CY7C924ADX-AC Cypress Semiconductor Corp, CY7C924ADX-AC Datasheet - Page 30

• Manufacturer Part Number: CY7C924ADX-AC
• Manufacturer: Cypress Semiconductor Corp

Specifications of CY7C924ADX-AC

• Number Of Transceivers: 1
• Data Rate: 622Mbps
• Operating Supply Voltage (typ): 5V
• Supply Current (max): 250mA
• Screening Level: Commercial
• Pin Count: 100
• Mounting: Surface Mount
• Package Type: TQFP
• Operating Supply Voltage (min): 4.5V
• Operating Supply Voltage (max): 5.5V
• Operating Temperature (min): 0C
• Operating Temperature (max): 70C
• Lead Free Status / RoHS Status: Not Compliant

Document #: 38-02008 Rev. *E
CY7C924ADX REFCLK Input Switching Characteristics
CY7C924ADX HOTLink Transmitter Switching Waveforms
Notes
f
f
t
t
t
t
TXDATA[11:0]
20. When configured for synchronous operation with the FIFOs bypassed (FIFOBYP* is LOW), if RANGESEL is HIGH the SPDSEL input is ignored and operation
21. REFCLK has no phase or frequency relationship with RXCLK and only acts as a centering reference to reduce clock synchronization time. REFCLK must be
22. When transferring data to the Transmit FIFO from a depth expanded external FIFO (EXTFIFO = H), the data is captured from the external FIFO one clock cycle
Parameter
REF
REF
REFCLK
REFH
REFL
REFRX
Asynchronous (FIFO) Interface
Cascade Timing
Write Cycle
is forced to the 100–200 MBaud range.
within ±0.04% of the transmitter PLL reference (REFCLK) frequency.
following the actual enable.
TXEMPTY
TXSC/D*
TXHALF*
TXFULL
TXCLK
TXEN
,
REFCLK Clock Frequency—50 to 100 MBaud, 10-bit
mode, encoder bypass, REFCLK = 2x character rate
REFCLK Clock Frequency—50 to 100 MBaud,
8-bit mode, REFCLK = 2x character rate
REFCLK Clock Frequency—50 to 100 MBaud, 10-bit
mode, encoder bypass, REFCLK = 4x character rate
REFCLK Clock Frequency—50 to 100 MBaud,
8-bit mode, REFCLK = 4x character rate
REFCLK Clock Frequency—100 to 200 MBaud, 10-bit
mode, encoder bypass, REFCLK = character rate
REFCLK Clock Frequency—100 to 200 MBaud, 8-bit
mode, REFCLK = character rate
REFCLK Clock Frequency—100 to 200 MBaud, 10-bit
mode, encoder bypass, REFCLK = 2x character rate
REFCLK Clock Frequency—100 to 200 MBaud, 8-bit
mode, REFCLK = 2x character rate
REFCLK Period
REFCLK HIGH Time
REFCLK LOW Time
REFCLK Frequency Referenced to Received Clock Period
Description
t
TXCPWH
t
TXA
t
TXCLK
t
TXCPWL
t
TXENS
SPDSEL RANGESEL BYTE8/10*
[21]
0
0
0
0
1
1
1
1
Over the Operating Range
t
TXENH
Conditions
1
1
[20]
[20]
t
0
0
0
0
1
1
TXA
0
1
0
1
0
1
0
1
t
TXDS
CY7C924ADX
16.67 33.33 MHz
16.67
–0.04 +0.04
8.33
8.33
Note 22
Min
6.5
6.5
10
20
10
20
25
Page 30 of 58
16.67 MHz
16.67 MHz
Max
33.3
120
20
40
20
40
t
TXDH
MHz
MHz
MHz
MHz
MHz
Unit
ns
ns
ns
%
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