80C51RA View Datasheet(PDF) - Intel
Part Name
Description
Manufacturer
80C51RA Datasheet PDF : 20 Pages
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8XC51RA RB RC
SERIAL PORT TIMING - SHIFT REGISTER MODE
Test Conditions Over Operating Conditions Load Capacitance e 80 pF
Symbol
Parameter
12 MHz
Oscillator
Min Max
20 MHz
Oscillator
Min Max
24 MHz
Oscillator
Min Max
Variable
Oscillator
Min
Max
Units
TXLXL Serial Port Clock 1
0 600
0 500
12 TCLCL
ms
Cycle Time
TQVXH Output Data
700
367
284 10 TCLCL b 133
ns
Setup to Clock
Rising Edge
TXHQX Output Data
Hold after Clock
Rising Edge
8XC51RX
50
2 TCLCL b 117
ns
8XC51RX-24
50
34
2 TCLCL b 50
ns
TXHDX Input Data Hold 0
0
0
0
ns
After Clock
Rising Edge
TXHDV Clock Rising
Edge to Input
Data Valid
700
367
284
10 TCLCL b 133 ns
SHIFT REGISTER MODE TIMING WAVEFORMS
272659 – 15
14
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