N80C251TB24 Intel, N80C251TB24 Datasheet - Page 36

• Manufacturer Part Number: N80C251TB24
• Description: IC MPU 8-BIT 5V 24MHZ 44-PLCC
• Manufacturer: Intel
• Series: 80Cr

Specifications of N80C251TB24

• Rohs Status: RoHS non-compliant
• Core Processor: MCS 251
• Core Size: 8-Bit
• Speed: 24MHz
• Connectivity: SIO
• Peripherals: PWM, WDT
• Number Of I /o: 32
• Program Memory Type: ROMless
• Ram Size: 1K 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: -
• Program Memory Size: -
• Data Converters: -
• Other names: 816721

8xC251TB/TQ HIGH-PERFORMANCE CHMOS MICROCONTROLLER
7.0
All thermal impedance data is approximate for static
air conditions at 1 watt of power dissipation. Values
change depending on operating conditions and
application requirements.
Handbook (order number 240800) describes Intel’s
thermal impedance test methodology.
30
44-pin PLCC
40-pin PDIP
Package Type
THERMAL CHARACTERISTICS
Table 16. Thermal Characteristics
V
LOAD
V
V
LOAD
LOAD
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 loading V
with I
46°C/W
45°C/W
+ 0.1 V
– 0.1 V
OL /
The
I
JA
OH
= ± 20 mA.
Intel Packaging
Figure 18. Float Waveforms
16°C/W
16°C/W
JC
Timing Reference
Points
OH
/V
OL
level occurs
V
V
OH
OL
+ 0.1 V
– 0.1 V
A4117-01