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SY100S391_07 [MICREL]

LOW-POWER HEX TTL-TO-PECL TRANSLATOR; 低功耗HEX TTL - TO- PECL译者
SY100S391_07
型号： SY100S391_07
厂家： MICREL SEMICONDUCTOR    MICREL SEMICONDUCTOR
描述：

LOW-POWER HEX TTL-TO-PECL TRANSLATOR
低功耗HEX TTL - TO- PECL译者
文件： 总6页 (文件大小：75K)
中文：  中文翻译
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LOW-POWER  
SY100S391  
HEXTTL-TO-PECL  
TRANSLATOR  
FEATURES  
DESCRIPTION  
The SY100S391 is a hex TTL-to-PECL translator for  
converting TTL logic levels to 100K logic levels. The unique  
feature of this translator is the ability to do this translation  
using only one +5V supply. The differential outputs allow  
eachcircuittobeusedasaninverting/non-invertingtranslator,  
or as a differential line driver. A common enable (E), when  
LOW, holds all inverting outputs HIGH and all non-inverting  
inputs LOW.  
■ Operates from a single +5V supply  
■ Differential PECL outputs  
■ Function and pinout compatible with Fairchild F100K  
■ Available in 28-pin PLCC packages  
The SY100S391 is ideal for those mixed PECL/TTL  
applications which only have a +5V supply available. When  
used in the differential mode, the S391, due to its high  
common mode rejection, overcomes voltage gradients  
between the TTL and PECL ground systems.  
BLOCK DIAGRAM  
E
Q
Q
0
0
D0  
PIN NAMES  
Q
Q
1
1
Pin  
D0 — D5  
Q0 — Q5  
Q0 — Q5  
E
Function  
Data Inputs (TTL)  
D1  
D2  
D3  
D4  
D5  
Q
Q
2
2
Data Outputs (PECL)  
Inverting Data Outputs (PECL)  
Enable Input (TTL)  
Q
Q
3
3
VCCA  
VCCO for ECL Outputs  
Q
Q
4
4
Q
Q
5
5
Rev.: I  
Amendment:/0  
M9999-042307  
hbwhelp@micrel.com or (408) 955-1690  
1
Issue Date: April 2007  
SY100S391  
Micrel, Inc.  
PACKAGE/ORDERING INFORMATION  
Ordering Information  
Package Operating  
Package  
Marking  
Lead  
Finish  
Part Number  
Type  
Range  
11 10  
9 8 7 6 5  
D
2
12  
13  
14  
15  
16  
17  
18  
4
3
Q
Q
2
2
SY100S391JC  
J28-1  
Commercial  
SY100S391JC  
SY100S391JC  
Sn-Pb  
Sn-Pb  
GND TTL  
GND PECL  
GNDS  
SY100S391JCTR(1)  
SY100S391JZ(2)  
J28-1  
J28-1  
Commercial  
Commercial  
2
V
V
V
CCA  
Top View  
PLCC  
J28-1  
1
CC  
SY100S391JZ with  
Pb-Free bar-line indicator  
Matte-Sn  
GND PECL  
E
28  
27  
26  
CC  
Q
Q
3
3
SY100S391JZTR(1, 2)  
J28-1  
Commercial  
SY100S391JZ with  
Matte-Sn  
D
3
Pb-Free bar-line indicator  
19 20 21 22 23 24 25  
Notes:  
1. Tape and Reel.  
2. Pb-Free package is recommended for new designs.  
28-Pin PLCC (J28-1)  
LOGIC SYMBOL  
TRUTH TABLE  
Inputs  
Outputs  
D
0
D
1
D
2
D
3
D
4
D5  
Dn  
H
L
E
Qn  
H
L
Qn  
L
H
H
L
E
Q
0
Q
0
Q
1
Q
1
Q
2
Q
2
Q
3
Q
3
Q
4
Q
4
Q5 Q5  
H
H
L
L
H
L
L
H
Note:  
1. H = High Voltage Level, L = Low Voltage Level  
M9999-042307  
hbwhelp@micrel.com or (408) 955-1690  
2
SY100S391  
Micrel, Inc.  
GUARANTEED OPERATING CONDITIONS(1)  
ABSOLUTE MAXIMUM RATINGS(1)  
Symbol  
Rating  
Value  
Unit  
Symbol  
Rating  
TTL Input Voltage(2)  
TTL Input Current(2)  
Value  
–0.5 to +7.0  
–30 to +5.0  
–50  
Unit  
V
TA  
Operating Temperature  
Commercial  
0 to +85  
˚C  
—
—
—
V
VCC  
Supply Voltage  
+4.5 to +5.5  
V
PECL Output Current  
(DC Output HIGH)  
V
Note:  
1. Do not exceed.  
—
VCC Pin Potential to Ground Pin –0.5 to +7.0  
V
