N80C251TB24 Intel, N80C251TB24 Datasheet - Page 32
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N80C251TB24
Manufacturer Part Number
N80C251TB24
Description
IC MPU 8-BIT 5V 24MHZ 44-PLCC
Manufacturer
Intel
Series
80Cr
Datasheet
1.N80C251TQ24.pdf
(36 pages)
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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
N80C251TB24
Manufacturer:
INTEL
Quantity:
12 388
Part Number:
N80C251TB24
Manufacturer:
INTEL
Quantity:
20 000
8xC251TB/TQ HIGH-PERFORMANCE CHMOS MICROCONTROLLER
26
RD#/PSEN#
WAIT#
WCLK
ALE
P2
P0
Figure 13. External Bus Cycle: Code Fetch/Data Read (Page Mode)
A15:8
State 1
T
T
RLYX
RLYX
T
RLYV
max
min
A7:0
State 2
D7:0
T
CLYV
T
CLYX
RD#/PSEN#
stretched
stretched
State 3
min
T
CLYX
max
stretched
State 1 (next cycle)
A15:8
A7:0
A5001-02