FST3383CW [FAIRCHILD]

Bus Exchanger, CBT/FST/QS/5C/B Series, 1-Func, 10-Bit, True Output, CMOS;
FST3383CW
型号: FST3383CW
厂家: FAIRCHILD SEMICONDUCTOR    FAIRCHILD SEMICONDUCTOR
描述:

Bus Exchanger, CBT/FST/QS/5C/B Series, 1-Func, 10-Bit, True Output, CMOS

逻辑集成电路
文件: 总5页 (文件大小:50K)
中文:  中文翻译
下载:  下载PDF数据表文档文件
December 1993  
Revised May 1999  
FST3383  
10-Bit Low Power Bus-Exchange Switch  
General Description  
Features  
The FST3383 provides two sets 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 operates as a 10-bit bus switch  
or a 5-bit bus exchanger. The bus exchange (BX) signal  
provides nibble swapping of the AB and CD pairs of sig-  
nals. This exchange configuration allows byte swapping of  
buses in systems. It can also be used as a quad 2-to-1  
multiplexer and to create low delay barrel shifters. The bus  
enable (BE) signal turns the switches ON.  
5switch connection between two ports  
Zero propagation delay  
Ultra low power with 0.2 µA typical ICC  
Zero ground bounce in flow-through mode  
Control inputs compatible with TTL level  
Ordering Code:  
Order Number  
FST3383WM  
FST3383QSC  
FST3383MTC  
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  
Pin Descriptions  
Truth Table  
Pin Names  
Description  
A0–A4  
B0–B4  
BE BX  
Function  
Bus Switch Enable  
BE  
H
L
L
X
L
High-Z State High-Z State Disconnect  
BX  
Bus Exchange  
Buses A, B  
C0–C4  
D0– D4  
C0–C4  
Connect  
A0–A4, B0–B4  
C0–C4, D0–D4  
H
D0–D4  
Exchange  
Buses C, D  
© 1999 Fairchild Semiconductor Corporation  
DS011652.prf  
www.fairchildsemi.com  
Absolute Maximum Ratings(Note 1)  
Recommended Operating  
Conditions  
Supply Voltage (VCC  
)
0.5V to +7.0V  
0.5V to +7.0V  
0.5V to +7.0V  
DC Switch Voltage (VS)  
Supply Voltage (VCC  
)
4.0V to 5.5V  
DC Input Voltage (VI) (Note 2)  
Free Air Operating Temperature (TA)  
40°C to +85°C  
DC Input Diode Current (IIN  
with VI < 0  
)
Note 1: The “Absolute Maximum Ratings” are 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  
Characteristics tables are not guaranteed at the absolute maximum ratings.  
The “Recommended Operating Conditions” table will define the conditions  
for actual device operation.  
20 mA  
120 mA  
DC Output (IO) Sink Current  
Storage Temperature Range (TSTG  
Power Dissipation  
)
65°C to +150°C  
0.5W  
Note 2: The input and output negative voltage ratings may be exceeded if  
the input and output diode current ratings are observed.  
DC Electrical Characteristics  
T
= −40°C to +85°C  
A
V
(V)  
CC  
Symbol  
Parameter  
Units  
Conditions  
Min  
Typ  
Max  
(Note 3)  
V
V
V
Maximum Clamp Diode Voltage  
Minimum High Level Input Voltage  
Maximum Low Level Input Voltage  
Maximum Input  
4.75  
4.75–5.25  
4.75–5.25  
0
1.2  
V
V
I
= −18 mA  
IN  
IK  
2.0  
IH  
IL  
0.8  
10  
V
I
µA  
0 V 5.25V  
IN  
IN  
Leakage Current  
5.25  
±1  
I
I
Maximum 3-STATE I/O Leakage  
Short Circuit Current  
5.25  
±10  
µA  
mA  
0 A, B V  
CC  
OZ  
OS  
4.75  
100  
V (A), V (B) = 0V, V (B), V (A) = 4.75V  
I I I I  
R
Switch On Resistance (Note 4)  
4.75  
5
7
V = 0V, I = 30 mA  
I ON  
ON  
10  
0.2  
15  
10  
2.5  
V = 2.4V, I = 15 mA  
I ON  
I
Maximum Quiescent Supply Current  
5.25  
5.25  
µA  
mA  
V = V , GND, I = 0  
CC  
I
CC  
O
I  
Increase in I per Input (Note 5)  
V
= 3.15V, I = 0, Per Control Input  
O
CC  
CC  
IN  
Note 3: All typical values are at V = 5.0V, T = 25°C.  
CC  
A
Note 4: 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.  
Note 5: Per TTL driven input (V = 3.15V, control inputs only). A and B pins do not contribute to I  
.
CC  
IN  
www.fairchildsemi.com  
2
AC Electrical Characteristics  
T
= −40°C to +85°C, C = 50 pF  
L
A
V
(V)  
CC  
Symbol  
Parameter  
Units  
ns  
Min  
Typ  
Max  
(Note 6)  
t
t
t
t
t
t
t
t
,
,
Data Propagation Delay  
to C , D or B to D , C (Note 7)  
4.75  
0.25  
6.5  
PLH  
PHL  
PLH  
PHL  
A
n
n
n
n
n
n
Switch Exchange Time  
BX to A , B , C , D  
4.75  
4.75  
4.75  
1.5  
1.5  
1.5  
ns  
n
n
n
n
,
Switch Enable Time  
BE to A , B , C or D  
n
6.5  
ns  
PZL  
PZH  
n
n
n
,
Switch Disable Time  
BE to A , B , C , or D  
n
5.5  
ns  
PLZ  
PHZ  
n
n
n
Note 6: All typical values are at V = 5.0V, T = 25°C.  
CC  
A
Note 7: This parameter is guaranteed by design but not tested. The bus switch contributes no propagation delay other than the RC delay of the On resis-  
tance of the switch and the load capacitance. The time constant for the switch and alone is of the order of 0.25 ns for 50 pF load. Since this time constant is  
much smaller than the rise/fall times of typical driving signals, it adds very little propagation delay to the system. Propagation delay of the bus switch when  
used in a system is determined by the driving circuit on the driving side of the switch and its interaction with the load on the driven side.  
Capacitance (Note 8)  
Symbol  
Parameter  
Control Input Capacitance  
Input/Output Capacitance  
Typ  
4
Max  
6
Units  
pF  
Conditions  
C
C
V
V
= 5.0V  
= 5.0V  
IN  
CC  
CC  
(OFF)  
9
13  
pF  
I/O  
Note 8: Capacitance is characterized but not tested.  
On-Resistance (RON) vs Input Voltage  
(VCC = 5.0V)  
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 Fairchild’s proven switch technology used for several years in its  
74LVX3L384 (FST3384) bus switch product.  
LIFE SUPPORT POLICY  
FAIRCHILD’S 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  
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.  

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