Cypress Semiconductor CY2291 Manual de usuario descargar pdf (Pagina 6)

CY2291

Document #: 38-07189 Rev. *A Page 6 of 14

Electrical Characteristics, Industrial 3.3V

Parameter Description Conditions Min. Typ. Max. Unit

HIGH-Level Output Voltage I

= 4.0 mA 2.4 V

LOW-Level Output Voltage I

= 4.0 mA 0.4 V

OH–32

32.768-kHz HIGH-Level

Output Voltage

= 0.5 mA V

BATT

0.5

OL–32

32.768-kHz LOW-Level

Output Voltage

= 0.5 mA 0.4 V

HIGH-Level Input Voltage

[9]

Except crystal pins 2.0 V

LOW-Level Input Voltage

[9]

Except crystal pins 0.8 V

Input HIGH Current V

= V

–0.5V < 1 10 µA

Input LOW Current V

= +0.5V < 1 10 µA

Output Leakage Current Three-state outputs 250 µA

Supply Current

[10]

Industrial

= V

max., 3.3V operation 50 70 mA

DDS

Power Supply Current in

Shutdown Mode

[10]

Shutdown active,

excluding V

BATT

CY2291I/CY2291FI 10 100 µA

BATT

Power Supply Current V

BATT

= 3.0V 5 15 µA

[+] Feedback

1 2 3 4 5 6 7 8 9 10 11 12 13 14

Three-PLL General Purpose 1
Pin Configurations 2
Pin Summary 2
Operation 3
Output Configuration 3
Power Saving Features 3
CyClocks™ Software 3
Cypress FTG Programmer 3
Maximum Ratings 4
Operating Conditions 4
Switching Waveforms 10
(continued) 11
Output Three-State Timing 11
CLK Outputs Jitter and Skew 11
CPU Frequency Change 11
Ordering Information 12
Package Characteristics 12
Package Diagram 13
[+] Feedback 14

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Cypress Semiconductor CY2291 Manual de usuario Pagina 6

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