參數(shù)資料
型號(hào)： VSC7217
廠商： Vitesse Semiconductor Corporation.
英文描述： Multi-Gigabit Interconnect Chip
中文描述： 千兆位級(jí)互連芯片
文件頁(yè)數(shù)： 26/36頁(yè)
文件大小： 516K
代理商： VSC7217
VITESSE
Preliminary Datasheet
VSC7217
Mutli-Gigabit Interconnect Chip
Page 26
VITESSE
SEMICONDUCTOR CORPORATION
741 Calle Plano, Camarillo, CA 93012 805/388-3700 FAX: 805/987-5896
6/14/00
G52325-0
,
Rev. 3.0
DC Characteristics
Parameters
Description
Min.
Typ
Max.
Units
Conditions
TTL Outputs (Rn(7:0), KCHn, IDLEn, ERRn, RCLKn/RCLKNn, TBERRn, PSDETn, RSDETn, WSO)
V
OH
TTL Output HIGH Voltage
V
OL
TTL Output LOW Voltage
2.4
—
—
—
—
0.5
V
V
I
OH
= -1.0mA
I
OL
= +1.0mA
When set to high-impedance
state through JTAG.
I
OZ
TTL Output Leakage Current
—
—
TBD
μ
A
TTL Inputs (TBCn, Tn(7:0), C/Dn, WSENn, KCHAR, RATE, BIST, LBENn(1:0), TMODE(2:0), RMODE(1:0),
DUAL, PTXENn, RTXENn, RXP/Rn, RESETN, ENDEC, WSI, FLOCK, TRSTN, TDI, TDO, TMS, TCK)
V
IH
TTL Input HIGH Voltage
2.0
V
IL
TTL Input LOW Voltage
0
I
IH
TTL Input HIGH Current
—
I
IL
TTL Input LOW Current
—
PECL Inputs (REFCLKP/REFCLKN)
V
DD
-
1.1
V
DD
-
2.0
I
IH
PECL Input HIGH Current
—
I
IL
PECL Input LOW Current
- 50
PECL Input Differential Peak-
to-Peak Voltage Swing
PECL Input Common-Mode
Voltage
1.5
REFCLKP/REFCLKN Internal
Input bias voltage
PECL Outputs (PTXn+/-, RTXn+/-)
PECL Differential Peak-to-Peak
Output Voltage Swing
PECL Inputs (PRXn+/-, RRXn+/-)
PECL Differential Peak-to-Peak
Input Voltage Swing
Miscellaneous
V
DD
Power Supply Voltage
3.14
P
D
Power Dissipation
—
—
—
50
—
—
0.8
500
-1000
V
V
μ
A
μ
A
V
IN
=2.4V
V
IN
=0.5V
V
IH
PECL Input HIGH Voltage
—
V
DD
-
0.7
V
DD
-
1.5
200
—
V
V
IL
PECL Input LOW Voltage
—
V
—
—
μ
A
μ
A
V
IN
=V
IH(MAX)
V
IN
=V
IL(MIN)
V
IN
200
—
—
mV
|V
IH(MIN)
- V
IL(MAX)
|
a
a.
Single ended measurement results are quoted here. Differential techniques used in Fibre Channel would yield values that are
twice the magnitude. See diagram below.
V
CM
V
DD
-
—
V
DD
-
0.7
V
V
BIAS
—
V
DD
/2
—
V
OUT
450
—
1100
mV
|PTXn
+ -
PTXn
- |
a
50
to V
DD
- 2.0V
V
IN
200
—
1300
mV
|PRXn
+ -
PRXn
- |
a
—
3.0
3.47
3.5
V
W
3.3V + 5%
Maximum at 3.47V, 130MHz
redundant I/O OFF
Typical at 3.3V, outputs open
I
DD
Supply Current
—
910
1000
mA
Tx
+
Tx
-
Vout
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