N87C52 查看數據表（PDF） - Intel
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N87C52 Datasheet PDF : 23 Pages
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8XC52 54 58
SERIAL PORT TIMING - SHIFT REGISTER MODE
Test Conditions Over Operating Conditions Load Capacitance e 80 pF
Oscillator
Symbol Parameter
12 MHz
24 MHz
33 MHz
Variable
Units
Min Max Min Max Min Max
Min
Max
TXLXL Serial Port
1
0 50
0 36
12 TCLCL
ms
Clock
Cycle Time
TQVXH Output Data
700
284
167
10 TCLCL b 133
ns
Setup to Clock
Rising Edge
TXHQX Output Data
Hold after Clock
Rising Edge
8XC5X
50
2 TCLCL b 117
ns
8XC5X-24 33
34
10
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
283
167
10 TCLCL b 133 ns
SHIFT REGISTER MODE TIMING WAVEFORMS
272336 – 15
17
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