10

M68000 USER’S MANUAL ADDENDUM

MOTOROLA

5.0 MC68SEC000 DC ELECTRICAL SPECIFICATIONS

Add the following table to Section 10.13 on page 10-23.

*During normal operation, instantaneous Vcc current requirements may be as high as 1.5A.

Currents listed are with no loading.

**Capacitance is periodically sampled rather than 100% tested.

3.3 V

5.0 V

CHARACTERISTIC

SYMBOL

MIN

MAX

MIN

MAX

UNIT

Input High Voltage

2.0

2.0

V

Input Low Voltage

GND

0.8

GND –

0.5

0.8

V

Input Leakage Current BERR, BR, DTACK, CLK, I PL2-IPL0, AVEC

MODE, HALT, RESET

Iin

—

2.5

20

—

2.5

20

uA

Three-State (Off State) Input Current

—

2.5

—

2.5

uA

Output High Voltage

2.4

—

—

V

Output Low Voltage

(IOL = 1.6 mA) HALT

(IOL = 3.2 mA) A23–A0, BG, FC2–FC0

(IOL = 5.0 mA) RESET

(IOL = 5.3 mA) AS, D15–D0, LDS, R/W, UDS

—

—

—

—

0.5

0.5

0.5

0.5

—

—

—

—

0.5

0.5

0.5

0.5

V

Current Dissipation*

f = 0 Hz

—

0.7

—

1.0

mA

f=10MHz

—

10

—

15

mA

f=16 MHz

—

15

—

25

mA

f= 20 MHz

—

20

—

30

mA

Cin

—

20.0

—

20.0

pF

Load Capacitance

HALT

All Others

CL

—

70

130

—70

130

pF