N87C51RB24 Intel, N87C51RB24 Datasheet - Page 15

• Manufacturer Part Number: N87C51RB24
• Description: IC MCU 8BIT 16K 24MHZ OTP 44PLCC
• Manufacturer: Intel
• Series: 87Cr

Specifications of N87C51RB24

• Rohs Status: RoHS non-compliant
• Core Processor: MCS 51
• Core Size: 8-Bit
• Speed: 24MHz
• Connectivity: SIO
• Peripherals: WDT
• Number Of I /o: 32
• Program Memory Size: 16KB (16K x 8)
• Program Memory Type: OTP
• Ram Size: 512 x 8
• Voltage - Supply (vcc/vdd): 4.5 V ~ 5.5 V
• Oscillator Type: External
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 44-PLCC
• Eeprom Size: -
• Data Converters: -
• Other names: 807306

EXTERNAL CLOCK DRIVE
EXTERNAL CLOCK DRIVE WAVEFORM
AC TESTING INPUT OUTPUT WAVEFORMS
AC Inputs during testing are driven at V
and 0 45V for a Logic ‘‘0’’ Timing measurements are made at V
min for a Logic ‘‘1’’ and V
1 TCLCL
TCHCX
TCLCX
TCLCH
TCHCL
Symbol
IL
max for a Logic ‘‘0’’
Oscillator Frequency
8XC51RX
8XC51RX-1
8XC51RX-20
8XC51RX-24
High Time
Low Time
Rise Time
Fall Time20
8XC51RX
8XC51RX-24
8XC51RX
8XC51RX-24
Parameter
CC
b
0 5V for a Logic ‘‘1’’
272659– 17
IH
0 35 T
0 35 T
FLOAT WAVEFORMS
For timing purposes a port pin is no longer floating when a
100 mV change from load voltage occurs and begins to float
when a 100 mV change from the loaded V
I
OL
Min
3 5
3 5
3 5
3 5
I
OH
OSC
OSC
e
g
20 mA
0 65 T
0 65 T
Max
12
16
20
24
20
10
20
10
OSC
OSC
272659 –16
8XC51RA RB RC
OH
V
OL
272659 –18
level occurs
Units
MHz
ns
ns
ns
ns
ns
ns
ns
15