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Micrel, Inc.
8-INPUT PECL DIFFERENTIAL MUX WITH TTL SELECTS
DESCRIPTION
SY100S863
SY100S863
FEATURES
s Low skew s Differential PECL inputs s Differential cut-off PECL outputs capable of driving 25 load for driving data bus s Tri-state TTL output s TTL select and enable input s Internal 75K PECL input pull-down resistors s PECL I/O fully compatible with industry standard s Available in 28-pin PLCC package
The SY100S863 is a PECL 8:1 multiplexer designed for use in new, high-performance PECL systems. It has differential PECL outputs and a standard TTL output. The TTL select inputs (SEL0, SEL1, SEL2) determine which one of the eight differential PECL data inputs (D0-D7) is propagated to the outputs. The enable pin, EN, is provided for expansion. When EN is at a TTL logic one level, both PECL and TTL outputs are enabled. When the enable pin is set to TTL logic zero level, both PECL outputs of the differential pair are in cut-off and the TTL output is in a three-state condition.
BLOCK DIAGRAM
D0 (4) D0 (5) D1 (6) D1 (7) D2 (8) D2 (9) D3 (10) D3 (11) D4 (27) D4 (26) D5 (25) D5 (24) D6 (23) D6 (22) D7 (21) D7 (20)
PIN NAMES
Pin D0, /D0 - D7, /D7 Q, /Q QTTL
(17) Q (18) Q 8:1 MUX (13) QTTL
Function Differential PECL Input Pairs Differential PECL Outputs TTL Output Enable Input Select Inputs
8 DIFFERENTIAL PECL INPUTS
EN SEL0,1,2
EN (15)
SEL0 (28)
SEL1 (2)
TTL INPUTS
SEL2 (3)
M9999-032406 hbwhelp@micrel.com or (408) 955-1690
Rev.: G
Amendment: /0
1
Issue Date: March 2006
Micrel, Inc.
SY100S863
PACKAGE/ORDERING INFORMATION
D7 VCCO
Ordering Information
Part Number Package Type J28-1 J28-1 J28-1 J28-1 Operating Range Commercial Commercial Commercial Commercial Package Marking SY100S863JC SY100S863JC SY100S863JZ with Pb-Free bar-line indicator SY100S863JZ with Pb-Free bar-line indicator Lead Finish Sn-Pb Sn-Pb Matte-Sn Matte-Sn
D5
D5 D6
25 24 23 22 21 20 19
D6 D7
D4 D4 SEL0 VEE SEL1 SEL2 D0
26 27 28 1 2 3 4 5 6 7 8 9 10 11
18 17 16
Q Q VCC EN VCCT QTTL VGT
SY100S863JC SY100S863JCTR(1) SY100S863JZ(2) SY100S863JZTR(1, 2)
Notes:
TOP VIEW PLCC J28-1
15 14 13 12
D0 D1
D1 D2
D2 D3
D3
1. Tape and Reel. 2. Pb-Free package is recommended for new designs.
28-Pin PLCC (J28-1)
M9999-032406 hbwhelp@micrel.com or (408) 955-1690
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Micrel, Inc.
SY100S863
TRUTH TABLE
EN H H H H H H H H L SEL2 L L L L H H H H X SEL1 L L H H L L H H X SEL0 L H L H L H L H X Q D0 D1 D2 D3 D4 D5 D6 D7 Z QTTL D0 D1 D2 D3 D4 D5 D6 D7 Z
PECL DC ELECTRICAL CHARACTERISTICS
VCC = VCCO = VCCT = 5.0V 5%; VEE = VGT = GND
Symbol VOH VOL VOZ VIH VIL IIH IIL ICC Parameter Output HIGH Voltage Output LOW Voltage Cutoff Voltage(1) Input HIGH Voltage Input LOW Voltage Input HIGH Current Input LOW Current VCC Supply Current
(1)
Min. 3.975 3.17 -- 3.835 3.17 -- 0.50 --
Typ. 4.045 3.295 3 -- -- -- -- 73
Max. 4.13 3.38 3.10 4.13 3.525 350 -- 88
Unit V V V V V A A mA
Condition Loading with 25 to 3V (VCC-2V) Loading with 25 to 3V (VCC-2V) Loading with 25 to 3V (VCC-2V)
(1)
VIN = VIH (Max.) VIN = VIL (Min.)
Note: 1. Levels shown are for VCCO = 5.0V and will vary 1:1 with powers.
TTL DC ELECTRICAL CHARACTERISTICS
VCC = VCCO = VCCT = 5.0V 5%; VEE = VGT = GND
Symbol VOH VOL VIH VIL IIH IIL VIK IOS IOZHT IOZLT Parameter Output HIGH Voltage Output LOW Voltage Input HIGH Voltage Input LOW Voltage Input HIGH Current Input LOW Current Input Clamp Voltage Output Short Circuit Current Tri-state Current Output HIGH Tri-state Current Output LOW Min. 2.4 -- 2.0 0 -- -0.7 -1.2 -200 -- -700 Typ. 2.9 0.3 -- -- -- -- -- -- -- -- Max. -- 0.5 VCC 0.8 1.0 -- -- -60 70 -- Unit V V V V mA mA V mA A A VIN = 2.7V VIN = 0.5V IIN = -18mA VOUT = 0V, VCCT = 5.5V VOUT = 2.7V VOUT = 0.5V Condition IOH = -3mA IOL = 24mA
M9999-032406 hbwhelp@micrel.com or (408) 955-1690
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Micrel, Inc.
