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参数资料
| 型号： | SN74CBT3244CDBQR |
| 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 4-BIT DRIVER, TRUE OUTPUT, PDSO20 |
| 封装： | PLASTIC, QSOP-20 |
| 文件页数： | 18/22页 |
| 文件大小： | 802K |
| 代理商： | SN74CBT3244CDBQR |
SN74CBT3244C
8BIT FET BUS SWITCH
5V BUS SWITCH WITH 2V UNDERSHOOT PROTECTION
SCDS130A SEPTEMBER 2003 REVISED OCTOBER 2003
5
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
A
IOZ
VCC = 5.5 V,
VO = 0 to 5.5 V,
VI = 0,
Switch OFF,
VIN = VCC or GND
±10
A
Ioff
VCC = 0,
VO = 0 to 5.5 V,
VI = 0
10
A
ICC
VCC = 5.5 V,
II/O = 0,
VIN = VCC or GND,
Switch ON or OFF
3
A
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
4
pF
Cio(OFF)
VI/O = 3 V or 0,
Switch OFF,
VIN = VCC or GND
5.5
pF
Cio(ON)
VI/O = 3 V or 0,
Switch ON,
VIN = VCC or GND
14
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
5.2
1.5
4.8
ns
tdis
OE
A or B
5.1
1.5
5.7
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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| SN74CBT3244CDBQRE4 | 功能描述:数字总线开关 IC Octal Bus Trnscvr With 3-State Outputs 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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| SN74CBT3244CDBR | 功能描述:数字总线开关 IC Octal 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 |
| SN74CBT3244CDBRE4 | 功能描述:数字总线开关 IC Octal Bus Trnscvr With 3-State Outputs 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 |
| SN74CBT3244CDBRG4 | 功能描述:数字总线开关 IC Octal FETBus 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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