L6238 데이터 시트보기 (PDF) - STMicroelectronics
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L6238 Datasheet PDF : 35 Pages
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ELECTRICAL CHARACTERISTICS (Continued)
Symbol
Parameter
Test Condition
LOGIC SECTION
VinH
VinL
IinH
IinL
VoutL
VoutH
Input Voltage
Input Current
Output Voltage
Vsink = 2mA
Vsource = 2mA
Fsys
System Clock Frequency
ton
Clock ON Time
toff
Clock OFF Time
SEQUENCE INCREMENT
tseq
Time Between Rising Edges
SERIAL PORT TIMING Note: Cload(data I/O) = 50pF;
Fshift Clock Frequency
tos
Operating Set-up Time
tsettle
tstrobe
twait
Enabling Settling Time
Strobe Pulse Width
Disable Wait Time
tds
Data Setup Time
tdh
Data Hold Time
tsd
Strobe to Data Prop. Delay
(*)
tcd
Clock to Data Prop. Delay
(*)
tsd
Data I/O Activation Delay
(*)
ttsd
Data I/O Tri State Delay
twrs
Write to Read Set-up Time
tscr
Strobe to Clock Time
(Read Mode)
tcsw
Clock to Strobe Time
(Write Mode)
PHASE LOCK LOOP SECTION
Tp hse
Static Phase Error
BRAKE DELAY SECTION
Vchrg
Capacitor Charge Voltage
RT = 50K
Io ut3
Source Current
VThres
Delay Timer Low Trip Threshold
CHARGE PUMP
Vout9
Storage Capacitor Output
Voltage
Vleak
Blocking Diode Leakage Current
Fcp
Charge Pump Frequency
(*) These parameters are a function of Cload.
L6238
Min. Typ. Max. Unit
TBD
–1
4.5
8
20
20
TBD
1
0.5
12
V
V
µA
mA
V
V
MHz
ns
ns
1
µs
2
TBD MHz
50
ns
50
ns
40
ns
40
ns
100
ns
10
ns
100
ns
100
ns
100
ns
80
ns
50
ns
50
ns
50
ns
20
µs
TBD 9.5 TBD
V
0.5
mA
TBD 1.8 TBD
V
20
V
10
µA
300
KHz
5/35
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