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Integrated Device - 9-BIT BUS EXCHANGE SWITCH

Numéro de référence IDT74FST163209PF
Description 9-BIT BUS EXCHANGE SWITCH
Fabricant Integrated Device 
Logo Integrated Device 





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IDT74FST163209PF fiche technique
9-BIT BUS EXCHANGE
SWITCH
IDT74FST163209
ADVANCE INFORMATION
Integrated Device Technology, Inc.
FEATURES:
• Bus switches provide zero delay paths
• Extended commercial range of –40°C to +85°C
• Low switch on-resistance:
FST163xxx – 4
• TTL-compatible input and output levels
• ESD > 2000V per MIL-STD-883, Method 3015;
> 200V using machine model (C = 200pF, R = 0)
• Available in SSOP, TSSOP and TVSOP
DESCRIPTION:
The FST163209 belongs to IDT's family of Bus switches.
Bus switch devices perform the function of connecting or
isolating two ports without providing any inherent current sink
or source capability. Thus they generate little or no noise of
their own while providing a low resistance path for an external
driver. These devices connect input and output ports through
an n-channel FET. When the gate-to-source junction of this
FET is adequately forward-biased the device conducts and
the resistance between input and output ports is small. With-
out adequate bias on the gate-to-source junction of the FET,
the FET is turned off, therefore with no VCC applied, the device
has hot insertion capability.
The low on-resistance and simplicity of the connection
between input and output ports reduces the delay in this path
to close to zero.
The FST163209 provides four 9-bit TTL- compatible ports
that support 2 way bus exchange. The S0-2 pins control the
bus exchange and switch enable functions.
FUNCTIONAL BLOCK DIAGRAM
1 of 9 Channels
1A1 1B1
1A2 1B2
Flow Control
S0
S1
S2
3510 drw 01
PIN DESCRIPTION
Pin Names
A1, A2
B1, B2
S0-2
I/O
I/O
I
Description
Buses A1, A2, B1, B2
Control Pins for Mux and Switch
Enable Functions
3510 tbl 01
The IDT logo is a registered trademark of Integrated Device Technology, Inc.
COMMERCIAL TEMPERATURE RANGE
©1996 Integrated Device Technology, Inc.
1
SEPTEMBER 1996
DSC-3510/1

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