參數(shù)資料
型號(hào): GS9035
英文描述: GENLINX II Serial Digital Reclocker
中文描述: GENLINX二串行數(shù)字時(shí)鐘恢復(fù)器
文件頁(yè)數(shù): 5/10頁(yè)
文件大小: 705K
代理商: GS9035
GENNUM CORPORATION
521 - 96 - 07
5 of 10
G
TYPICAL PERFORMANCE CURVES
(V
S
= 5V, T
A
= 25
°
C unless otherwise shown. Guard band tested to 70
°
C only.)
Fig. 1 Rise/Fall Times vs. Temperature
Fig. 2 Supply Current vs. Temperature (SDO0 & SDO1 ON)
31
BYPASS
I
When high, the SMPTE Scrambler and NRZ encoder are bypassed.
32
AUTO/MAN
I
Autostandard or manual mode selectable operation.
33
RESET
I
Resets the scrambler when asserted.
34
V
CC1
-
Most positive power supply connection for analog circuits.
35
V
EE1
-
Most negative power supply connection for analog circuits.
36, 38
R
VCO
+, R
VCO
-
I
Differential VCO current setting resistor that sets the VCO frequency.
37
NC
I
No Connect.
39, 43
V
EE
-
Most negative power supply connection (substrate).
40
LBWC
I
TTL level loop bandwidth control that adjusts the PLL bandwidth to optimize for lowest
jitter. If the pin is set to ground the loop bandwidth is BW
MIN
. If the pin is left floating, the
loop bandwidth is approximately 3 BW
MIN
, if the pin is tied to V
CC
the loop bandwidth is
approximately10 BW
MIN
41, 42
LF+, LF-
I
Differential loop filter pins to optimize loop transfer performance at low loop bandwidths
(NC if not used).
44
SYNC DIS
I
Sync detect disable. Logic high disables sync detection. Logic low allows 8 bit operation
by mapping 000-003 to 000 and 3FC-3FF to 3FF.
PIN DESCRIPTIONS
NUMBER
SYMBOL
TYPE
DESCRIPTION
5.25 FALL
4.75 RISE
5.0 RISE
5.0 FALL
5.25 RISE
4.75 FALL
0
20
40
60
80
500
490
480
470
460
450
440
430
420
R
TEMPERATURE (C)
4.75
5.0
5.25
0
20
40
60
80
155
150
145
140
135
130
125
C
TEMPERATURE (
C)
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