SY10EL1189ZI [MICREL]
FIBRE CHANNEL COAXIAL CABLE DRIVER AND LOOP RESILIENCY CIRCUIT; 光纤通道同轴电缆驱动器和环路弹性电路![SY10EL1189ZI](http://pdffile.icpdf.com/pdf1/p00110/img/icpdf/SY10EL1189_598799_icpdf.jpg)
型号: | SY10EL1189ZI |
厂家: | ![]() |
描述: | FIBRE CHANNEL COAXIAL CABLE DRIVER AND LOOP RESILIENCY CIRCUIT |
文件: | 总4页 (文件大小:60K) |
中文: | 中文翻译 | 下载: | 下载PDF数据表文档文件 |
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FIBRE CHANNEL COAXIAL
CABLE DRIVER AND LOOP
RESILIENCY CIRCUIT
SY10EL1189
FINAL
FEATURES
DESCRIPTION
ꢀ 425ps propagation delay
The SY10EL1189 is a differential receiver, differential
transmitter specifically designed to drive coaxial cables.
It incorporates the output cable driver capability of the
SY10EL89 Coaxial Cable Driver with additional circuitry
to multiplex the output cable drive source between the
cable receiver or the local transmitter inputs. The
multiplexer control circuitry is TTL compatible for ease of
operation.
ꢀ 1.6V output swings
ꢀ Single +5V operation
ꢀ Internal 75KΩ input pull-down resistors
ꢀ Available in 16-pin SOIC package
The SY10EL1189 is useful as a bypass element for
Fibre Channel-Arbitrated Loop (FC-AL) or Serial Storage
Architecture (SSA) applications, to create loop style
interconnects with fault tolerant, active switches at each
device node. This device is particularly useful for back
panel applications where small size is desirable.
LOGIC DIAGRAM
From Input Cable
(ECL Levels)
The EL89 style drive circuitry produces swings twice
as large as a standard PECL output. When driving a
coaxial cable, proper termination is required at both ends
of the line to minimize reflections. The 1.6V output swings
allow for proper termination at both ends of the cable.
Because of the larger output swings, the QT, QT outputs
are terminated into the thevenin equivalent of 50Ω to
VCC-3.0V instead of 50Ω to VCC-2.0V.
Local
QR
DR
Receive Data
(ECL Levels) QR
DR
VBB
1
0
QT
QT
DT
DT
Local
Transmit Data
(ECL Levels)
To Output Cable
(Enhanced Swing)
SEL (TTL)
PIN NAMES
Pin
DR/DR
QR/QR
DT/DT
QT/QT
SEL
Function
Differential Input from Receive Cable
Buffered Differential Output from Receive Cable
Differential Input to Transmit Cable
Buffered Differential Output to Transmit Cable
Multiplexer Control Signal (TTL)
Postive Power Supply
PIN CONFIGURATION
16
15
14
1
QR
VCC
VCC
2
QR
DR
GND
Ground
3
V
CC
DR
VBB
Reference Voltage Output
4
5
6
13
12
11
NC
GND
Top View
SOIC
V
CC
VBB
QT
DT
TRUTH TABLE
7
8
10
9
QT
DT
SEL
Function
V
CC
SEL
L
DR ꢀꢀQT
DT ꢀꢀQT
H
Rev.: D
Amendment: 0
Issue Date: February 2003
1
SY10EL1189
Micrel
(1)
ABSOLUTE MAXIMUM RATINGS
Symbol
Rating
Value
Unit
VCC
VIN
Power Supply Voltage (Referenced to GND)
Input Voltage (Referenced to GND)
0 to +7.0
0 to VCC
V
V
IOUT
Output Current — Continuous
— Surge
50
100
mA
TA
Tstore
VCC
Operating Temperature Range
Storage Temperature Range
Operating Voltage Range(2)
–40 to +85
–50 to +150
4.5 to 5.5
°C
°C
V
NOTES:
1. PermanentdevicedamagemayoccurifABSOLUTEMAXIMUMRATINGSareexceeded. Thisisastressratingonlyandfunctionaloperationisnotimplied
at conditions other than those detailed in the operational sections of this data sheet. Exposure to ABSOLUTE MAXIMUM RATlNG conditions for extended
periods may affect device reliability.
