AM386SX datasheet(12/30 Pages) AMD

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Am386SX/SXL/SXLV Microprocessors Data Sheet

FINAL

ABSOLUTE MAXIMUM RATINGS

Storage Temperature ....................... –65

°C to +150°C

Ambient Temperature Under Bias .... –65

°C to +125°C

Stresses above those listed may cause permanent

damage to the device. Functionality at or above these

limits is not implied. Exposure to ABSOLUTE MAXI-

MUM RATING conditions for extended periods may af-

fect device reliability.

OPERATING RANGES

Supply Voltage with respect to Vss..... –0.5 V to +7.0 V

Voltage on Other Pins................ –0.5 V to (Vcc +0.5) V

Operating ranges define those limits between which

the functionality of the device is guaranteed.

DC CHARACTERISTICS over COMMERCIAL operating ranges for 25 MHz Am386SXLV

Vcc=3.0 V to 3.6 V; TCASE=0°C to +100°C

VIH

Input High Voltage

2.0

VCC+0.3

VIL

Input Low Voltage

(Note 1)

–0.3

+0.8

CCLK

CLK2 Capacitance

FC = 1 MHz (Note 4)

COUT

Output Capacitance

FC = 1 MHz (Note 4)

CIN

Input or I/O Capacitance

FC = 1 MHz (Note 4)

ICCSB

Standby Current (Note 8)

ICCSB Typ = 10µA150

µA

VOH

Output High Voltage

IOH = 0.1 mA: A23–A1, D15–D0

(Note 5)

VCC–0.2

IOH = 0.1 mA: BHE, BLE, W/R, D/C, SMIADS,

(Note 6)

VCC–0.2

LOCK, ADS, M/IO, HLDA, SMI

IOH = 0.5 mA: A23–A1, D15–D0

VCC–0.45

IOH = 0.5 mA: BHE, BLE, W/R, D/C, SMIADS,VCC–0.45

LOCK, ADS, M/IO, HLDA, SMI

ILI

Input Leakage Current (All pins except

0 V

≤ V

IN ≤ VCC

PEREQ, BUSY, ERROR, SMI, SMIRDY,

(Note 7)

±10

µA

FLT, IIBEN)

VOL

Output Low Voltage

IOL = 0.5 mA: A23–A1, D15–D0

(Note 5)

0.2

IOL = 0.5 mA: BHE, BLE, W/R, D/C, SMIADS,0.2

M/IO, LOCK, ADS, HLDA, SMI

IOL = 2 mA:

A23–A1, D15–D0

0.45

IOL = 2.5 mA: BHE, BLE, W/R, D/C, SMIADS,0.45

LOCK, ADS, M/IO, HLDA, SMI

Symbol

Parameter Description

Notes

Min

Max

Unit

VILC

CLK2 Input Low Voltage

(Note 1)

–0.3

+0.8

VIHC

CLK2 Input High Voltage

2.4

VCC+0.3

IIH

Input Leakage Current

VIH = VCC–0.1 V

300

µA

(PEREQ pin)

VIH = 2.4 V (Note 2)

200

µA

IIL

Input Leakage Current

VIL = 0.1 V

–300

µA

(BUSY, ERROR, SMI, SMIRDY, FLT, IIBEN)

VIL = 0.45 V (Note 3)

–200

µA

ILO

Output Leakage Current

0.1 V

≤ V

OUT ≤ VCC

+15

µA

ICC

Supply Current (Note 8)

VCC

= 3.3 V

VCC = 3.6 V

CLK2 = 50 MHz: Oper. Freq. 25 MHz

ICC Typ = 95

115

Final

Notes:

The Min value, –0.3, is not 100% tested.

PEREQ input has an internal pull-down resistor.

BUSY, ERROR , FLT, SMI, IIBEN, and SMIRDY inputs each have an internal pull-up resistor.

Not 100% tested.

Outputs are CMOS and will pull rail-to-rail if the load is not resistive.

VOH SMI only valid on SMI output when exiting SMM for two CLK2 periods.

SMI and IIBEN leakage Low will be ILI when pull-up is inactive and IIL when pull-up is active.

Inputs at rails (VCC or VSS).

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