2.4

DC Parameters: All I/O Interfaces

Table 2-5. DC Parameters on All I/O Interfaces

Parameter

Sym.

Min. Typ. Max. Units

Conditions

Ambient Operating

Temperature

TA

-40

—

+85

°C

Standard Industrial Temperature Range

-40

—

+100

°C

Extended Industrial Temperature Range

Power Supply Voltage

VCC

2.0

—

5.5

V

—

Active Power Supply

Current

ICC

—

2

3

mA

Waiting for I/O during I/O transfers or execution of non-ECC

commands. Independent of Clock Divider value.

—

—

14

mA

During ECC command execution. Clock divider = 0x0

—

—

6

mA

During ECC command execution. Clock divider = 0x5

—

—

3

mA

During ECC command execution. Clock divider = 0xD

Idle Power Supply

Current

IIDLE

—

800

—

µA

When device is in Idle mode,

VSDA and VSCL < 0.4V or > VCC – 0.4

Sleep Current

ISLEEP —

30

150

nA

When device is in Sleep mode, VCC ≤ 3.6V,

VSDA and VSCL < 0.4V or > VCC – 0.4, TA ≤ +55°C

—

—

2

µA

When device is in Sleep mode.

Over full VCC and temperature range.

Output Low Voltage

VOL

—

—

0.4

V

When device is in Active mode,

VCC = 2.5 to 5.5V

Output Low Current

IOL

—

—

4

mA

When device is in Active mode,

VCC = 2.5 to 5.5V, VOL = 0.4V

Theta JA

ƟJA

—

166

—

°C/W SOIC (SSH)

—

173

—

°C/W UDFN (MAH)

—

146

—

°C/W RBH

2.4.1

VIH and VIL Specifications

The input levels of the device will vary dependent on the mode and voltage of the device. The input voltage

thresholds when in Sleep or Idle mode are dependent on the VCC level as shown in Figure 2-4. When in Sleep or Idle

mode the TTLenable bit has no effect.

Table 2-6. VIL, VIH on All I/O Interfaces (TTLenable = 0)

Parameter

Sym.

Min.

Typ.

Max.

Units

Conditions

Input Low Voltage

VIL

-0.5

—

0.5

V

When device is active and TTLenable bit in Configuration

memory is zero; otherwise, see above.

Input High Voltage

VIH

1.5

—

VCC + 0.5

V

When device is active and TTLenable bit in Configuration

memory is zero; otherwise, see above.

ATECC608B

Electrical Characteristics

© 2020 Microchip Technology Inc.

Summary Datasheet

DS40002239A-page 10