2. Parametric values specified at 4.75 to 5.25V.
(1)
DC ELECTRICAL CHARACTERISTICS
VCC = 5.0V, GND = 0V
TA = –40°C
TA = 0°C
TA = +25°C
TA = +85°C
Symbol
Parameter
Min. Typ. Max. Min. Typ. Max. Min. Typ. Max. Min. Typ. Max. Unit
(2,3)
(2,3)
VOL
Output LOW Voltage
(QR, QR)
3.05 3.23
3.92 4.05
3.35
4.11
3.05
3.98
3.24
4.09
3.37
4.16
3.05
4.02
3.24
4.11
3.37
4.19
3.05
4.09
3.25
4.16
3.41
4.28
V
V
VOH
VOL
VOH
ICC
VIL
VIH
IIL
Output HIGH Voltage
(QR, QR)
Output LOW Voltage(2,4) 1.94 2.22 2.50 1.83 2.12 2.41 1.80 2.10 2.39 1.77 2.06 2.35
(QT, QT)
V
Output HIGH Voltage(2,4) 3.71 3.89 4.08 3.79 3.98 4.17 3.83 4.02 4.20 3.90 4.09 4.28
(QT, QT)
V
Quiescent Supply
Current(5)
20
3.05
3.77
—
25
—
—
—
—
42
22
26
—
—
—
—
47
23
27
—
—
—
—
47
25
28
—
—
—
—
47
3.56
4.28
150
—
mA
V
Input LOW Voltage(2)
(DR,DR & DT,DT)
3.50 3.05
4.11 3.83
3.52 3.05
4.16 3.87
3.52 3.05
4.19 3.94
Input HIGH Voltage(2)
(DR,DR & DT,DT)
V
Input LOW Current
(DR,DR & DT,DT)
150
—
—
150
—
—
150
—
—
µA
µA
IIH
Input HIGH Current
(DR,DR & DT,DT)
0.5
0.5
0.5
0.5
VIL
VIH
IIL
Input LOW Voltage SEL
Input HIGH Voltage SEL
—
—
—
0.8
—
—
—
—
0.8
—
—
—
—
0.8
—
—
—
—
0.8
—
V
V
2.0
2.0
2.0
2.0
Input LOW Current SEL
VIN = 500mV
—
—
600
—
—
600
—
—
600
—
—
600
µA
µA
V
IIH
Input HIGH Current SEL
VIN = 2.7V
—
—
—
—
20
100
—
—
—
—
20
100
—
—
—
—
20
100
—
—
—
—
20
100
VIN = VCC
VBB
Output Reference
Voltage(2)
3.57 3.63 3.70 3.62 3.67 3.73 3.65 3.70 3.75 3.69 3.75 3.81
NOTES:
2. Values will track 1:1 with the VCC supply.
1. 10EL circuits are designed to meet the DC specifications shown in the
table after thermal equilibrium has been established. The circuit is
mounted in a test socket or mounted on a printed circuit board and
transverse air greater than 500lfm is maintained.
3. Outputs loaded with 50Ω to +3.0V.
4. Outputs loaded with 50Ω to +2.0V.
5. Outputs open circuited.
2
SY10EL1189
Micrel
(1)
AC ELECTRICAL CHARACTERISTICS
VCC = 4.75 to 5.25V
TA =–40°C
TA = 0°C to 85˚C
Symbol
Parameter
Propagation Delay DR ꢀ QR (Diff)
Min.
Typ.
Max.
Min.
Typ.
Max. Unit
Condition
Note 2
Note 3
tPLH
tPHL
175
150
300
300
450
500
225
175
325
325
500
550
ps
to Output
(SE)
DR ꢀ QT (Diff)
250
225
425
425
650
700
300
250
450
450
650
700
(SE)
DT ꢀ QT (Diff)
225
200
400
400
650
725
275
225
425
425
650
725
(SE)
tPLH
tPHL
Propagation Delay SEL ꢀ QT, QT
450
100
150
600
275
300
850
400
550
500
125
150
650
275
300
800
400
550
ps
ps
ps
1.5V to 50% Pt
tr
tf
Rise/Fall Time
(20% to 80%)
QR, QR
QT, QT
tr
tf
Rise/Fall Time
(20% to 80%)
tskew
VPP
Within Device Skew(4)
Minimum Input Swing(5)
Common Mode Range(6)
—
15
—
—
—
—
—
15
—
—
—
—
ps
mV
V
200
3.00
200
3.00
VCMR
NOTES:
4.35
4.35
1. 10EL circuits are designed to meet the DC specifications shown in the table after thermal equilibrium has been established. The circuit is mounted in a
test socket or mounted on a printed circuit board and transverse air greater than 500lfm is maintained.
2. The differential propagation delay is defined as the delay from the crossing points of the differential input signals to the crossing point of the differential
output signals.
3. The single-ended propagation delay is defined as the delay from the 50% point of the input signal to the 50% point of the output signal.
4. Duty cycle skew is the difference between tPLH and tPHL propagation delay through a device.
5. Minimum input swing for which AC parameters are guaranteed.
6. TheCMRrange isreferencedtothemostpositivesideofthedifferentialinputsignal. NormaloperationisobtainediftheHIGH levelfallswithinthespecified
range and the peak-to-peak voltage lies between VPP Min. and 1.0V.
PRODUCT ORDERING CODE
Ordering
Code
Package
Type
Operating
Range
Marking
Code
Ordering
Code
Package
Type
Operating
Range
Marking
Code
SY10EL1189ZC
SY10EL1189ZCTR*
*Tape and Reel
Z16-2
Z16-2
Commercial
Commercial
HEL1189
HEL1189
SY10EL1189ZI(1)
Z16-2
Z16-2
Industrial
Industrial
HEL1189
HEL1189
SY10EL1189ZITR*(1)
Note 1. Recommended for new designs.
3
SY10EL1189
Micrel
16 LEAD SOIC .150" WIDE (Z16-2)
Rev. 02
MICREL, INC. 1849 FORTUNE DRIVE SAN JOSE, CA 95131 USA
TEL + 1 (408) 944-0800 FAX + 1 (408) 944-0970 WEB http://www.micrel.com
The information furnished by Micrel in this datasheet is believed to be accurate and reliable. However, no responsibility is assumed by Micrel for its use.
Micrel reserves the right to change circuitry and specifications at any time without notification to the customer.
Micrel Products are not designed or authorized for use as components in life support appliances, devices or systems where malfunction of a product can
reasonably be expected to result in personal injury. Life support devices or systems are devices or systems that (a) are intended for surgical implant into
the body or (b) support or sustain life, and whose failure to perform can be reasonably expected to result in a significant injury to the user. A Purchaser’s
use or sale of Micrel Products for use in life support appliances, devices or systems is at Purchaser’s own risk and Purchaser agrees to fully indemnify
Micrel for any damages resulting from such use or sale.
© 2003 Micrel, Incorporated.
4
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