COP840C datasheet(6/35 Pages) NSC

6 / 35 page

AC Electrical Characteristics

−40˚C

≤ T

A ≤ +85˚C unless otherwise specified

Parameter

Conditions

Min

Typ

Max

Units

Instruction Cycle Time (tc)

Crystal/Resonator

4.5V

≤ V

CC ≤ 6.0V

µs

2.5V

≤ V

CC ≤ 4.5V

2.5

µs

R/C Oscillator

4.5V

≤ V

CC ≤ 6.0V

µs

COP840CJ

µs

2.5V

≤ V

CC ≤ 4.5V

7.5

µs

COP840CJ

µs

CC Rise Time when Using Brown

Out

CC = 0Vto6V

µs

Frequency at Brown Out Reset

MHz

CKI Frequency For Modular Output

MHz

CKI Clock Duty Cycle (Note 6)

fr = Max

Rise Time (Note 6)

fr = 10 MHz ext. Clock

Fall Time (Note 6)

fr = 10 MHz ext. Clock

Inputs

Setup

4.5V

≤ V

CC ≤ 6.0V

200

2.5V

≤ V

CC ≤ 4.5V

500

Hold

4.5V

≤ V

CC ≤ 6.0V

2.5V

≤ V

CC ≤ 4.5V

150

Output Propagation Delay

L = 2.2k, CL = 100 pF

PD1,tPD0

SO, SK

4.5V

≤ V

CC ≤ 6.0V

0.7

µs

2.5V

≤ V

CC ≤ 4.5V

1.75

µs

All Others

4.5V

≤ V

CC ≤ 6.0V

µs

2.5V

≤ V

CC ≤ 4.5V

µs

Input Pulse Width

Interrupt Input High Time

Interrupt Input Low Time

Timer Input High Time

Timer Input Low Time

MICROWIRE Setup Time (t

µWS)20

MICROWIRE Hold Time (t

µWH)56

MICROWIRE Output

220

Propagation Delay (t

µPD)

Reset Pulse Width

1.0

µs

Note 6: Parameter characterized but not production tested.

DS011208-2

FIGURE 3. MICROWIRE/PLUS Timing

COP840C Datasheet(PDF) 6 Page - National Semiconductor (TI)

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