AM1707 datasheet(38/198 Pages) TI

38 / 198 page

AM1707

SPRS637A – FEBRUARY 2010 – REVISED APRIL 2010

www.ti.com

5.2

Recommended Operating Conditions

MIN

NOM

MAX

UNIT

375 MHz version

1.14

1.2

1.32

Supply voltage, Core

CVDD

(CVDD, RTC_CVDD, PLL0_VDDA )

456 MHz version

1.25

1.3

1.35

RVDD

Supply Voltage, Internal RAM

1.14

1.2

1.32

Supply voltage, I/O, 1.8V

1.71

1.8

1.89

(USB0_VDDA18, USB1_VDDA18)

DVDD

Supply voltage, I/O, 3.3V

3.15

3.3

3.45

(DVDD, USB0_VDDA33, USB1_VDDA33)

Supply ground

VSS

(VSS, PLL0_VSSA, OSCVSS(1), RTC_VSS(1))

High-level input voltage, I/O, 3.3V

VIH

(2)

High-level input voltage, RTC_XI

0.7*RTC_CVDD

High-level input voltage, OSCIN

0.7*CVDD

Low-level input voltage, I/O, 3.3V

0.8

VIL

(2)

Low-level input voltage, RTC_XI

0.3*RTC_CVDD

Low-level input voltage, OSCIN

0.3*CVDD

VHYS

Input Hysteresis

160

USB

USB0_VBUS

4.75

5.25

Transition time, 10%-90%, All Inputs (unless otherwise specified in

0.25P (3)

the electrical data sections)

375 (1.2V)

Commercial (default)

MHz

456 (1.3V)

FSYSCLK6

ARM Operating Frequency (SYSCLK6)

375 (1.2V)

Industrial (D suffix)

MHz

456(1.3V)

Extended (A suffix)

375(1.2V)

MHz

Automotive (T suffix)

300 (1.2V)

MHz

(1)

When an external crystal is used, oscillator (OSC_VSS, RTC_VSS) ground must be kept separate from other grounds and connected

directly to the crystal load capacitor ground. These pins are shorted to VSS on the device itself and should not be connected to VSS on

the circuit board. If a crystal is not used and the clock input is driven directly, then the oscillator VSS may be connected to board ground.

(2)

These I/O specifications do not apply to USB I/Os. USB0 I/Os adhere to USB2.0 specification. USB1 I/Os adhere to USB1.1

specification.

(3)

P = the period of the applied signal. Maintaining transition times as fast as possible is recommended to improve noise immunity on input

signals.

Device Operating Conditions

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