DS80C400 datasheet(2/97 Pages) DALLAS

2 / 97 page

DS80C400 Network Microcontroller

2 of 97

ABSOLUTE MAXIMUM RATINGS

Voltage Range on Any Input Pin Relative to Ground……………....………………………………………..-0.5V to +5.5V

Voltage Range on Any Output Pin Relative to Ground……....……………………………………..-0.5V to (VCC3 + 0.5)V

Voltage Range on VCC3 Relative to Ground…………………………………………………………………..-0.5V to +3.6V

Voltage Range on VCC1 Relative to Ground…………………………………………………………………..-0.3V to +2.0V

Operating Temperature Range………………………………………………………………………………..-40°C to +85°C

Junction Temperature……………………………………………………………………………………………..+150°C max

Storage Temperature Range………………………………………………………………………………...-55°C to +160°C

Soldering Temperature………………………………………………………….See IPC/JEDEC J-STD-020 Specification

Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only,

and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is

not implied. Exposure to absolute maximum rating conditions for extended periods can affect device reliability.

DC ELECTRICAL CHARACTERISTICS (Note 1)

(VCC3 = 3.0V to 3.6V, VCC1 = 1.8V ±10%, TA = -40°C to +85°C.)

PARAMETER

SYMBOL

MIN

TYP

MAX

UNITS

Supply Voltage (VCC3) (Note 2)

VCC3

3.0

3.3

3.6

Power-Fail Warning (VCC3) (Note 3)

VPFW3

2.85

3.00

3.15

Power-Fail Reset Voltage (VCC3) (Note 3)

VRST3

2.76

2.90

3.05

Active Mode Current (VCC3) (Note 4)

ICC3

Idle Mode Current (VCC3) (Note 4)

IIDLE3

Stop Mode Current (VCC3) (Not 4)

ISTOP3

Stop Mode Current, Bandgap Enabled (VCC3) (Note 4)

ISPBG3

100

150

Supply Voltage (VCC1) (Note 2)

VCC1

1.62

1.8

1.98

Power-Fail Warning (VCC1) (Note 5)

VPFW1

1.52

1.60

1.68

Power-Fail Reset Voltage (VCC1) (Note 5)

VRST1

1.47

1.55

1.63

Active Mode Current (VCC1) (Note 4)

ICC1

Idle Mode Current (VCC1) (Note 4)

IIDLE1

Stop Mode Current (VCC1) (Note 4)

ISTOP1

0.2

Stop Mode Current, Bandgap Enabled (VCC1) (Note 4)

ISPBG1

0.2

Input Low Level

VIL1

0.8

Input Low Level for XTAL1, RST, OW

VIL2

1.0

Input High Level

VIH1

2.0

Input High Level for XTAL1, RST, OW

VIH2

2.4

Output Low Current for Port 1, 3–7 at VOL = 0.4V

IOL1

Output Low Current for Port 0, 2, TX_EN, TXD[3:0], MDC, MDIO,

RSTOL, ALE, PSEN, and Ports 3–7 (when used as any of the following:

A21–A0,

WR, RD, CE0-7, PCE0-3) at VOL = 0.4V (Note 6)

IOL2

Output Low Current for OW,

OWSTP at VOL= 0.4V

IOL3

Output High Current for Port 1, 3–7 at VOH = VCC3 - 0.4V (Note 7)

IOH1

-75

-50

Output High Current for Port 1, 3–7 at VOH= VCC3 - 0.4V (Note 8)

IOH2

-8

-4

Output High Current for Port 0, 2, TX_EN, TXD[3:0], MDC, MDIO,

RSTOL, ALE, PSEN, and Ports 3–7 (when used as any of the following:

A21–A0,

WR, RD, CE0-7, PCE0-3) at VOH = VCC3 - 0.4V (Notes 6, 9)

IOH3

-16

-8

Input Low Current for Port 1–7 at 0.4V (Note 10)

IIL

-50

-20

-10

Logic 1-to-0 Transition Current for Port 1, 3–7 (Note 11)

ITL

-650

-400

Input Leakage Current, Port 0 Bus Mode, VIL = 0.8V (Note 12)

ITH0

200

Input Leakage Current, Port 0 Bus Mode, VIH = 2.0V (Note 12)

ITL0

-200

-50

-20

Input Leakage Current, Input Mode (Note 13)

-15

RST Pulldown Resistance

RRST

100

200

Note 1: Specifications to -40°C are guaranteed by design and not production tested.

Note 2: The user should note that this part is tested and guaranteed to operate down to VCC3 = 3.0V and VCC1 = 1.62V, while the reset

thresholds for those supplies, VRST3 and VRST1 respectively, may be above or below those points. When the reset threshold for a given

supply is greater than the guaranteed minimum operating voltage, that reset threshold should be considered the minimum operating

point since execution ceases once the part enters the reset state. When the reset threshold for a given supply is lower than the

guaranteed minimum operating voltage, there exists a range of voltages for either supply, (VRST3 < VCC3 < 1.62V) or (VRST1 < VCC1 <

3.0V), where the processor’s operation is not guaranteed, and the reset trip point has not been reached. This should not be an issue in

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