FST3384MTC

更新时间:2025-07-04 02:42:26
品牌:FAIRCHILD
描述:10-Bit Low Power Bus Switch

FST3384MTC 概述

10-Bit Low Power Bus Switch 10位低功耗总线开关

FST3384MTC 数据手册

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September 1997  
Revised December 1999  
FST3384  
10-Bit Low Power Bus Switch  
General Description  
Features  
4switch connection between two ports  
Minimal propagation delay through the switch  
Ultra low power with < 0.1 µA typical ICC  
The Fairchild Switch FST3384 provides 10 bits of high-  
speed CMOS TTL-compatible bus switches. The low on  
resistance of the switch allows inputs to be connected to  
outputs without adding propagation delay or generating  
additional ground bounce noise. The device is organized  
as two 5-bit switches with separate bus enable (OE) sig-  
nals. When OE is LOW, the switch is ON and Port A is con-  
nected to Port B. When OE is HIGH, the switch is OPEN  
and a high-impedance state exists between the two ports.  
Zero ground bounce in flow-through mode  
Control inputs compatible with TTL level  
Ordering Code:  
Order Number  
FST3384WM  
FST3384QSC  
FST3384MTC  
Package Number  
M24B  
Package Description  
24-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300 Wide  
24-Lead Quarter Size Outline Package (QSOP), JEDEC MO-137, 0.150 Wide  
24-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide  
MQA24  
MTC24  
Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.  
Logic Diagram  
Connection Diagram  
Truth Table  
Pin Descriptions  
Pin Names  
Description  
OEA OEB  
B0–B4  
B5–B9  
Function  
OEA, OEB  
Bus Switch Enable  
Bus A  
Bus B  
L
L
L
H
L
A0A4  
A0A4  
HIGH-Z State A5A9  
A5A9  
Connect  
Connect  
Connect  
A0A9  
B0B9  
HIGH-Z State  
H
H
H
HIGH-Z State HIGH-Z State Disconnect  
© 1999 Fairchild Semiconductor Corporation  
DS500046  
www.fairchildsemi.com  
Print form created on December 13, 1999 4:03  
Absolute Maximum Ratings(Note 1)  
Recommended Operating  
Conditions (Note 3)  
Supply Voltage (VCC  
)
0.5V to +7.0V  
0.5V to +7.0V  
0.5V to +7.0V  
50 mA  
DC Switch Voltage (VS)  
Power Supply Operating (VCC  
Input Voltage (VIN  
Output Voltage (VOUT  
)
4.0V to 5.5V  
0V to 5.5V  
0V to 5.5V  
DC Input Voltage (VIN) (Note 2)  
DC Input Diode Current (IIK) VIN<0V  
DC Output (IOUT) Sink Current  
)
)
128 mA  
Input Rise and Fall Time (tr, tf)  
Switch Control Input  
DC VCC/GND Current (ICC/IGND  
)
+/100mA  
0nS/V to 5nS/V  
0nS/V to DC  
Storage Temperature Range (TSTG  
)
65°C to +150°C  
Switch I/O  
Free Air Operating Temperature (TA)  
40°C to +85°C  
Note 1: The Absolute Maximum Ratingsare those values beyond which  
the safety of the device cannot be guaranteed. The device should not be  
operated at these limits. The parametric values defined in the Electrical  
Characteristicstable are not guaranteed at the absolute maximum ratings.  
The Recommended Operating Conditionstable will define the conditions  
for actual device operation.  
Note 2: The input and output negative voltage ratings may be exceeded if  
the input and output diode current ratings are observed.  
Note 3: Unused control inputs must be held HIGH or LOW. They may not  
float.  
DC Electrical Characteristics  
T
A = −40°C to +85°C  
VCC  
(V)  
Symbol  
Parameter  
Units  
Condition  
Typ  
Min  
Max  
(Note 4)  
VIK  
Clamp Diode Voltage  
HIGH Level Input Voltage  
LOW Level Input Voltage  
Input Leakage Current  
OFF-STATE Leakage Current  
Switch On Resistance  
(Note 5)  
4.5  
4.0-5.5  
4.0-5.5  
5.5  
1.2  
V
V
IIN= − 18mA  
VIH  
VIL  
II  
2.0  
0.8  
±1.0  
±1.0  
7
V
µA  
µA  
0 VIN 5.5V  
0 A, B VCC  
IOZ  
RON  
5.5  
4.5  
4
4
V
V
V
V
V
IN = 0V, IIN = 64mA  
4.5  
