P87LPC764FN datasheet(53/60 Pages) PHILIPS

53 / 60 page

Philips Semiconductors

Product data

P87LPC764

Low power, low price, low pin count (20 pin)

microcontroller with 4 kbyte OTP

2003 Sep 03

AC ELECTRICAL CHARACTERISTICS (FOR P87LPC764HDH)

VDD = 4.5 V to 5.5 V; Tamb = –40°C to +125°C; VSS = 0 V1,2,3

SYMBOL

FIGURE

PARAMETER

LIMITS

UNIT

SYMBOL

FIGURE

PARAMETER

MIN

MAX

UNIT

External Clock

fosc

MHz

Clock period and CPU timing cycle

1/fosc

fosc(tol)

on-chip RC oscillator tolerance

–10

+10

tCHCX

Clock high-time4

fOSC = 16 MHz

tCLCX

Clock low-time4

fOSC = 16 MHz

Shift Register

tXLXL

Serial port clock cycle time

6tC

tQVXH

Output data setup to clock rising edge

5tC – 133

tXHQX

Output data hold after clock rising edge

1tC – 80

tXHDV

Input data setup to clock rising edge

5tC – 133

tXHDX

Input data hold after clock rising edge

NOTES:

1. Parameters are valid over operating temperature range unless otherwise specified.

2. Load capacitance for all outputs = 80 pF.

3. Parts are guaranteed to operate down to 0 Hz.

4. Applies only to an external clock source, not when a crystal is connected to the X1 and X2 pins.

5. For availability of other devices with this specification, please contact Philips sales office.

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