81C51SL-AL View Datasheet(PDF) - Intel
Part Name
Description
Manufacturer
81C51SL-AL Datasheet PDF : 23 Pages
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8XC51SL LOW VOLTAGE 8XC51SL
SERIAL PORT TIMING SHIFT REGISTER MODE
Test Conditions Over Operating Conditions Load Capacitance e 50 pF
Symbol
Parameter
16 MHz
Oscillator
Variable Oscillator
Units
Min Max
Min
Max
TXLXL Serial Port Clock Cycle Time
750
12TCLCL
ns
TQVXH Output Data Setup to
492
10TCLCLb133
ns
Clock Rising Edge
TXHQX Output Data Hold after
50
2TCLCLb117
ns
Clock Rising Edge
TXHDX Input Data Hold after
0
0
ns
Clock Rising Edge
TXHDV Clock Rising Edge to Input Data Valid
492
10TCLCLb133 ns
SHIFT REGISTER MODE TIMING WAVEFORMS
272271 –8
EXTERNAL CLOCK DRIVE
Symbol
Parameter
Min
Max
Units
1 TCLCL
Oscillator Frequency
20
16
MHz
TCHCX
High Time
20
ns
TCLCX
Low Time
20
ns
TCLCH
Rise Time
20
ns
TCHCL
Fall Time
20
ns
EXTERNAL CLOCK DRIVE WAVEFORM
272271 – 9
17
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