P87LPC767BN NXP Semiconductors, P87LPC767BN Datasheet - Page 55

• Manufacturer Part Number: P87LPC767BN
• Description: MCU 8-Bit 87LP 80C51 CISC 4KB EPROM 3.3V/5V 20-Pin PDIP Tube
• Manufacturer: NXP Semiconductors

Specifications of P87LPC767BN

• Package: 20PDIP
• Device Core: 80C51
• Family Name: 87LP
• Maximum Speed: 20 MHz
• Ram Size: 128 Byte
• Program Memory Size: 4 KB
• Operating Supply Voltage: 3.3|5 V
• Data Bus Width: 8 Bit
• Program Memory Type: EPROM
• Number Of Programmable I/os: 18
• Interface Type: I2C/UART
• On-chip Adc: 4-chx8-bit
• Operating Temperature: 0 to 70 °C
• Number Of Timers: 2

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.
Philips Semiconductors
AC ELECTRICAL CHARACTERISTICS
T
NOTES:
2002 Mar 25
amb
External Clock
Shift Register
SYMBOL
SYMBOL
Low power, low price, low pin count (20 pin)
microcontroller with 4-kbyte OTP and 8-bit A/D converter
t
t
t
t
t
t
t
CHCX
QVXH
XHQX
XHDV
XHDX
CLCX
XLXL
= 0 C to +70 C, –40 C to +85 C, or –40 C to +125 C; V
f
f
t
C
C
C
FIGURE
FIGURE
42
42
42
42
42
41
41
41
41
41
Oscillator frequency (V
Oscillator frequency (V
Clock period and CPU timing cycle
Clock high-time
Clock low time
Serial port clock cycle time
Output data setup to clock rising edge
Output data hold after clock rising edge
Input data setup to clock rising edge
Input data hold after clock rising edge
4
4
DD
DD
= 4.5 V to 6.0 V)
= 2.7 V to 6.0 V)
PARAMETER
PARAMETER
DD
= 2.7 V to 6.0 V unless otherwise specified, V
52
5t
1t
C
C
MIN
1/f
6t
20
20
– 133
0
0
0
– 80
C
C
LIMITS
SS
= 0 V
P87LPC767
5t
C
1, 2, 3
MAX
20
10
– 133
Product data
UNIT
UNIT
MHz
MHz
ns
ns
ns
ns
ns
ns
ns
ns