AM186 datasheet(60/112 Pages) AMD

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Am186TMER and Am188TMER Microcontrollers Data Sheet

DRAF

ABSOLUTE MAXIMUM RATINGS

Temperature under bias:

Commercial (TC) ........................0°C to + 100°C

Storage temperature ..................–65

°C to + 125°C

Voltage on any pin with

respect to ground.......................... –0.5 V to VCC + 2.6 V

Notes:

Stresses above those listed under Absolute Maximum Rat-

ings may cause permanent device failure. Functionality at or

above these limits is not implied. Exposure to absolute maxi-

mum ratings for extended periods may affect device reliability.

*X1 and X2 are not 5-V-tolerant and have a range of –0.5 V to

VCC.

OPERATING RANGES

TC (Commercial) ............................ 0°C to +100°C

Industrial* (TA) ..............................–40°C to + 85°C

VCC up to 50 MHz ............................. 3.3 V ± 0.3 V

Where:

TC = case temperature

TA = ambient temperature

Notes:

Operating Ranges define those limits between which the

functionality of the device is guaranteed.

*Industrial versions of Am186ER and Am188ER microcon-

trollers are available in 25- and 33-MHz operating frequen-

cies only.

DC CHARACTERISTICS OVER COMMERCIAL AND INDUSTRIAL OPERATING RANGES

Notes:

1. This parameter is for inputs without pullup or pulldown resistors and for which 0

≤ V

IN ≤ VCC.

2. This parameter is for inputs without pullup or pulldown resistors and for which 0

≤ V

IN ≤ 5 V.

3. This parameter is for inputs with pulldown resistors and for which VIH = 2.4 V.

4. This parameter is for inputs with pullup resistors and for which VIL = 0.45 V.

5. This parameter is for three-state outputs where VEXT is driven on the three-state output and 0 ≤ VEXT ≤ VCC.

6. This parameter is for three-state outputs where VEXT is driven on the three-state output and 0 ≤ VEXT ≤ 5 V.

7. This parameter has not been fully tested.

8. Current is measured with the device in RESET with X1 and X2 driven and all other non-power pins open

but held High or Low.

Preliminary

Symbol Parameter Description

Notes

Min

Max

Unit

VIL

Input Low Voltage

–0.3

0.8

VIH

Input High Voltage

2.0

VCC + 2.6

VIH

Clock Input High Voltage (X2, X1)

VCC

VOL

Output Low Voltage

IOL = 4.0 mA

0.45

VOH

Output High Voltage

IOH = –1.0 mA

2.4

ICC

Power Supply Current

Note 8

5.0

mA/

MHz

ILI

Input Leakage Current

Note 1

Note 2

±15

±50

µA

IIH

Input Leakage Current

Note 3

200

µA

IIL

Input Leakage Current

Note 4

–400

µA

ILO

Output Leakage Current

Note 5

Note 6

±15

±50

µA

CIN

Input Capacitance

FC=1 MHz (Note 7)

COUT

I/O Capacitance

FC=1 MHz (Note 7)

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