AM386SX datasheet(13/30 Pages) AMD

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FINAL

Am386SX/SXL/SXLV Microprocessors Data Sheet

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 and INDUSTRIAL operating ranges

25 and 33 MHz: Vcc = 5 V ± 10%; TCASE = 0°C to +100°C (commercial); TCASE = –40°C to +100°C (industrial)

40 MHz: Vcc = 5 V ± 5%; TCASE = 0°C to +100°C

ICC

Supply Current (Note 8)

VCC Typ = 5.0 V

VCC = 5.5

CLK2 = 50 MHz: Oper. Freq. 25 MHz

ICC Typ = 160

190

CLK2 = 66 MHz: Oper. Freq. 33 MHz

ICC Typ = 210

245

CLK2 = 80 MHz: Oper. Freq. 40 MHz

ICC Typ = 255

295

CIN

Input or I/O Capacitance

FC = 1 MHz (Note 4)

CCLK

CLK2 Capacitance

FC = 1 MHz (Note 4)

COUT

Output or I/O Capacitance

FC = 1 MHz (Note 4)

ILI

Input Leakage Current (All pins except

0 V

≤ V

IN ≤ VCC

PEREQ, BUSY, ERROR, SMI*, SMIRDY*,

(Note 7)

±15

µA

FLT, and IIBEN*)

VOL

Output Low Voltage

IOL = 4 mA:

A23

–A1, D15–D0

(Note 5)

0.45

IOL = 5 mA:

BHE, BLE,W/R, D/C, SMIADS*,

0.45

M/IO, LOCK, ADS, HLDA, SMI*

VIL

Input Low Voltage

(Note 1)

–0.3

+0.8

Symbol

Parameter Description

Notes

Min

Max

Unit

VIH

Input High Voltage

2.0

VCC+0.3

VILC

CLK2 Input Low Voltage

(Note 1)

–0.3

+0.8

VIHC

CLK2 Input High Voltage

2.7

VCC+0.3

IIH

Input Leakage Current (PEREQ pin)

VIH = 2.4 V (Note 2)

200

µA

IIL

Input Leakage Current

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

VIL = 0.45 V (Note 3)

–400

µA

ILO

Output Leakage Current: Am386SX/SXL

0.1 V

≤ V

OUT ≤ VCC

±15

µA

Am386SXLV

0.45 V

≤ V

OUT ≤ VCC

±15

µA

ICCSB

Standby Current (Note 8)

ICCSB Typ = 20 µA

150

µA

Notes:

On Am386SXLV only

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 (on Am386SXLV only).

SMI and IIBEN leakage Low will be ILI when pull-up is inactive and IIL when pull-up is active (on Am386SXLV only).

Inputs at rails (VCC or VSS), outputs unloaded, PEREQ Low, ERROR High, BUSY High, and FLT High.

Final

VOH

Output High Voltage

IOH = 1.0 mA: A23–A1, D15–D0

(Note 5)

2.4

IOH = 0.2 mA: A23–A1, D15–D0

VCC –0.5

IOH = 0.9 mA: BHE, BLE, W/R, D/C, SMIADS*,

(Note 6*)

2.4

LOCK, ADS, M/IO, HLDA, SMI*

IOH = 0.18 mA: BHE, BLE, W/R, D/C, SMIADS*,

VCC –0.5

LOCK, ADS, M/IO, HLDA, SMI*

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