CY7B923-SXC Cypress Semiconductor Corp, CY7B923-SXC Datasheet - Page 12

• Manufacturer Part Number: CY7B923-SXC
• Description: IC TRANSMITTER HOTLINK 28-SOIC
• Manufacturer: Cypress Semiconductor Corp
• Series: HOTlink™r
• Type: Transmitter and Receiverr

Specifications of CY7B923-SXC

• Package / Case: 28-SOIC (7.5mm Width)
• Protocol: Fibre Channel
• Voltage - Supply: 4.5 V ~ 5.5 V
• Mounting Type: Surface Mount
• Product: PHY
• Data Rate: 400 Mbps
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 4.5 V
• Supply Current: 0.085 A
• Maximum Operating Temperature: + 70 C
• Minimum Operating Temperature: 0 C
• Mounting Style: SMD/SMT
• Number Of Channels: 1
• Supply Voltage Range: 4.5V To 5.5V
• Operating Temperature Range: 0°C To +70°C
• Digital Ic Case Style: SOIC
• No. Of Pins: 28
• Power Dissipation Pd: 350mW
• Ic Interface Type: Parallel, Serial
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Number Of Drivers/receivers: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 428-1707-5

Encoded Mode Operation
In the encoded mode, the input data is interpreted as eight bits
of data (D
diagnostic input bit (SVS). If the context of the data is to be
normal message data, the SC/D input should be LOW, and the
data should be encoded using the valid data character set
described in
If the context of the data is to be control or protocol information,
the SC/D input is HIGH, and the data is encoded using the valid
special character set described in
and Sequences (SC/D = HIGH)[1, 2] on page
characters include all protocol characters necessary to encode
packets for Fibre Channel, ESCON, proprietary systems, and
diagnostic purposes.
Document #: 38-02017 Rev. *H
0
–D
Valid Data Characters (SC/D = LOW) on page
7
), a context control bit (SC/D), and a system
ENA
CKR
HOTLink TRANSMITTER
ASYNCHRONOUS FIFO
ASYNCHRONOUS FIFO
CKW
HOTLink RECEIVER
RDY
7C42X/3X/6X/7X
7C42X/3X/6X/7X
Valid Special Character Codes
W
7B923
7B933
RP
R
29. Special
Q
Figure 6. Seamless FIFO Interface
D
0–7
0–7
Q
D
0–8
, SC/D
, SC/D
0–8
9
9
21.
The diagnostic characters and sequences available as special
characters include those for Fibre Channel link testing, as well
as codes to be used for testing system response to link errors
and timing. A Violation symbol can be explicitly sent as part of a
user data packet (i.e., send C0.7; D
1), or it can be sent in response to an external system using the
SVS input. This allows the system diagnostic logic to evaluate
the errors in an unambiguous manner, and does not require any
modification to the transmission interface to force transmission
errors for testing purposes.
ENR
ENN
CKR
CKW
HOTLink TRANSMITTER
HOTLink RECEIVER
CKW
CKR
CLOCKED FIFO
CLOCKED FIFO
RDY
ENW
7C44X/5X
7C44X/5X
7B923
7B933
CY7B923, CY7B933
D
Q
7–0
0–7
0–7
Q
D
0–8
, SC/D
0–8
= 111 00000 and SC/D =
, SC/D
9
9
Page 12 of 40
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