MIC8030 データシートの表示（PDF） - Micrel
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MIC8030 Datasheet PDF : 5 Pages
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MIC8030
AC Electrical Characteristics: VCC = 5V, VSS = 0V, VBB = 50V, –55°C ≤ TA ≤ +125°C
Symbol
Parameter
Min
Typ
Max
Units
tCYC
Cycle Time
500
tOL, tOH
Clock Pulse Width low/high
250
tr, tf
Clock rise/fall
tDS
Data In Setup
100
tCSC
CS Setup to Clock
100
tDH
Data Hold
10
tCCS
CS Hold
220
tCL
Load Pulse Setup
250
tLCS
CS Hold (rising load to rising CS)
200
tLW
Load Pulse Width
300
tLC
Load Pulse Delay (falling load to
0
falling clock)
ns
ns
1
µs
ns
ns
ns
ns
ns
ns
ns
ns
tCDO
tCSL
FBP
Data Out Valid from Clock
CS Setup to LOAD
Backplane Frequency
220
ns
0
ns
50
100
2000
Hz
Micrel
Timing Diagram
Clock
tCYC
tOH
tf
tOL
tr
Data
In
CS
tDS
tCSC
*
tDH
tCCS
*
tLCS
tCSL
tLC
tCL
tLW
Load
Data
Out
tCDO
* The CS high-to-low transition will generate a clock pulse.
Logic Truth Table
Data
Chip
In Clock Select Load Q1(SR)
QN(SR)
QN(DRIVER)
XX
1 X NC
NC
3.5V
0↑
0 0 NC
NC
1.5V
0↑
0 1 NC
NC
QN(L)
QN(L)
QN(L)
0↓
0
0
0
QN - 1→QN
QN(L)
0↓
1↑
1↑
0
1
0
QN - 1→QN QN(SR)
0 0 NC
NC
QN(L)
0 1 NC
NC
QN(L)
1↓
0
0
1
QN - 1→QN
QN(L)
1↓
0
1
1
QN - 1→QN QN(SR)
↑ = Rising Edge, ↓ = Falling Edge
MIC8030
8-20
October 1998
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