參數(shù)資料
型號(hào): SY69952ZC
廠商: MICREL INC
元件分類: 數(shù)字傳輸電路
英文描述: OC-3/STS-3 CLOCK RECOVERING TRANSCEIVER
中文描述: TRANSCEIVER, PDSO28
封裝: 0.300 INCH, SOIC-28
文件頁數(shù): 6/7頁
文件大?。?/td> 93K
代理商: SY69952ZC
SY69952
6
Micrel
Symbol
Parameter
Min.
Typ.
Max.
Units
Condition
f
REF
Reference Frequency
6.41
19.24
6.48
19.44
6.55
19.64
MHz
MHZ
MODE = 0
MODE = 1
f
B
Bit Time
(1)
19.5
6.50
19.3
6.43
19.1
6.36
ns
ns
MODE = 0
MODE = 1
t
ODC
Output Duty Cycle
(2)
(TCLK
±
, RCLK
±
)
ECL Output Rise/Fall Tiime
(2)
PLL Lock Time
(2)
48
52
%
t
RF
0.4
1.2
ns
5pf load, 50
to V
CC
2 (20% to 80%)
t
LOCK
1
μ
s
RIN transition density 25%
t
RPWH
REFCLK Pulse Width High
3.3
10
ns
ns
MODE = 0
MODE = 1
t
RPWL
REFCLK Pulse Width Low
3.3
10
ns
ns
MODE = 0
MODE = 1
t
DV
Data Valid
3
ns
Prior to RCLK+ rising edge
t
DH
Data Hold
Propagation Delay
(3)
(RIN to ROUT, TSER to TOUT)
1
ns
After RCLK+ rising edge
t
PD
10
ns
V
CC
= +5V
±
5%; V
EE
= GND = 0V, T
A
= 0
C to +85
C
AC ELECTRICAL CHARACTERISTICS
NOTES:
1. f
B
is calculated as 1/(f
REF
* 8).
2. Tested initially and after any design or process changes that may affect these parameters.
3. The ECL switching threshold is the differential zero crossing (ie, the point where + and
signals cross).
TIMING WAVEFORMS
PRODUCT ORDERING CODE
Ordering
Code
Package
Type
Operating
Range
SY69952ZC
Z28-1
Commercial
RCLKP
RSERP/RSERN
TSERP/TSERN
RINP/RINN
ROUTP/ROUTN
t
ODC
t
ODC
t
DV
t
DH
t
PD
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