3.1.5.1 External XTAL POSC 40 MHz AC Electrical Specifications

Table 3-8. External XTAL POSC 40 MHz AC Electrical Specifications
AC Characteristics			Standard Operating Conditions: V_DD = V_DDIO = 3.0V to 3.6V (unless otherwise stated) Operating Temperature: -40°C ≤ T_A ≤ +85°C for Industrial -40°C ≤ T_A ≤ +105°C for V-temp
Param. No.	Symbol⁽²⁾	Characteristics	Min.	Typ	Max.	Units	Conditions⁽¹⁾
XOSC_1	FOSC_XOSC	XOSC crystal frequency	—	40	—	MHz	XIN, XOUT primary oscillator
XOSC_1A	TOSC	TOSC = 1/FOSC_XOSC	—	—	—	ns	See parameter XOSC_1 for FOSC_XOSC value
XOSC_34	g_m	XOSC transconductance GAIN = 0	—	16	—	mA/V	XOSC auto gain control disabled
XOSC_39	XCLK_FST	Primary XIN clock fail safe time-out period	—	2	—	ms	—
Note: Crystal oscillator requirements: ESR = 50Ω Maximum drive level = 200 µW This parameter is characterized but not tested in manufacturing.