7
IN = 0V, IIN = 30mA  
4.5  
8
15  
20  
3
IN = 2.4V, IIN = 15mA  
IN = 2.4V, IIN = 15mA  
IN = VCC or GND, IOUT = 0  
4.0  
11  
ICC  
Quiescent Supply Current  
Increase in ICC per Input  
5.5  
µA  
mA  
ICC  
5.5  
2.5  
One input at 3.4V  
Other inputs at VCC or GND  
Note 4: All typical values are at VCC = 5.0V, TA = 25°C.  
Note 5: Measured by voltage drop between A and B pin at indicated current through the switch. On resistance is determined by the lower of the voltages on  
the two (A or B) pins.  
www.fairchildsemi.com  
2
AC Electrical Characteristics  
T
A = −40°C to +85°C  
L = 50 pF, RU = RD = 500Ω  
CC = 4.0V  
C
Symbol  
Parameter  
Units  
Conditions  
Figure No.  
V
CC = 4.5 5.5V  
V
Min  
Max  
Min  
Max  
t
PHL, tPLH  
Prop Delay Bus to Bus (Note 6)  
0.25  
0.25  
ns  
ns  
VI = OPEN  
Figure 1  
Figure 2  
tPZH, tPZL  
Output Enable Time  
OEA, OEB to An, Bn  
Output Disable Time  
OEA, OEB to An, Bn  
1.0  
1.5  
5.7  
5.2  
6.2  
5.5  
VI = 7V for tPZL  
Figure 1  
Figure 2  
VI = OPEN for tPZH  
II = 7V for tPLZ  
tPHZ, tPLZ  
ns  
Figure 1  
Figure 2  
VI = OPEN for tPHZ  
Note 6: This parameter is guaranteed by design but not tested. The bus switch contributes no propagation delay other than the RC delay of the typical On  
resistance of the switch and the 50pF load capacitance, when driven by an ideal voltage the source (zero output impedance).  
Capacitance (Note 7)  
Symbol  
CIN  
CI/O (OFF)  
Parameter  
Control Input Capacitance  
Input/Output Capacitance  
Typ  
3
Max  
6
Units  
pF  
Conditions  
CC = 5.0V  
VCC, OE = 5.0V  
V
5
13  
pF  
Note 7: Capacitance is characterized but not tested.  
AC Loading and Waveforms  
FST3384 VIN vs RON (Typ)  
Note: Input driven by 50 source terminated in 50 Ω  
Note: CL includes load and stray capacitance  
Note: Input PRR = 1.0 MHz, tW = 500 nS  
FIGURE 1. AC Test Circuit  
FIGURE 2. AC Waveforms  
3
www.fairchildsemi.com  
Physical Dimensions inches (millimeters) unless otherwise noted  
24-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300 Wide  
Package Number M24B  
24-Lead Quarter Size Outline Package (QSOP), JEDEC MO-137, 0.150 Wide  
Package Number MQA24  
www.fairchildsemi.com  
4
Physical Dimensions inches (millimeters) unless otherwise noted (Continued)  
24-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide  
Package Number MTC24  
Technology Description  
The Fairchild Switch family derives from and embodies Fairchilds proven switch technology used for several years in its  
74LVX3L384 (FST3384) bus switch product.  
Fairchild does not assume any responsibility for use of any circuitry described, no circuit patent licenses are implied and  
Fairchild reserves the right at any time without notice to change said circuitry and specifications.  
LIFE SUPPORT POLICY  
FAIRCHILDS PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT  
DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF FAIRCHILD  
SEMICONDUCTOR CORPORATION. As used herein:  
1. Life support devices or systems are devices or systems  
which, (a) are intended for surgical implant into the  
body, or (b) support or sustain life, and (c) whose failure  
to perform when properly used in accordance with  
instructions for use provided in the labeling, can be rea-  
sonably expected to result in a significant injury to the  
user.  
2. A critical component in any component of a life support  
device or system whose failure to perform can be rea-  
sonably expected to cause the failure of the life support  
device or system, or to affect its safety or effectiveness.  
www.fairchildsemi.com  
5
www.fairchildsemi.com  

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