FSTD16861MTDX Fairchild Semiconductor, FSTD16861MTDX Datasheet
FSTD16861MTDX
Manufacturer Part Number
FSTD16861MTDX
Description
IC SWITCH BUS 20BIT TTL 48TSSOP
Manufacturer
Fairchild Semiconductor
Type
Bus Switchr
Datasheet
1.FSTD16861MTDX.pdf
(6 pages)
Specifications of FSTD16861MTDX
Circuit
10 x 1:1
Independent Circuits
2
Voltage Supply Source
Single Supply
Voltage - Supply
4.5 V ~ 5.5 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
48-TSSOP
Logic Family
FST
Number Of Bits
20
Number Of Elements
2
Technology
CMOS
High Level Output Current
-128mA
Low Level Output Current
128mA
On Resistance
35Ohm
Propagation Delay Time
7ns
Package Type
TSSOP W
Operating Temp Range
-40C to 85C
Operating Temperature Classification
Industrial
Operating Supply Voltage (min)
4.5V
Operating Supply Voltage (typ)
5V
Operating Supply Voltage (max)
5.5V
Quiescent Current
1.5mA
Pin Count
48
Mounting
Surface Mount
Number Of Switches
Dual
Supply Voltage (max)
7 V
Supply Voltage (min)
0.5 V
Maximum Operating Temperature
+ 85 C
Minimum Operating Temperature
- 40 C
Mounting Style
SMD/SMT
On Resistance (max)
35 Ohms
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Current - Output High, Low
-
Lead Free Status / Rohs Status
Compliant
© 2005 Fairchild Semiconductor Corporation
FSTD16861MTD
FSTD16861
20-Bit Bus Switch with Level Shifting
General Description
The Fairchild Switch FSTD16861 provides 20-bits of high-
speed CMOS TTL-compatible bus switching. The low On
Resistance of the switch allows inputs to be connected to
outputs without adding propagation delay or generating
additional ground bounce noise. A diode to V
integrated into the circuit to allow for level shifting between
5V inputs and 3.3V outputs.
The device is organized as a 10-bit or 20-bit bus switch.
When OE
nected to Port 1B. When OE
to Port 2B. When OE
exists between the A and B Ports.
Ordering Code:
Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.
TruTranslation
Order Number
1
¥
is LOW, the switch is ON and Port 1A is con-
is trademark of Fairchild Semiconductor Corporation.
Package Number
X
is HIGH, a high impedance state
MTD48
2
is LOW, Port 2A is connected
48-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 6.1mm Wide
CC
DS500421
has been
Features
Note 1: To ensure the high-impedance state during power up or power
down, OE should be tied to V
value of the resistor is determined by the current-sourcing capability of the
driver.
4
Minimal propagation delay through the switch.
Low l
Zero bounce in flow-through mode.
Control inputs compatible with TTL level.
TruTranslation
3.3V outputs
Power-off high impedance inputs and outputs
Supports live insertion/withdrawal (Note 1)
:
switch connection between two ports.
Package Description
CC
.
¥
voltage translation from 5.0V inputs to
CC
through a pull-up resistor; the minimum
May 2001
Revised June 2005
www.fairchildsemi.com
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FSTD16861MTDX Summary of contents
Page 1
... MTD48 48-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 6.1mm Wide Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code. ¥ TruTranslation is trademark of Fairchild Semiconductor Corporation. © 2005 Fairchild Semiconductor Corporation Features : 4 switch connection between two ports. ...
Page 2
Connection Diagram Pin Descriptions Pin Name Description Bus Switch Enables Bus Bus www.fairchildsemi.com Logic Diagram Truth Table Inputs Inputs/Outputs OE OE 1A, 1B ...
Page 3
Absolute Maximum Ratings Supply Voltage ( Switch Voltage (V ) (Note Input Voltage (V ) (Note Input Diode Current ( Output Current (I ) ...
Page 4
AC Electrical Characteristics Symbol Parameter Propagation Delay Bus-to-Bus (Note 8) PHL PLH Output Enable Time PZH PZL Output Disable Time PHZ PLZ Note 8: This parameter is guaranteed by design but ...
Page 5
Output Voltage HIGH vs. Supply Voltage FIGURE 3. 5 www.fairchildsemi.com ...
Page 6
Physical Dimensions inches (millimeters) unless otherwise noted 48-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 6.1mm Wide Technology Description The Fairchild Switch family derives from and embodies Fairchild’s proven switch technology used for several years in its 74LVX3L384(FST3384) bus ...