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Aeroflex Circuit Technology
Aeroflex Circuit Technology

UT54BS32245 Datasheet Preview

UT54BS32245 Datasheet

32bit Bus Switch

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UT54BS32245 pdf
Standard Products
UT54BS32245 32bit Bus Switch
Preliminary Datasheet
May 2015
www.aeroflex.com/busswitch
FEATURES
□ Provides cold-sparing capability without the need for actual
cold-sparing multiplexer inputs
□ Bidirectional Operation
□ 3.3 V operating power supply with typical 11Ω switch
connection between ports
□ 5.0V operating power supply 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: up to 300 krad(Si)
- Latchup immune (LET <= 100 MeV-cm2/mg)
□ Packaging options:
- 99-lead CCGA, CLGA, CBGA
□ Standard Microcircuit Drawing (SMD)
- QML Q and V pending
INTRODUCTION
The UT54BS32245 provides 32 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 four 8-bit bus
switches, two 16-bit bus switches, or one 32-bit bus switch.
When output enable (/EN) is low, the 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 two 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 3A1
3B1 4A1
4B1
1A8
/EN1
1B8 2A8
/EN2
2B8 3A8
/EN3
3B8 4A8
/EN4
4B8
Figure 1. UT54BS32245 Block Diagram
36-00-03-000
Ver. 1.0.0
1 Aeroflex Microelectronic Solutions - HiRel



Aeroflex Circuit Technology
Aeroflex Circuit Technology

UT54BS32245 Datasheet Preview

UT54BS32245 Datasheet

32bit Bus Switch

No Preview Available !

UT54BS32245 pdf
1 2 3 4 5 6 7 8 9 10
A 3A7 3A8 3A5 3A6 2A7 2A5 2A6 2A8 VSS
B 3A1 VDD 3B1 3B2 3B4 2B7 2B5 2B8 VDD 2A3
C 3A2 3B5 /OE3 3B3 VSS VSS 2B6 /OE2 2B4 2A4
D 3A4 3B6 3B7 NC VDD VDD NC 2B3 2B2 2A2
E 3A3 3B8 VSS VDD VSS VSS VDD VSS 2B1 2A1
F 4A1 4B1 VSS VDD VSS VSS VDD VSS 1B8 1A3
G 4A2 4B2 4B3 VSS VDD VDD NC 1B7 1B6 1A4
H 4A4 4B4 /OE4 4B6 VSS VSS 1B3 /OE1 1B5 1A2
J 4A3 VDD 4B8 4B5 4B7 1B4 1B2 1B1 VDD 1A1
K VSS 4A8 4A7 4A5 4A6 1A6 1A5 1A8 1A7 VSS
Figure 2. UT54BS32245 Pinout
36-00-03-000
Ver. 1.0.0
2 Aeroflex Microelectronic Solutions - HiRel


Part Number UT54BS32245
Description 32bit Bus Switch
Maker Aeroflex Circuit Technology
Total Page 14 Pages
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