UT54BS16210 Datasheet PDF - Aeroflex Circuit Technology
Part Number | UT54BS16210 | |
Description | 20bit Bus Switch | |
Manufacturers | Aeroflex Circuit Technology | |
Logo | ||
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UT54BS16210 20bit Bus Switch
Preliminary Datasheet
February 2015
www.aeroflex.com/busswitch
FEATURES
□ Provides cold-sparing capability without the need for actual
cold-sparing multiplexer inputs
□ Bidirectional operation
□ 3.3V operating lower supply with typical 11Ω switch
connection between ports
□ 5V operating lower supply with typical 5Ω switch
connection between ports
□ Isolates non cold-spared devices from an active bus
□ Ultra low power CMOS technology
□ ESD rating HBM: 2000V, Class 2
□ Operational environment:
- Total dose: 300 krad(Si)
- Latchup immune (LET <= 100 MeV-cm2/mg)
□ Packaging:
- 48-lead flatpack
□ Standard Microcircuit Drawing (SMD)
- QML Q and V pending
INTRODUCTION
The UT54BS16210 will provide 20 bits of high-speed CMOS-
compatible bus switching. The low on-state resistance of the
switch allows connections to be made with minimal
propagation delay. The device is organized as a dual 10-bit
bus switch with separate output-enable (/EN) inputs. It can be
used as two 10-bit bus switches or as one 20-bit bus switch.
When /EN is low, the associated 10-bit bus switch is on, and
port A is connected to port B. When /EN is high, the switch is
open, and the high-impedance state exists between the ports.
APPLICATIONS INFORMATION
Memory Interface
- Solution for multiple memory devices on a bus
Bus Isolation
- Ability to electrically isolate a device, or banks of
devices, from memory bus or ADC output when not
needed
- Enables bank switching for redundancy or device
failure
- Provides cold-sparing capability without the need for
actual cold-sparing buffers
Redundancy
- Allows multiple non cold-spare devices to be present
on a bus
Supports Analog Applications
- In voltage range: 3.0 to 3.6V or 4.5 to 5.5V
- Signal isolation: -60dB
- Bandwidth (3dB): 500 MHz
1A1 1B1 2A1
2B1
1A10
/EN1
36-00-03-003
Ver. 1.0.0
1B10
2A10
/EN2
2B10
Figure 1. UT54BS16210 Block Diagram
1 Aeroflex Microelectronic Solutions - HiRel
|
|
Symbol
RONH 1,2
Parameter
Resistance through
switch
Condition
MIN
VDD=4.5V
VI = VDD
IO = -30mA
IO = -15mA
MAX
10
13
Unit
Ω
VDD= 3.0V
VI = VDD
IO = -30mA
IO = -15mA
10
13
Ω
R ON(Flat)
1,2
Switch On Resistance
VDD=3.0V,4.5V IO = -30mA
VI = VDD
IO = -15mA
5Ω
6
Notes:
* For devices procured with a total ionizing dose tolerance guarantee, the post-irradiation
performance is guaranteed at 25°C per MIL-STD-883 Method 1019, Condition A up to the
maximum TID level procured.
1. 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 lowest voltage of the two (A or B)
terminals.
2. Guaranteed by design.
36-00-03-003
Ver. 1.0.0
5 Aeroflex Microelectronic Solutions - HiRel
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Information | Total 11 Pages | |
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