GS9021A 데이터 시트보기 (PDF) - Gennum -> Semtech
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GS9021A Datasheet PDF : 26 Pages
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AC ELECTRICAL CHARACTERISTICS
VDD = 5.0V, TA = 0 to 70°C unless otherwise shown.
PARAMETER
SYMBOL
CONDITION
MIN
TYP
MAX
UNITS
Input Clock Frequency
-
-
54
MHz
Clock Pulse Width Low
tPWL
7.4
-
-
ns
Clock Pulse Width High
tPWH
7.4
-
-
ns
Input Setup Time
tS
3
-
-
ns
Input Hold Time
tH
3
-
-
ns
Output Delay Time
tOD
with 10pF loading
-
-
15
ns
Output Hold Time
tOH
with 10pF loading
5
-
-
ns
Output Setup Time
tOS
with 10pF loading
3.5
-
-
ns
Flag Port Disable Time
tFDIS
with 25pF loading
-
-
15
ns
Flag Port Enable Time
tFEN
with 25pF loading
-
-
16
ns
I²C Clock Frequency
ƒSCL
-
-
400
kHz
Host Interface Setup Time
tHS
6
-
-
ns
Host Interface Hold Time
tHH
6
-
-
ns
Host Interface Output
Enable Time
tHEN
with 25pF loading
-
-
21
ns
Host Interface Output
Disable Time
tHDIS
with 25pF loading
-
-
10
ns
Reset Time Pulse Width
tRESET
100
-
-
ns
Device Latency
tLAT
8
8
8
clks
NOTES
1. See section 1.2 for a list of signals synchronous and asynchronous to PCLKIN.
2. See Figures 1 and 2.
3. Latency is defined as the number of clock cycles between the time when the data is latched into the device and when the
corresponding output data is clocked into the next device as shown in Figure 3.
4) Based upon 54MHz clock (18.5ns). Output Setup Time = Clock Period - Output Delay Time
NOTES
1, 2
1, 2
2
2
2,4
3
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