參數(shù)資料
型號: ZL30105
廠商: Zarlink Semiconductor Inc.
英文描述: Power Clamp On Multimeter; DMM Type:Clamp; No. of Digits/Alpha:3-3/4; DMM Response Type:True RMS; Approval Categories:CAT III 600V; Calibrated:No; Current Measuring Range:0-400.0A; Current Setting AC:400A RoHS Compliant: NA
中文描述: T1/E1/SDH層3冗余系統(tǒng)時鐘Synchonizer為AdvancedTCA和H.110
文件頁數(shù): 38/50頁
文件大?。?/td> 691K
代理商: ZL30105
ZL30105
Data Sheet
38
Zarlink Semiconductor Inc.
Figure 27 - REF0/1/2 Input Timing and Input to Output Timing
* Supply voltage and operating temperature are as per Recommended Operating Conditions.
* See Figure 18, “Examples of REF2 & REF2_SYNC to Output Alignment” on page 26 for further explanation.
Figure 28 - REF2_SYNC Timing
AC Electrical Characteristics* - Input timing for REF2_SYNC (see Figure 28).
Characteristics
REF2_SYNC
frequency
Symbol
Min.
Max.
Units
Notes
1
REF2_SYNC lead time
2 kHz
t
SYNC_LD
t
SYNC_LD
t
SYNC_LG
0
ns
2
8 kHz
12
ns
3
REF2_SYNC lag time
2 kHz
t
REFP
- 15
ns
t
REFP
= minimum
period of REF2 clock
4
8 kHz
t
SYNC_LG
t
REFP
- 28
ns
t
REFP
= minimum
period of REF2 clock
5
REF2_SYNC pulse
width high or low
2 kHz, 8 kHz
t
SYNC_W
15
ns
REF0/1/2
t
REF<xx>P
t
REF8kD
, t
REF<xx>_F8D
t
REFW
t
REF<xx>D
t
REFW
F8_32o
output clock with the
same frequency as
REF
REF2
REF2_SYNC
t
SYNC_LD
t
SYNC_LG
t
SYNC_W
t
REFP
edge used for alignment
Note:
REF2 can be 1.544 MHz, 2.048 MHz, 8.192 MHz, 16.384 MHz or 19.44 MHz.
REF2_SYNC can be 2 kHz or 8 kHz.
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