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Capacitance, Pll characteristics – Cypress HOTLink II CYV15G0104TRB User Manual

Page 21

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CYV15G0104TRB

Document #: 38-02100 Rev. *B

Page 21 of 27

CYV15G0104TRB Receive PLL Characteristics Over the Operating Range

t

RXLOCK

Receive PLL lock to input data stream (cold start)

376k

UI

Receive PLL lock to input data stream

376k

UI

t

RXUNLOCK

Receive PLL Unlock Rate

46

UI

Capacitance

[16]

Parameter

Description

Test Conditions

Max.

Unit

C

INTTL

TTL Input Capacitance

T

A

= 25°C, f

0

= 1 MHz, V

CC

= 3.3V

7

pF

C

INPECL

PECL input Capacitance

T

A

= 25°C, f

0

= 1 MHz, V

CC

= 3.3V

4

pF

PLL Characteristics

Parameter

Description

Condition

Min.

Typ.

Max.

Unit

CYV15G0104TRB HOTLink II Transmitter Switching Waveforms

Note:

27. When REFCLKB± is configured for half-rate operation (TXRATEB = 1) and data is captured using REFCLKB instead of a TXCLKB clock. Data is captured using

both the rising and falling edges of REFCLKB.

TXCLKB

TXDB[9:0]

t

TXDH

t

TXDS

t

TXCLK

t

TXCLKH

t

TXCLKL

Transmit Interface
Write Timing
TXCLKB selected

REFCLKB

Transmit Interface

t

REFCLK

t

REFH

t

REFL

t

TREFDS

t

TREFDH

Write Timing

TXRATEB = 0

TXDB[

9

:0]

REFCLKB selected

t

TREFDH

Transmit Interface
Write Timing

TXRATEB = 1

REFCLKB

t

REFCLK

t

REFL

t

REFH

Note 27

t

TREFDS

t

TREFDS

t

TREFDH

REFCLKB selected

TXDB[

9

:0]

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