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参数资料
| 型号： | SN74CBT3305CD |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 总线收发器 |
| 英文描述： | CBT/FST/QS/5C/B SERIES, DUAL 1-BIT DRIVER, TRUE OUTPUT, PDSO8 |
| 封装： | GREEN, PLASTIC, MS-012-AA, SOIC-8 |
| 文件页数： | 9/14页 |
| 文件大小： | 396K |
| 代理商： | SN74CBT3305CD |
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Electrical Characteristics
(1)
Switching Characteristics
Undershoot Characteristics
SN74CBT3305C
DUAL FET BUS SWITCH
5-V BUS SWITCH WITH –2-V UNDERSHOOT PROTECTION
SCDS125B – SEPTEMBER 2003 – REVISED AUGUST 2005
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
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,
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 indicate 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 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
ten
OE
A or B
4.4
1.5
4.1
ns
tdis
OE
A or B
5.1
1.5
4.8
ns
(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).
PARAMETER
TEST CONDITIONS
MIN
TYP(1)
MAX
UNIT
VOUTU
VCC = 5.5 V,
Switch OFF,
VIN = VCC or GND
2
VOH – 0.3
V
(1)
All typical values are at VCC = 5 V (unless otherwise noted), TA = 25°C.
4
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| SN74CBT3305CDR | 功能描述:数字总线开关 IC Dual FET Bus Switch RoHS:否 制造商:Texas Instruments 开关数量:24 传播延迟时间:0.25 ns 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:TSSOP-56 封装:Reel |
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