SY100E111LJC [MICREL]
5V/3.3V 1:9 DIFFERENTIAL CLOCK DRIVER w/o ENABLE; 5V / 3.3V 1 : 9差分时钟驱动器的W / O ENABLE型号: | SY100E111LJC |
厂家: | MICREL SEMICONDUCTOR |
描述: | 5V/3.3V 1:9 DIFFERENTIAL CLOCK DRIVER w/o ENABLE |
文件: | 总5页 (文件大小:87K) |
中文: | 中文翻译 | 下载: | 下载PDF数据表文档文件 |
ClockWorks™
SY10E111A/L
SY100E111A/L
5V/3.3V 1:9 DIFFERENTIAL
CLOCK DRIVER (w/o ENABLE)
FEATURES
DESCRIPTION
■ 5V and 3.3V power supply options
■ 200ps part-to-part skew
The SY10/100E111A/L are low skew 1-to-9 differential
driver designed for clock distribution in mind. The SY10/
100E111A/L's function and performance are similar to the
popular SY10/100E111, with the improvement of lower
jitter and the added feature of low voltage operation. It
accepts one signal input, which can be either differential or
single-ended if the VBB output is used. The signal is fanned
out to 9 identical differential outputs.
The E111A/L are specifically designed, modeled and
produced with low skew as the key goal. Optimal design
and layout serve to minimize gate to gate skew within a
device, andempiricalmodelingisusedtodetermineprocess
control limits that ensure consistent tpd distributions from
lot to lot. The net result is a dependable, guaranteed low
skew device.
■ 50ps output-to-output skew
■ Differential design
■ VBB output
■ Voltage and temperature compensated outputs
■ 75KΩ input pulldown resistors
■ Fully compatible with Motorola MC100LVE111
■ Available in 28-pin PLCC package
BLOCK DIAGRAM
To ensure that the tight skew specification is met it is
necessary that both sides of the differential output are
terminated into 50Ω, even if only one side is being used. In
most applications, all nine differential pairs will be used and
therefore terminated. In the case where fewer that nine
pairs are used, it is necessary to terminate at least the
output pairs on the same package side as the pair(s) being
used on that side, in order to maintain minimum skew.
Failure to do this will result in small degradations of
propagation delay (on the order of 10-20ps) of the output(s)
being used which, while not being catastrophic to most
designs, will mean a loss of skew margin.
The E111A/L, as with most other ECL devices, can be
operated from a positive VCC supply in PECL mode. This
allows the E111A/L to be used for high performance clock
distribution in +5V/+3.3V systems. Designers can take
advantage of the E111A/L's performance to distribute low
skew clocks across the backplane or the board. In a PECL
environment, series or Thevenin line terminations are
typically used as they require no additional power supplies.
For systems incorporating GTL, parallel termination offers
the lowest power by taking advantage of the 1.2V supply as
terminating voltage.
Q
Q
Q
Q
Q
Q
Q
Q
Q
Q
Q
Q
Q
Q
Q
Q
Q
Q
0
0
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
IN
IN
V
BB
Rev.: F
Amendment: /0
Rev. Date: October, 1998
1
ClockWorks™
SY10E111A/L
SY100E111A/L
Micrel
PIN CONFIGURATION
PIN NAMES
Pin
IN, IN
Function
Differential Input Pair
Differential Outputs
VBB Output
Q0, Q0 — Q8, Q8
VBB
25 24 23 22 21 20 19
V
EE
26
27
28
1
18
17
16
15
14
13
12
Q
Q
3
3
VCCO
VCC to Output
NC
IN
Q
4
PLCC
TOP VIEW
J28-1
VCC
VCCO
IN
2
Q
Q
Q
4
5
5
V
BB
3
NC
4
5
6
7
8
9
10 11
ECL DC ELECTRICAL CHARACTERISTICS(1)
VEE = VEE (Min.) to VEE (Max.); VCC = GND
TA = –40°C
TA = 0°C
Min. Typ. Max.
TA = +25°C
Min. Typ. Max.
TA = +85°C
Symbol
Parameter
Min. Typ. Max.
