P87LPC764BD NXP Semiconductors, P87LPC764BD Datasheet - Page 54

• Manufacturer Part Number: P87LPC764BD
• Description: MCU 8-Bit 87LP 80C51 CISC 4KB EPROM 5V 20-Pin SO Tube
• Manufacturer: NXP Semiconductors

Specifications of P87LPC764BD

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

Philips Semiconductors
2003 Sep 03
Low power, low price, low pin count (20 pin)
microcontroller with 4 kbyte OTP
WRITE TO SBUF
100
OUTPUT DATA
10
Figure 40. Typical Idd versus frequency (low frequency
1
10
INPUT DATA
CLEAR RI
CLOCK
V
DD
0.45V
– 0.5
t
QVXH
t
XHDV
oscillator, 25 C)
t
Frequency (kHz)
XHQX
0
VALID
t
XLXL
0.2 V
0.2V
DD
– 0.1
DD
t
XHDX
1
+ 0.9
VALID
t
CHCL
Figure 38. Shift Register Mode Timing
Figure 39. External Clock Timing
SU01202
100
6.0 V
5.0 V
4.0 V
3.3 V
2.7 V
2
VALID
53
t
CLCX
VALID
3
Figure 41. Typical Idd versus frequency (medium frequency
1000
100
10
100
t
C
VALID
4
t
CLCH
t
CHCX
oscillator, 25 C)
VALID
5
Frequency (kHz)
1,000
VALID
6
P87LPC764
SU01188
VALID
6.0 V
6.0 V
5.0 V
5.0 V
4.0 V
3.3 V
2.7 V
2.7 V
7
SET TI
SET RI
Product data
SU01187
SU01203
10,000