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CXB1582Q Просмотр технического описания (PDF) - Sony Semiconductor
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CXB1582Q
Fibre Channel Receiver
Sony Semiconductor
CXB1582Q Datasheet PDF : 23 Pages
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CXB1582Q
Pin
No.
Symbol
Type
Typical pin
I/O voltage
Equivalent circuit
V
CC
G
69 REFCLK
TTL
input
TTL level
REFCLK
V
EE
T
Description
Reference clock
input.
This pin is used for
PLL frequency pull-in.
Input the clock with
1/20 frequency of the
serial data rate
during 1.0625Gbaud
mode or with 1/10
frequency of the
serial data rate
during 531.25Mbaud
V
EE
T
mode (around
53.125MHz in either
case).
External
part
70 RTCAP connec
—
-tion
pin
V
CC
G
V
EE
G
V
CC
T5
RTCAP
Connects the
capacitor which
determines the POR
∗
(power-on reset
signal) low time.
(See Notes on
Operation and Fig. 4.)
V
EE
T
71 POR
∗
TTL
output
TTL level
V
CC
T5
V
CC
T3
POR
∗
V
EE
T
Power-on reset
signal output.
When the power is
turned on, POR
∗
maintains low level
for approximately
100ns and then goes
to high level. (See
Notes on Operation
and Fig. 4.)
– 11 –
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