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CY22393

Three-PLL Serial-Programmable Flash-Programmable Clock Generator

Cypress Semiconductor 

Serial Programming Interface Timing

Figure 4. Start and Stop Frame

START

Transition

to next Bit

STOP

CY22393

CY22394

CY22395

SDAT

SCLK

Figure 5. Frame Format (Device Address, R/W, Register Address, Register Data)

SDAT

+

+

+

START DA6 DA5 DA0 R/W ACK

RA7 RA6 RA1 RA0 ACK D7 D6 D1 D0

ACK

SCLK

+

+

+

STOP

Serial Programming Interface Timing Specifications

Parameter

Description

Min

Max

Unit

fSCLK

Frequency of SCLK

–

Start mode time from SDA LOW to SCL LOW

0.6

400

kHz

–

μs

CLKLOW

CLKHIGH

tSU

tDH

SCLK LOW period

SCLK HIGH period

Data transition to SCLK HIGH

Data hold (SCLK LOW to data transition)

Rise time of SCLK and SDAT

1.3

–

μs

0.6

–

μs

100

–

ns

0

–

ns

–

300

ns

Fall time of SCLK and SDAT

–

300

ns

Stop mode time from SCLK HIGH to SDAT HIGH

0.6

–

μs

Stop mode to Start mode

1.3

–

μs

Absolute Maximum Conditions

Supply Voltage ............................................... –0.5V to +7.0V

DC Input Voltage............................ –0.5V to + (AVDD + 0.5V)

Storage Temperature .................................. –65°C to +125°C

Junction Temperature .................................................. 125°C

Data Retention @ Tj=125×C................................. > 10 years

Maximum Programming Cycles ....................................... 100

Package Power Dissipation ......................................350 mW

Static Discharge Voltage

(per MIL-STD-883, Method 3015) ........................... > 2000V

Latch up (per JEDEC 17) .................................... > ±200 mA

Stresses exceeding Absolute Maximum Conditions may

cause permanent damage to the device. These conditions are

stress ratings only. Functional operation of the device at these

or any other conditions beyond those indicated in the

operation sections of this data sheet is not implied. Extended

exposure to Absolute Maximum Conditions may affect

reliability.

Document #: 38-07186 Rev. *C

Page 11 of 17

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