VSC7937KJL 查看數據表（PDF） - Vitesse Semiconductor
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VSC7937KJL Datasheet PDF : 14 Pages
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VITESSE
SEMICONDUCTOR CORPORATION
Single Supply 2.5Gb/s Voltage Driver
Preliminary Data Sheet
VSC7937
Electrical Characteristics
Table 1: High-Speed Inputs and ECL Outputs
VSS = -5.2V, RL = 50Ω at IOUT pin
Symbol
Parameter
VIN
Single-Ended Input Voltage Swing
VCM
Differential Input Common-Mode Range
VOH
ECL Output HIGH Voltage
VOL
ECL Output LOW Voltage
VIN
On-Chip Terminations
INOUT
Maximum Peak Current(1)
INOUT
Maximum Peak Current
tR, tF
Rise and Fall Times
VOUT
Output Voltage
tSU
Set-up Time - Data to CLK
tH
Hold Time
NOTE: (1) 100mA when RL = 30Ω at (N) OUT pin.
Table 2: DC Characteristics
Symbol
Parameter
VSS
IBIAS1,
IBIAS2
Power Supply Voltage
Maximum Bias Current
VDCC
Duty-Cycle Control Voltage
VIH
HIGH Level Input Voltage
VIL
LOW Level Input Voltage
VIB1, VIB2 BIAS Control Voltage
VIP
Modulation Control Voltage
Min Typ Max Units
Conditions
300 — 1500 mVp-p VCM = -2.0V
-2.3 — -1.3
V VSS = -5.2V
-1200 —
—
mV 50Ω to -2.0V
—
— -1600 mV 50Ω to -2.0V
35
—
65
Ω
VIP = VSS + 1.4V
60
—
—
mA
VIB1 = -5.2V
VIB2 = -5.2V
DIN = LOW
VIP = -4.1V
—
—
4
mA
VIB1 = -5.2V
VIB2 = -5.2V
DIN = HIGH
—
— 100
ps 20% to 80%
VIP = -4.1V
—
— -3.0
V
VIB1 = -5.2V
VIB2 = -5.2V
DIN = LOW
20
50
—
ps
—
50
90
ps
Min Typ Max Units
Conditions
-5.5 -5.2 -4.75 V
30
—
—
mA
VIB1, 2 = VSS + 1.8V
VIP = -5.2V
VSS
—
VSS +
3V
V
-1.15 -0.9 -0.8
— -1.7 -1.45
VSS
—
VSS
+1.8
V VREF = 1.3V
V VREF = 1.3V
V
VSS
—
VSS
+1.4
V
Page 2
© VITESSE SEMICONDUCTOR CORPORATION • 741 Calle Plano • Camarillo, CA 93012
Tel: (800) VITESSE • FAX: (805) 987-5896 • Email: prodinfo@vitesse.com
Internet: www.vitesse.com
G52200-0, Rev 3.0
03/05/01
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