Min. Typ. Max. Unit
VOH
Output HIGH Voltage
mV
10EL –1080
100EL –1085
—
—
–890 –1020
–880 –1025
—
—
–840 –980
–880 –1025
—
—
–810 –910
–880 –1025
—
—
–720
–880
VOL
VIH
VIL
Output LOW Voltage
10EL –1950
100EL –1830
Input HIGH Voltage
mV
mV
mV
V
—
—
–1650 –1950
–1550 –1810
—
—
–1630 –1950
–1620 –1810
—
—
–1630 –1950
–1620 –1810
—
—
–1595
–1620
10EL –1230
100EL –1165
—
—
–890 –1170
–880 –1165
—
—
–840 –1130
–880 –1165
—
—
–810 –1060
–880 –1165
—
—
–720
–880
Input LOW Voltage
10EL –1950
100EL –1810
—
—
–1500 –1950
–1475 –1810
—
—
–1480 –1950
–1475 –1810
—
—
–1480 –1950
–1475 –1810
—
—
–1445
–1475
VBB
Output Reference
Voltage
10EL –1.43
100EL –1.38
—
—
–1.30 –1.38
–1.26 –1.38
—
—
–1.27 –1.35
–1.26 –1.38
—
—
–1.25 –1.31
–1.26 –1.38
—
—
–1.19
–1.26
IIH
IIL
Input HIGH Current
Input LOW Current
—
—
150
—
—
150
—
—
150
—
—
150
µA
µA
10EL
100EL
0.5
0.5
—
—
—
—
0.5
0.5
—
—
—
—
0.5
0.5
—
—
—
—
0.3
0.5
—
—
—
—
IEE
Power Supply Current
mA
10EL
100EL
35
35
—
—
65
65
35
35
—
—
65
65
35
35
—
—
65
65
35
35
—
—
65
75
NOTE:
1. Parametric values specified at:
5 volt Power Supply Range 100E111A Series:
10E111A Series
-4.2V to -5.5V.
-4.75V to -5.5V.
3 volt Power Supply Range 10/100E111L Series: -3.0V to -3.8V.
2
ClockWorks™
SY10E111A/L
SY100E111A/L
Micrel
3.3V PECL DC ELECTRICAL CHARACTERISTICS(1)
VCC = +3.0V to +3.8V, VEE = GND
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
VOH
Output HIGH Voltage(2)
mV
10EL 2220
100EL 2215
—
—
2110
2120
2280
2275
—
—
2460
2420
2320
2275
—
—
2490
2420
2390
2275
—
—
2580
2420
VOL
VIH
VIL
Output LOW Voltage(2)
mV
mV
mV
V
10EL 1350
100EL 1470
Input HIGH Voltage(2)
10EL 2070
100EL 2135
Input LOW Voltage(2)
—
—
1650
1750
1350
1490
—
—
1670
1680
1350
1490
—
—
1670
1680
1350
1490
—
—
1705
1680
—
—
2410
2420
2130
2135
—
—
2460
2420
2170
2135
—
—
2490
2420
2240
2135
—
—
2580
2420
10EL 1350
100EL 1490
—
—
1800
1825
1350
1490
—
—
1820
1825
1350
1490
—
—
1820
1825
1350
1490
—
—
1855
1825
VBB
Output Reference
Voltage(2)
10EL 1.87
100EL 1.92
—
—
2.00
2.04
1.92
1.92
—
—
2.03
2.04
1.95
1.92
—
—
2.05
2.04
1.99
1.92
—
—
2.11
2.04
IIH
IIL
Input HIGH Current
—
—
150
—
—
150
—
—
150
—
—
150
µA
µA
Input LOW Current
10EL 0.5
—
—
—
—
0.5
0.5
—
—
—
—
0.5
0.5
—
—
—
—
0.3
0.5
—
—
—
—
100EL 0.5
Power Supply Current
10EL
100EL
IEE
mA
—
—
—
—
66
66
—
—
—
—
66
66
—
—
—
—
66
66
—
—
—
—
66
78
NOTES:
1. Parametric values specified at:
3 volt Power Supply Range 10/100E111L Series:
+3.0V to +3.8V.
2. These values are for VCC = 3.3V. Level specifications will vary 1:1 with VCC.
5V PECL DC ELECTRICAL CHARACTERISTICS(1)
VCC = VCC (Min.) to VCC (Max.); VEE = GND
TA = –40°C
TA = 0°C
Min. Typ. Max.
TA = +25°C
TA = +85°C
Symbol
Parameter
Output HIGH Voltage(2)
Min. Typ. Max.
Min. Typ. Max.
Min. Typ. Max. Unit
VOH
mV
10EL 3920
100EL 3915
Output LOW Voltage(2)
10EL 3050
100EL 3170
Input HIGH Voltage(2)
10EL 3770
100EL 3835
Input LOW Voltage(2)
—
—
4110
4120
3980
3975
—
—
4160
4120
4020
3975
—
—
4190
4120
4090
3975
—
—
4280
4120
VOL
VIH
VIL
mV
mV
mV
V
—
—
3350
3450
3050
3190
—
—
3370
3380
3050
3190
—
—
3370
3380
3050
3190
—
—
3405
3380
—
—
4110
4120
3830
3835
—
—
4160
4120
3870
3835
—
—
4190
4120
3940
3835
—
—
4280
4120
10EL 3050
100EL 3190
—
—
3500
3525
3050
3190
—
—
3520
3525
3050
3190
—
—
3520
3525
3050
3190
—
—
3555
3525
VBB
Output Reference
Voltage(2)
10EL 3.57
100EL 3.62
—
—
3.70
3.74
3.62
3.62
—
—
3.73
3.74
3.65
3.62
—
—
3.75
3.74
3.69
3.62
—
—
3.81
3.74
IIH
IIL
Input HIGH Current
—
—
150
—
—
150
—
—
150
—
—
150
µA
µA
Input LOW Current
10EL 0.5
—
—
—
—
0.5
0.5
—
—
—
—
0.5
0.5
—
—
—
—
0.3
0.5
—
—
—
—
100EL 0.5
IEE
Power Supply Current
10EL
100EL
mA
—
—
—
—
66
66
—
—
—
—
66
66
—
—
—
—
66
66
—
—
—
—
66
78
NOTES:
1. Parametric values specified at:
5 volt Power Supply Range 100E111A Series:
10E111A Series
+4.2V to +5.5V.
