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參數資料
| 型號： | VSC7937RA |
| 廠商： | VITESSE SEMICONDUCTOR CORP |
| 元件分類： | 數字傳輸電路 |
| 英文描述： | Single Supply 2.5Gb/s Voltage Driver |
| 中文描述： | ATM/SONET/SDH SUPPORT CIRCUIT, PQFP32 |
| 封裝： | 7 X 7 MM, PLASTIC, TQFP-32 |
| 文件頁數： | 2/14頁 |
| 文件大?。?/td> | 153K |
| 代理商： | VSC7937RA |
VITESSE
Preliminary Data Sheet
VSC7937
Single Supply 2.5Gb/s Voltage Driver
Page 2
G52200-0, Rev 3.0
03/05/01
VITESSE
SEMICONDUCTOR CORPORATION
741 Calle Plano
Camarillo, CA 93012
Tel: (800) VITESSE
FAX: (805) 987-5896
Email: prodinfo@vitesse.com
Internet: www.vitesse.com
Electrical Characteristics
Table 1: High-Speed Inputs and ECL Outputs
V
SS
= -5.2V, R
L
= 50
at I
OUT
pin
NOTE: (1) 100mA when R
L
= 30
at (N) OUT pin.
Table 2: DC Characteristics
Symbol
Parameter
Min
Typ
Max
Units
Conditions
V
IN
V
CM
V
OH
V
OL
V
IN
Single-Ended Input Voltage Swing
Differential Input Common-Mode Range
ECL Output HIGH Voltage
ECL Output LOW Voltage
On-Chip Terminations
300
-2.3
-1200
—
35
—
—
—
—
—
1500
-1.3
—
-1600
65
mVp-p
V
mV
mV
V
CM
= -2.0V
V
SS
= -5.2V
50
to -2.0V
50
to -2.0V
I
NOUT
Maximum Peak Current
(1)
60
—
—
mA
VIP = VSS + 1.4V
VIB1 = -5.2V
VIB2 = -5.2V
DIN = LOW
VIP = -4.1V
VIB1 = -5.2V
VIB2 = -5.2V
DIN = HIGH
20% to 80%
VIP = -4.1V
VIB1 = -5.2V
VIB2 = -5.2V
DIN = LOW
I
NOUT
Maximum Peak Current
—
—
4
mA
t
R,
t
F
Rise and Fall Times
—
—
100
ps
V
OUT
Output Voltage
—
—
-3.0
V
t
SU
t
H
Set-up Time - Data to CLK
Hold Time
20
—
50
50
—
90
ps
ps
Symbol
Parameter
Min
Typ
Max
Units
Conditions
V
SS
I
BIAS1,
I
BIAS2
Power Supply Voltage
-5.5
-5.2
-4.75
V
Maximum Bias Current
30
—
—
mA
VIB1, 2 = VSS + 1.8V
VIP = -5.2V
V
DCC
Duty-Cycle Control Voltage
V
SS
—
V
SS
+
3V
-0.8
-1.45
V
SS
+1.8
V
SS
+1.4
V
V
IH
V
IL
HIGH Level Input Voltage
LOW Level Input Voltage
-1.15
—
-0.9
-1.7
V
V
V
REF
= 1.3V
V
REF
= 1.3V
VIB1, VIB2
BIAS Control Voltage
V
SS
—
V
VIP
Modulation Control Voltage
V
SS
—
V
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