頁 |
| 文件大?。?/td> | 829K |
| 代理商： | SN74CBT3253CDG4 |
www.ti.com
Electrical Characteristics
(1)
Switching Characteristics
DUAL 1-OF-4 FET MULTIPLEXER/DEMULTIPLEXER
5-V BUS SWITCH WITH –2-V UNDERSHOOT PROTECTION
SCDS123B – JULY 2003 – REVISED JANUARY 2007
over recommended operating free-air temperature range (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN TYP(2)
MAX
UNIT
VIK
Control inputs
VCC = 4.5 V,
IIN = –18 mA
–1.8
V
0 mA > II ≥ –50 mA,
VIKU
Data inputs
VCC = 5 V,
Switch OFF
–2
V
VIN = VCC or GND,
IIN
Control inputs
VCC = 5.5 V,
VIN = VCC or GND
±1
A
VO = 0 to 5.5 V,
Switch OFF,
IOZ(3)
VCC = 5.5 V,
±10
A
VI = 0,
VIN = VCC or GND
Ioff
VCC = 0,
VO = 0 to 5.5 V,
VI = 0
10
A
II/O = 0,
ICC
VCC = 5.5 V,
Switch ON or OFF
3
A
VIN = VCC or GND,
I
CC
(4)
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
3.5
pF
A port
14
Cio(OFF)
VI/O = 3 V or 0,
Switch OFF,
VIN = VCC or GND
pF
B port
5.5
Cio(ON)
VI/O = 3 V or 0,
Switch ON,
VIN = VCC or GND
22
pF
VCC = 4 V,
VI = 2.4 V,
IO = –15 mA
8
12
TYP at VCC = 4 V
IO = 64 mA
3
6
ron(5)
VI = 0
VCC = 4.5 V
IO = 30 mA
3
6
VI = 2.4 V,
IO = –15 mA
5
10
(1)
VIN and IIN refer to control inputs. VI, VO, II, and IO refer to data pins.
(2)
All typical values are at VCC = 5 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 voltage level, rather than VCC or GND
(5)
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.
over recommended operating free-air temperature range, C
L = 50 pF (unless otherwise noted) (see Figure 3)
VCC = 5 V
VCC = 4 V
FROM
TO
± 0.5 V
PARAMETER
UNIT
(INPUT)
(OUTPUT)
MIN
MAX
MIN
MAX
tpd(1)
A or B
B or A
0.24
0.15
ns
tpd(s)
S
A
5.9
1.5
5.4
ns
S
B
6.2
1.5
5.8
ten
ns
OE
A or B
5.7
1.5
5.3
S
B
6.2
1.5
5.8
tdis
ns
OE
A or B
5.7
1.5
5.3
(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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