AP87C51FA データシートの表示（PDF） - Intel
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AP87C51FA Datasheet PDF : 18 Pages
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AUTOMOTIVE 87C51FA FB FC FC-20
SERIAL PORT TIMING SHIFT REGISTER MODE
Test Conditions TA e b40 C to a125 C VCC e 5V g 20% VSS e 0V Load Capacitance e 80 pF
Symbol
Parameter
12 MHz Oscillator
Min
Max
Variable Oscillator
Min
Max
Units
TXLXL Serial Port Clock Cycle Time
1
12TCLCL
ms
TQVXH Output Data Setup to Clock
700
10TCLCLb133
ns
Rising Edge
TXHQX Output Data Hold after
50
2TCLCLb117
ns
Clock Rising Edge
TXHDX Input Data Hold After Clock
0
0
ns
Rising Edge
TXHDV Clock Rising Edge to Input
700
Data Valid
10TCLCLb133 ns
SHIFT REGISTER MODE TIMING WAVEFORMS
EXTERNAL CLOCK DRIVE
Symbol
Parameter
Min
1 TCLCL
Oscillator Frequency
35
87C51FA FB FC
TCHCX
High Time
20
TCLCX
Low Time
20
TCLCH
Rise Time
TCHCL
Fall Time
EXTERNAL CLOCK DRIVE WAVEFORMS
Max
16 20
20
20
270961 – 15
Units
MHz
ns
ns
ns
ns
270961 – 16
13
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