+4.75V to +5.5V.
2. These values are for VCC = 5V. Level specifications will vary 1:1 with VCC.
3
ClockWorks™
SY10E111A/L
SY100E111A/L
Micrel
AC ELECTRICAL CHARACTERISTICS
VEE = VEE (Min.) to VEE (Max.); VCC = GND
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
tPLH
tPHL
Propagation Delay to Output
IN (differential)(2)
ps
380
280
—
—
680
780
430
330
—
—
630 430
730 330
—
—
630 430
730 330
—
—
630
730
IN (single-ended)(3)
tskew
Within-Device Skew(4)
Part-to-Part Skew (Diff.)
—
—
—
—
75
250
—
—
—
—
50
200
—
—
—
—
50
200
—
—
—
—
50
200
ps
VPP
Minimum Input Swing(5)
Common Mode Range(6)
250
–1.5
200
—
—
—
—
250
—
—
—
—
250
—
—
—
—
250
—
—
—
—
mV
V
VCMR
–0.4 –1.5
650 200
–0.4 –1.5
–0.4 –1.5
–0.4
600
tr
tf
Rise/Fall Times
20% to 80%
600 200
600 200
ps
NOTES:
1. Parametric values specified at:
5 volt Power Supply Range 100E111A Series:
10E111A Series
-4.2V to -5.5V.
-4.75V to -5.5V.
3 volt Power Supply Range 10/100E111L Series: -3.0V to -3.8V.
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. The within-device skew is defined as the worst case difference between any two similar delay paths within a single device.
5. VPP (min) is defined as the minimum input differential voltage which will cause no increase in the propagation delay. The VPP (min) is AC limited for
the E111A/L as a differential input as low as 50mV will still produce full ECL levels at the output.
6. VCMR is defined as the range within the VIH level may vary, with the device still meeting the propagation delay specification. The VIL level must be
such that the peak-to-peak voltage is less than 1.0V and greater than or equal to VPP (min).
For PECL operation: VCMR (max) = VCC – |VCMR (max)| and
VCMR (min) = VCC – |VCMR (min)|
PRODUCT ORDERING CODE
5V
5V
Ordering
Code
Package
Type
Operating
Range
VEE Range
(V)
Ordering
Code
Package
Type
Operating
Range
VEE Range
(V)
SY10E111AJI
J28-1
J28-1
J28-1
J28-1
Industrial
Industrial
Industrial
Industrial
-4.75 to -5.5
-4.75 to -5.5
-4.2 to -5.5
-4.2 to -5.5
SY10E111AJC
J28-1
J28-1
J28-1
J28-1
Commercial -4.75 to -5.5
Commercial -4.75 to -5.5
SY10E111AJITR
SY100E111AJI
SY100E111AJITR
SY10E111AJCTR
SY100E111AJC
SY100E111AJCTR
Commercial
Commercial
-4.2 to -5.5
-4.2 to -5.5
3.3V
3.3V
SY10E111LJC
J28-1
J28-1
J28-1
J28-1
Commercial
Commercial
Commercial
Commercial
-3.0 to -3.8
-3.0 to -3.8
-3.0 to -3.8
-3.0 to -3.8
SY10E111LJI
J28-1
J28-1
J28-1
J28-1
Industrial
Industrial
Industrial
Industrial
-3.0 to -3.8
-3.0 to -3.8
-3.0 to -3.8
-3.0 to -3.8
SY10E111LJCTR
SY100E111LJC
SY100E111LJCTR
SY10E111LJITR
SY100E111LJI
SY100E111LJITR
4
ClockWorks™
SY10E111A/L
SY100E111A/L
Micrel
28 LEAD PLCC (J28-1)
Rev. 03
MICREL-SYNERGY 3250 SCOTT BOULEVARD SANTA CLARA CA 95054 USA
TEL + 1 (408) 980-9191 FAX + 1 (408) 914-7878 WEB http://www.micrel.com
This information is believed to be accurate and reliable, however no responsibility is assumed by Micrel for its use nor for any infringement of patents or
other rights of third parties resulting from its use. No license is granted by implication or otherwise under any patent or patent right of Micrel Inc.
© 2000 Micrel Incorporated
5
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