SY100S863
PECL AC ELECTRICAL CHARACTERISTICS
VCC = VCCO = +5.0V 5%; VEE = VGT = GND
TA = 0C Symbol tPLH tPHL Parameter Propagation D to Q SEL0 to Q SEL1 to Q SEL2 to Q Delay(1),(2) 500 300 300 300 300 -- 300 -- -- -- -- -- 1300 400 900 2000 1750 1500 1750 300 600 500 300 300 300 300 -- 300 -- -- -- -- -- 1300 400 900 2000 1750 1500 1750 300 600 500 300 300 300 300 -- 300 -- -- -- -- -- 1300 400 600 ps 900 2000 1750 1500 1750 ps Min. Typ. Max. TA = +25C Min. Typ. Max. TA = +85C Min. Typ. Max. Unit ps Condition
tPZH tPHZ tr tf
EN to Q(3) (Cutoff to HIGH) EN to Q(3)300 (HIGH to Cutoff) Output Rise/Fall Times(2) 20% to 80%
Notes: 1. Part-to-part skew is defined as Max. - Min. value at the given temperature. 2. RL = 50 3. Figures 1 and 2
TTL AC ELECTRICAL CHARACTERISTICS
VCC = VCCO = 5V 5%; VEE = VGT = GND
TA = 0C Symbol tPLH tPHL Parameter Propagation D to QTTL SEL0 to QTTL SEL1 to QTTL SEL2 to QTTL Delay(1)(2) 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 0.3 -- -- -- -- -- -- -- -- -- 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 1.6 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 0.3 -- -- -- -- -- -- -- -- -- 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 1.6 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 0.3 -- -- -- -- -- -- -- -- -- 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 1.6 ns ns ns Min. Typ. Max. TA = +25C Min. Typ. Max. TA = +85C Min. Typ. Max. Unit ns Condition
tPZH tPZL tPHZ tPLZ tr tf
EN to TTL Output(2) (Enable Time) EN to TTL Output(2) (Disable Time) Output Rise/Fall Time(3) 0.8V to 2.4V 0.8Vto 2.0V
Notes: 1. Part-to-part skew is defined as Max. - Min. value at the given temperature. 2. Figures 3 and 4 3. CL = 25pF
M9999-032406 hbwhelp@micrel.com or (408) 955-1690
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Micrel, Inc.
SY100S863
PECL-TO-PECL TEST CIRCUITRY
VCC, VCCT & VCCO 2V -3V PULSE GENERATOR 0.1 0.1 VEE, VGT D Q 50
DUT Q QTTL EN CH C STTL RT 50 450
FTTL
0V -3V
USE OSCILLOSCOPE INTERNAL 50 LOAD FOR TERMINATION.
CH A OSCILLOSCOPE
CH B
Figure 1. PECL-to-PECL AC Test Circuit
PECL-TO-PECL SWITCHING WAVEFORMS
PECL DATA
ENABLE VOH = 4.1V PECL OUTPUT tPD VOL = 3.3V tPHZ VOZ = 3V tPZH
Figure 2. PECL-to-PECL Transition -- Propagation Delay and Transition Times
M9999-032406 hbwhelp@micrel.com or (408) 955-1690
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Micrel, Inc.
SY100S863
PECL-TO-TTL TEST CIRCUITRY
VCC, VCCT & VCCO 5V 0.1
VEE, VGT PULSE GENERATOR D Q
7V
LZ/ZL Three-State Pull-up
DUT Q QTTL EN CH C STTL RT 50 450
500 450 50pF FTTL
-3V 0V
USE OSCILLOSCOPE INTERNAL 50 LOAD FOR TERMINATION.
CH A OSCILLOSCOPE
CH B
Figure 3. PECL-to-TTL AC Test Circuit
M9999-032406 hbwhelp@micrel.com or (408) 955-1690
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Micrel, Inc.
SY100S863
PECL-TO-TTL SWITCHING WAVEFORMS
3V 1.5V PECL DATA 0V 1.5V
1.5V TTL OUTPUT tPLH tPHL
1.5V
Figure 4a. PECL-to-TTL Transition, Data to TTL Output Delay
3V EN 1.5V 0V tPZH 1.5V TTL OUTPUT TTL OUTPUT 1.5V tPZL
Figure 4b. EN to TTL Output Enable and Disable Times
1.5V
tPHZ 0.3V
VOH
tPLZ 0.3V VOL
M9999-032406 hbwhelp@micrel.com or (408) 955-1690
7
Micrel, Inc.
SY100S863
28-PIN PLCC (J28-1)
Rev. 03
MICREL, INC. 2180 FORTUNE DRIVE SAN JOSE, CA 95131
TEL
USA
+ 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. (c) 2006 Micrel, Incorporated. M9999-032406 hbwhelp@micrel.com or (408) 955-1690
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