P87C51FA-4N NXP Semiconductors, P87C51FA-4N Datasheet - Page 27

• Manufacturer Part Number: P87C51FA-4N
• Description: IC, 8BIT MCU, 80C51, 16MHZ, DIP-40
• Manufacturer: NXP Semiconductors

Specifications of P87C51FA-4N

• Controller Family/series: 80C51
• No. Of I/o's: 32
• Ram Memory Size: 256Byte
• Cpu Speed: 16MHz
• No. Of Timers: 4
• No. Of Pwm Channels: 5
• Core Size: 8 Bit
• Program Memory Size: 8KB
• Package: 40PDIP
• Device Core: 80C51
• Family Name: 87C
• Maximum Speed: 16 MHz
• Ram Size: 256 Byte
• Operating Supply Voltage: 3.3|5 V
• Data Bus Width: 8 Bit
• Program Memory Type: EPROM
• Number Of Programmable I/os: 32
• Interface Type: UART
• Operating Temperature: 0 to 70 °C
• Number Of Timers: 3
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Philips Semiconductors
2000 Jan 20
NOTE:
AC inputs during testing are driven at V
Timing measurements are made at V
80C51 8-bit microcontroller family
4K/128 OTP/ROM/ROMless, low voltage (2.7V–5.5V),
low power, high speed (33 MHz)
V
CC
0.45V
–0.5
Figure 19. AC Testing Input/Output
0.2V
0.2V
IH
CC
CC
CC
min for a logic ‘1’ and V
+0.9
–0.1
–0.5 for a logic ‘1’ and 0.45V for a logic ‘0’.
Valid only within frequency specifications of the device under test
35
30
25
20
15
10
5
I
CCMAX
I
CCMAX
IL
4
(8XC51RD+)
max for a logic ‘0’.
= 0.9 X FREQ + 2.1
ACTIVE MODE
8
Back
SU00717
Figure 21. I
12
FREQ AT XTAL1 (MHz)
TYP ACTIVE MODE
16
27
CC
20
vs. FREQ
Next
MAX IDLE MODE
NOTE:
For timing purposes, a port is no longer floating when a 100mV change from
load voltage occurs, and begins to float when a 100mV change from the loaded
V
V
OH
LOAD
24
TYP IDLE MODE
/V
OL
MAX ACTIVE
MODE (EXCEPT
8XC51RD+)
I
FREQ. + 1.1
CC
level occurs. I
28
V
V
MAX = 0.9 X
LOAD
LOAD
32
SU00837A
–0.1V
+0.1V
OH
Figure 20. Float Waveform
/I
36
OL
20mA.
80C51/87C51/80C31
REFERENCE
TIMING
POINTS
Product specification
V
V
OH
OL
SU00718
+0.1V
–0.1V