AM3874 datasheet(170/361 Pages) TI

170 / 361 page

AM3874, AM3871

SPRS695C – SEPTEMBER 2011 – REVISED DECEMBER 2013

www.ti.com

6.4

Electrical Characteristics Over Recommended Ranges of Supply Voltage and

Operating Temperature (Unless Otherwise Noted)

PARAMETER

TEST CONDITIONS(1)

MIN

TYP

MAX

UNIT

Low/Full speed: USB_DM

2.8

VDD_USB_3P

and USB_DP

High speed: USB_DM and

360

440

USB_DP

VOH

High-level output voltage,

3.3 V, DVDDx = MIN, IOH =

2.4

LVCMOS(2) (3.3-V I/O)

MAX

High-level output voltage,

1.8 V, DVDDx = MIN, IOH =

1.26

LVCMOS(2) (1.8-V I/O)

MAX

Low/Full speed: USB_DM

0.0

0.3

and USB_DP

High speed: USB_DM and

-10

USB_DP

Low-level output voltage,

3.3 V, DVDDx = MAX, IOL =

0.4

VOL

LVCMOS(2) (3.3-V I/O)

MAX

Low-level output voltage,

1.8 V, DVDDx = MAX, IOL =

0.4

LVCMOS(2) (1.8-V I/O)

MAX

Low-level output voltage,

1.8/3.3 V, IOL = 4mA

0.4

I2C (I2C[0], I2C[1])

LDOs (applies to all

1.5

LDOCAP_x pins)

Input current, LVCMOS(2),

0 < VI < DVDDx, 3.3 V pull

-20

µA

3.3 V mode

disabled

0 < VI < DVDDx, 3.3 V

100

300

µA

pulldown enabled(4)

0 < VI < DVDDx, 3.3 V

-20

-100

-300

µA

pullup enabled(4)

Input current, LVCMOS(2),

0 < VI < DVDDx, 1.8 V pull

-5

µA

(3)

1.8 V mode

disabled

0 < VI < DVDDx, 1.8 V

100

200

µA

pulldown enabled(4)

0 < VI < DVDDx, 1.8 V

-50

-100

-200

µA

pullup enabled(4)

Input current, I2C (I2C[0],

3.3 V mode

-20

µA

I2C[1])

1.8 V mode

-5

µA

3.3 V mode, pull enabled

-300

300

µA

3.3 V mode, pull disabled

-20

µA

IOZ

(5)

I/O Off-state output current

1.8 V mode, pull enabled

-200

200

µA

1.8 V mode, pull disabled

-5

µA

ICDD

Core (CVDD) supply current (scalable)

see note (6)

ARM Core Current

see note (6)

ICVDD_ARM

(Scalable)

(1)

For test conditions shown as MIN, MAX, or TYP, use the appropriate value specified in the recommended operating conditions table.

(2)

LVCMOS pins are all I/O pins powered by DVDD, DVDD_GPMC, DVDD_GPMCB, DVDD_SD, DVDD_C supplies except for I2C[0] and

I2C[1] pins.

(3)

II applies to input-only pins and bi-directional pins. For input-only pins, II indicates the input leakage current. For bi-directional pins, II

indicates the input leakage current and off-state (Hi-Z) output leakage current.

(4)

Applies only to pins with an internal pullup (IPU) or pulldown (IPD) resistor.

(5)

IOZ applies to output-only pins, indicating off-state (Hi-Z) output leakage current.

(6)

The actual current draw varies across manufacturing processes and is highly application-dependent. For more details on core and I/O

activity, as well as information relevant to board power supply design, see the TMS320DM814x/AM387x Power Estimation Spreadsheet

Application Report (Literature Number: SPRABO3). To determine the worst-case power consumption values, use the

TMS320DM814x/AM387x Power Estimation Spreadsheet Application Report.

170

Device Operating Conditions

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