N80C251TB24 Intel, N80C251TB24 Datasheet - Page 31

• 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
State 1
State 2
State 3
State 4
WCLK
T
min
CLYX
ALE
T
max
CLYX
T
CLYV
WR#
WR# stretched
T
max
WLYX
T
min
WLYX
T
WLYV
WAIT#
P0
A7:0
D7:0
stretched
P2
A15:8
stretched
A5002-02
Figure 12. External Bus Cycle: Data Write (Nonpage Mode)
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