Tstore  
TJ  
Storage Temperature  
–65 to +150  
˚C  
˚C  
Max. Junction Temp.  
Ceramic  
+175  
+150  
Plastic  
Notes:  
1. Permanent device damage may occur if absolute maximum ratings are  
exceeded. This is a stress rating only and functional operation is not implied  
atconditionsotherthanthosedetailedintheoperationalsectionsofthisdata  
sheet. Exposure to absolute maximum ratlng conditions for extended  
periods may affect device reliability.  
2. Either voltage limit or current limit is siffucient to protect inputs.  
TTL-TO-PECL DC ELECTRICAL CHARACTERISTICS(1)  
VCC = +5.0V ± 10%; GND = 0V  
Symbol  
Parameter  
Min.  
Typ.  
Max.  
Unit  
Condition  
VOH  
VOL  
Output HIGH Voltage  
Output LOW Voltage  
VCC –1025  
VCC –1890  
VCC –955  
VCC –870  
mV  
VIN = VIH (Max.) or VIL (Min.)  
VCC –1705  
VCC –1620  
Loading with 50Ω to VCC –2V  
VOHC  
Output HIGH Voltage  
Corner Point High  
VCC –1035  
—
—
mV  
mV  
VIN = VIH (Min.) or VIL (Max.)  
Loading with 50Ω to VCC –2V  
VOLC  
Output LOW Voltage  
Corner Point Low  
—
—
VCC –1610  
VIH  
VIL  
IIH  
Input HIGH Voltage  
Input LOW Voltage  
Input HIGH Current  
Breakdown Current  
Input LOW Current  
2.0  
0
—
—
—
—
—
5.0  
0.8  
10  
V
V
Over VTTL, VEE, TA Range  
Over VTTL, VEE, TA Range  
VIN = +2.7V  
—
—
—
µA  
µA  
mA  
100  
VIN = +5.5V, VCC = Max.  
VIN = +0.5V  
IIL  
Dn  
E
–0.8  
–4.2  
VCD  
ICC  
Input Clamp Diode Voltage  
VCC Supply Current  
—
—
—
–1.2  
V
IIN = –18mA  
25  
69  
mA  
Inputs Open  
Note:  
1. The specified limits represent the "worst case" value for the parameter. Since these values normally occur at the temperature extremes, additional noise  
immunity and guardbanding can be achieved by decreasing the allowable system operating ranges. Conditions for testing shown in the tables are chosen  
to guarantee operation under "worst case" conditions.  
AC ELECTRICAL CHARACTERISTICS  
VCC = +5.0V ± 10%  
TA = 0°C  
TA = +25°C  
TA = +85°C  
Symbol  
Parameter  
Propagation Delay  
Min.  
Max.  
Min.  
Max.  
Min.  
Max.  
Unit  
Condition  
tPLH  
tPHL  
400  
1400  
400  
1400  
400  
1400  
ps  
Data and Enable to Output  
tTLH  
tTHL  
Transition Time  
20% to 80%, 80% to 20%  
350  
1700  
350  
1700  
350  
1700  
ps  
M9999-042307  
hbwhelp@micrel.com or (408) 955-1690  
3
SY100S391  
Micrel, Inc.  
TIMING DIAGRAM  
2.5 ± 0.3ns  
2.5 ± 0.3ns  
3.0V  
1.5V  
90%  
50%  
10%  
INPUT  
t
PLH  
t
t
PHL  
PLH  
COMPLEMENT  
50%  
t
PHL  
OUTPUT  
80%  
50%  
20%  
TRUE  
t
THL  
t
TLH  
Propagation Delay and Transition Times  
M9999-042307  
hbwhelp@micrel.com or (408) 955-1690  
4
SY100S391  
Micrel, Inc.  
TEST CIRCUIT  
VIH  
GNDTTL  
0.1µF  
0.1µF  
0.1µF  
L1  
L2  
S/H  
RT  
SCOPE  
CHAN A  
50  
RT  
100  
PECL  
TERMINATOR  
NET  
–4V  
L3  
PULSE  
GENERATOR  
0.1µF  
2.5µF  
VCC  
GNDPECL  
M9999-042307  
hbwhelp@micrel.com or (408) 955-1690  
5
SY100S391  
Micrel, Inc.  
28-PIN PLCC (J28-1)  
Rev. 03  
MICREL, INC. 2180 FORTUNE DRIVE SAN JOSE, CA 95131 USA  
TEL + 1 (408) 944-0800 FAX + 1 (408) 474-1000 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.  
© 2006 Micrel, Incorporated.  
M9999-042307  
hbwhelp@micrel.com or (408) 955-1690  
6

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