P87C52SBBB NXP Semiconductors, P87C52SBBB Datasheet - Page 28

• Manufacturer Part Number: P87C52SBBB
• Description: MCU 8-Bit 87C 80C51 CISC 8KB EPROM 3.3V/5V 44-Pin PQFP
• Manufacturer: NXP Semiconductors

Specifications of P87C52SBBB

• Package: 44PQFP
• Device Core: 80C51
• Family Name: 87C
• Maximum Speed: 33 MHz
• Ram Size: 256 Byte
• Program Memory Size: 8 KB
• 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

Philips Semiconductors
2000 Aug 07
AC inputs during testing are driven at V
NOTE:
Timing measurements are made at V
80C51 8-bit microcontroller family
4 K/8 K OTP/ROM low voltage (2.7 V–5.5 V),
low power, high speed (33 MHz), 128/256 B RAM
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
IL
4
max for a logic ‘0’.
8
SU00717
Figure 21. I
12
FREQ AT XTAL1 (MHz)
TYP ACTIVE MODE
16
28
CC
20
I
CC
vs. FREQ
MAX = 0.9 X FREQ. + 1.1
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
level occurs. I
28
V
V
LOAD
LOAD
32
SU01413
–0.1V
+0.1V
80C51/87C51/80C52/87C52
OH
Figure 20. Float Waveform
/I
36
OL
20mA.
REFERENCE
TIMING
POINTS
Product specification
V
V
OH
OL
SU00718
+0.1V
–0.1V