T4 Introduction
T4 Features
- T4 Available Package Options
T4 Device Core Functional Description
T4 Device Interface Functional Description
T4 Power Up Sequence
- T4 Power Supply Current Transient
- T4 Unused Resources and Features
T4 Configuration
- T4 Supported Configuration Modes
- T4 Mask-Programmable Memory Option
T4 DC and Switching Characteristics
T4 ESD Performance
T4 PLL Timing and AC Characteristics
T4 Internal Oscillator
T4 Configuration Timing
T4 Pinout Description
- T4 Pin States
T4 Efinity Software Support
T4 Interface Floorplan
T4 Ordering Codes
T4 Revision History

T4 Internal Oscillator

The internal oscillator has the following specifications.

Table 1. Internal Oscillator Specifications
Symbol	Parameter	Min	Typ	Max	Units
F_CLKOSC	Oscillator clock frequency.	–	10	–	kHz
D_CHOSC	Duty cycle.	45	50	55	%

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