
Philips Semiconductors
Product data
P87LPC767
Low power, low price, low pin count (20 pin)
microcontroller with 4-kbyte OTP and 8-bit A/D converter
2002 Mar 25
52
AC ELECTRICAL CHARACTERISTICS
Tamb = 0 °C to +70 °C, –40 °C to +85 °C, or –40 °C to +125 °C; VDD = 2.7 V to 6.0 V unless otherwise specified, VSS = 0 V1, 2, 3
SYMBOL
FIGURE
PARAMETER
LIMITS
UNIT
SYMBOL
FIGURE
PARAMETER
MIN
MAX
UNIT
External Clock
fC
42
Oscillator frequency (VDD = 4.5 V to 6.0 V)
0
20
MHz
fC
42
Oscillator frequency (VDD = 2.7 V to 6.0 V)
0
10
MHz
tC
42
Clock period and CPU timing cycle
1/fC
ns
tCHCX
42
Clock high-time4
20
ns
tCLCX
42
Clock low time4
20
ns
Shift Register
tXLXL
41
Serial port clock cycle time
6tC
ns
tQVXH
41
Output data setup to clock rising edge
5tC – 133
ns
tXHQX
41
Output data hold after clock rising edge
1tC – 80
ns
tXHDV
41
Input data setup to clock rising edge
5tC – 133
ns
tXHDX
41
Input data hold after clock rising edge
0
ns
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.