XR82C684J-F Exar Corporation, XR82C684J-F Datasheet - Page 68
XR82C684J-F
Manufacturer Part Number
XR82C684J-F
Description
Quad Channel UART
Manufacturer
Exar Corporation
Datasheet
1.XR82C684CJ44-F.pdf
(107 pages)
Specifications of XR82C684J-F
Features
*
Number Of Channels
4, QUART
Fifo's
3 Byte
Voltage - Supply
5V
Mounting Type
Surface Mount
Package / Case
68-LCC (J-Lead)
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
XR82C684J-F
Manufacturer:
Exar Corporation
Quantity:
10 000
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D.7 Explanation of Clock Timing Signals
tCLK - X1/CLK (External) High or Low Time
fCLK - X1/CLK Crystal High or Low Time
tCTC - Counter/Timer External Clock High or
the parameter tRTX, which is another spec associated
with the IP2 input.
XR82C684
Low Time - IP2/IP10 Input
Symbol
Please note that this limit has no relationship with
Parameter
Figure 37. Clock Timing
IP2/IP10 Input
tRTX - RXC and TXC (External) High or Low Time
fRTX - RXC and TXC (External) Frequency - via
fCTC - Counter/Timer External Clock Frequency -
- via IP3 - IP6, and IP11 - IP14
IP3 - IP6, and IP11 - IP14
Min.
Limits
Typ.
Max.
Units
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