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参数资料
| 型号： | FST3244MTCX |
| 厂商： | Fairchild Semiconductor |
| 文件页数： | 4/7页 |
| 文件大小： | 0K |
| 描述： | IC SWITCH BUS 8BIT TTL 20TSSOP |
| 标准包装： | 2,500 |
| 类型： | 总线开关 |
| 电路： | 8 x 1:1 |
| 独立电路： | 2 |
| 电压电源： | 单电源 |
| 电源电压： | 4 V ~ 5.5 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 20-TSSOP（0.173"，4.40mm 宽） |
| 供应商设备封装： | 20-TSSOP |
| 包装： | 带卷 (TR) |
1997 Fairchild Semiconductor Corporation
www.fairchildsemi.com
FST3244 Rev. 1.0.4
4
FST3244
—
8-Bit
Bus
Switch
DC Electrical Characteristics
Typical values are at VCC = 5.0 V and TA = 25°C.
Symbol
Parameter
Conditions
VCC (V)
TA=-40 to +85°C
Units
Min.
Typ.
Max.
VIK
Clamp Diode Voltage
IIN = -18 mA
4.5
-1.2
V
VIH
High-Level Input Voltage
4.0 to 5.5
2.0
V
VIL
Low-Level Input Voltage
4.0 to 5.5
0.8
V
IIN
Input Leakage Current
0
≤ VIN ≤ 5.5 V
5.5
±1.0
A
IOZ
Off-state Leakage Current
0
≤ A, B ≤ VCC
5.5
±1.0
A
RON
Switch On Resistance
(3)
VIN = 0 V, IIN = 64 mA
4.5
4
7
Ω
VIN = 0 V, IIN = 30 mA
4.5
4
7
VIN = 2.4 V, IIN = 15 mA
4.5
8
15
VIN = 2.4 V, IIN = 15 mA
4.0
11
20
ICC
Quiescent Supply Current
VIN = VCC or GND,
IOUT = 0
5.5
3
A
ΔICC
Increase in ICC per Input
One Input at 3.4 V, Other
Inputs at VCC or GND
5.5
2.5
mA
Note:
3.
Measured by the voltage drop between the A and B pins at the indicated current through the switch. On
resistance is determined by the lower of the voltages on the A or B pins.
AC Electrical Characteristics
TA = -40 to +85°C, CL = 50 pF, and RU = RD = 500
Ω.
Symbol
Parameter
Conditions
VCC = 4.5 – 5.5 V
VCC = 4.0 V
Units
Figure
Min.
Max.
Min.
Max.
tPHL, tPLH
Propagation Delay
Bus-to Bus
(4)
VIN = Open
0.25
ns
Figure 3
Figure 4
tPZH ,tPZL
Output Enable Time
VIN = 7 V for tPZL
VIN = Open for
tPZH
1.0
5.6
6.1
ns
Figure 3
Figure 4
tPHZ, tPLZ
Output Disable Time
VIN = 7 V for tPLZ
VIN = Open for
tPHZ
1.0
6.2
5.6
ns
Figure 3
Figure 4
Note:
4.
This parameter is guaranteed by design, but is not tested. The bus switch contributes no propagation delay other
than the RC delay of the typical on resistance of the switch and the 50 pF load capacitance when driven by an
ideal voltage source (zero output impedance).
Capacitance
TA = +25°C, f = 1MHz. Capacitance is characterized, but not tested.
Symbol
Parameter
Conditions
Typ.
Units
CIN
Control Pin Input Capacitance
VCC = 5.0 V
3
pF
CI/O
Input/Output Capacitance
VCC, /OE = 5.0 V
5
pF
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相关代理商/技术参数 |
参数描述 |
|---|---|
| FST3244MTCX-NL | 制造商:FAIRCHILD 制造商全称:Fairchild Semiconductor 功能描述:Octal Bus Switch |
| FST3244QSC | 功能描述:数字总线开关 IC 8-Bit 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 |
| FST3244QSCX | 功能描述:数字总线开关 IC 8-Bit 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 |
| FST3244WM | 功能描述:数字总线开关 IC 8-Bit 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 |
| FST3244WM | 制造商:Fairchild Semiconductor Corporation 功能描述:IC BUS SWITCHES ROHS COMPLIANT:NO |
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