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| 型号： | SN74CBTLV3251PWR |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 编、解码器及复用、解复用 |
| 英文描述： | CBTLV/3B SERIES, 1 LINE TO 8 LINE MULTIPLEXER AND DEMUX/DECODER, TRUE OUTPUT, PDSO16 |
| 封装： | PLASTIC, TSSOP-16 |
| 文件页数： | 15/20页 |
| 文件大小： | 804K |
| 代理商： | SN74CBTLV3251PWR |
SN74CBTLV3251
LOW VOLTAGE 1OF8 FET MULTIPLEXER/DEMULTIPLEXER
SCDS054I MARCH 1998 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
VCC = 3 V,
II = 18 mA
1.2
V
II
VCC = 3.6 V,
VI = VCC or GND
±1
A
Ioff
VCC = 0,
VI or VO = 0 to 3.6 V
20
A
ICC
VCC = 3.6 V,
IO = 0,
VI = VCC or GND
10
A
ICC
Control inputs
VCC = 3.6 V,
One input at 3 V,
Other inputs at VCC or GND
300
A
Ci
Control inputs
VI = 3 V or 0
3
pF
Cio(OFF)
A port
VO = 3 V or 0,
OE = VCC
40.5
pF
Cio(OFF)
B port
VO = 3 V or 0,
OE = VCC
6
pF
VCC = 2.3 V,
VI = 0
II = 64 mA
5
8
VCC = 2.3 V,
TYP at VCC = 2.5 V
VI = 0
II = 24 mA
5
8
ron§
TYP at VCC = 2.5 V
VI = 1.7 V,
II = 15 mA
27
40
ron§
VI = 0
II = 64 mA
5
7
VCC = 3 V
VI = 0
II = 24 mA
5
7
VCC = 3 V
VI = 2.4 V,
II = 15 mA
10
15
All typical values are at VCC = 3.3 V (unless otherwise noted), TA = 25°C.
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 the 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 1)
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
VCC = 2.5 V
± 0.2 V
VCC = 3.3 V
± 0.3 V
UNIT
PARAMETER
(INPUT)
(OUTPUT)
MIN
MAX
MIN
MAX
UNIT
tpd
A or B
B or A
0.15
0.25
ns
tpd
S
A
1
6.1
1
5.3
ns
ten
S
B
1
4.1
1
3.6
ns
tdis
S
B
1
3.5
1
3.3
ns
ten
OE
A or B
1
5.2
1
4.5
ns
tdis
OE
A or B
1
6.7
1
7.2
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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