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100391 Low Power Single Supply Hex TTL-to-PECL Translator
July 1992 Revised August 2000
100391 Low Power Single Supply Hex TTL-to-PECL Translator
General Description
The 100391 is a hex translator for converting TTL logic levels to F100K PECL logic levels. The unique feature of this translator, is the ability to do this translation using only one +5V supply. The differential outputs allow each circuit to be used as an inverting/non-inverting translator, or as a differential line driver. A common enable (E), when LOW, holds all inverting outputs HIGH and all non-inverting inputs LOW. The 100391 is ideal for those mixed PECL/TTL applications which only have +5V supply available. When used in the differential mode, the 100391, due to its high common mode rejection, overcomes voltage gradients between the TTL and PECL ground systems.
Features
s Operates from a single +5V supply s Differential PECL outputs s 2000V ESD protection s Companion chip to 100390 hex PECL-to-TTL translator
Ordering Code:
Order Number 100391SC 100391PC 100391QC 100391QI Package Number M24B N24E V28A V28A Package Description 24-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300 Wide 24-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-010, 0.400 Wide 28-Lead Plastic Lead Chip Carrier (PLCC), JEDEC MO-047, 0.450 Square 28-Lead Plastic Lead Chip Carrier (PLCC), JEDEC MO-047, 0.450 Square Industrial Temperature Range (-40C to +85C)
Devices also available in Tape and Reel. Specify by appending the suffix letter "X" to the ordering code.
Connection Diagrams
24-Pin DIP and SOIC 28-Pin PLCC
Pin Descriptions
Pin Names D0 - D5 Q0 - Q5 Q0 - Q5 E Description Data Inputs (TTL) Data Outputs (PECL) Inverting Data Outputs (PECL) Enable Input (TTL)
(c) 2000 Fairchild Semiconductor Corporation
DS010939
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100391
Logic Symbol
Logic Diagram
Truth Table
Inputs Dn H L H L
H = HIGH Voltage Level L = LOW Voltage Level
Outputs E H H L L Qn H L L L Qn L H H H
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100391
Absolute Maximum Ratings(Note 1)
Storage Temperature (TSTG) Maximum Junction Temperature (TJ) Pin Potential to Ground Pin (VCC) PECL Output Current (DC Output HIGH) TTL Input Voltage (Note 2) TTL Input Current (Note 2) ESD (Last Passing Voltage) (Note 3)
-65C to +150C +150C -0.5V to +7.0V -50 mA -0.5V to +7.0V -30 mA to + 5.0 mA 2000V
Recommended Operating Conditions
Case Temperature (TC) Industrial Commercial Supply Voltage (VCC)
-40C to +85C
0C to +85C 4.5V to 5.5V
Note 1: The "Absolute Maximum Ratings" are those values beyond which the safety of the device cannot be guaranteed. The device should not be operated at these limits. The parametric values defined in the Electrical Characteristics tables are not guaranteed at the absolute maximum rating. The "Recommended Operating Conditions" table will define the conditions for actual device operation. Note 2: Either voltage limit or current limit is sufficient to protect inputs. Note 3: ESD testing conforms to MIL-STD-883, Method 3015.
Commercial Version TTL-to-PECL DC Electrical Characteristics (Note 4)
VCC = +5.0V 10%, GND = 0V, TC = 0C to +85C Symbol VOH VOL VOHC VOLC VIH VIL IIH IIL Parameter Output HIGH Voltage Output LOW Voltage Output HIGH Voltage Corner Point High Output LOW Voltage Corner Point Low Input HIGH Voltage Input LOW Voltage Input LOW Current Breakdown Test Input LOW Current Dn E VFCD ICC Input Clamp Diode Voltage VCC Supply Current -0.8 -4.2 -1.2 32 69 V mA IIN = -18 mA Inputs OPEN mA VIN = +0.5V 2.0 0 Min VCC- 1025 Typ VCC- 955 Max VCC- 870 Units mV mV mV VCC - 1610 5.0 0.8 10 20 mV V V A A Conditions VIN = VIH(max) or VIL (min) Loading with 50 to VCC - 2V VIN = VIH(min) or VIL (max) Loading with 50 to VCC - 2V Over VTTL, VEE, TC Range Over VTTL, VEE, TC Range VIN = +2.7V VIN = +5.5V
VCC- 1890 VCC - 1705 VCC - 1620 VCC - 1035
Note 4: 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.
PDIP AC Electrical Characteristics
VCC = 5.0V 10% Symbol tPLH tPHL tPLH tPHL tTLH tTHL Parameter Propagation Delay Data to Output Propagation Delay Enable to Output Transition Time 20% to 80%, 80% to 20% TC = 0C Min 0.30 0.40 0.35 Max 1.40 1.50 1.70 TC = +25C Min 0.35 0.45 0.35 Max 1.30 1.40 1.70 TC = +85C Min 0.40 0.50 0.35 Max 1.30 1.40 1.70 Units ns ns ns Conditions Figures 1, 2 Figures 1, 2 Figures 1, 2
3
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100391
Commercial Version (Continued) SOIC and PLCC AC Electrical Characteristics
VCC = 5.0V 10% Symbol tPLH tPHL tPLH tPHL tTLH tTHL tOSHL Parameter Propagation Delay Data to Output Propagation Delay Enable to Output Transition Time 20% to 80%, 80% to 20% Maximum Skew Common Edge Output-to-Output Variation Data to Output Path tOSLH Maximum Skew Common Edge Output-to-Output Variation Data to Output Path tOST Maximum Skew Opposite Edge Output-to-Output Variation Data to Output Path tPS Maximum Skew Pin (Signal) Transition Variation Data to Output Path
Note 5: Output-to-Output Skew is defined as the absolute value of the difference between the actual propagation delay for any outputs within the same packaged device. The specifications apply to any outputs switching in the same direction either HIGH-to-LOW (tOSHL) or LOW-to-HIGH (tOSLH), or in opposite directions both HL and LH (tOST). Parameters tOST and tPS guaranteed by design.
TC = 0C Min 0.30 0.40 0.35 Max 1.40 1.50 1.70
TC = +25C Min 0.35 0.45 0.35 Max 1.30 1.40 1.70
TC = +85C Min 0.40 0.50 0.35 Max 1.30 1.40 1.70
Units ns ns ns
Conditions
Figures 1, 2
750
750
750
ps
PLCC Only (Note 5)
700
700
700
ps
PLCC Only (Note 5)
450
450
450
ps
PLCC Only (Note 5)
525
525
525
ps
PLCC Only (Note 5)
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100391
Industrial Version PLCC DC Electrical Characteristics (Note 6)
VCC = +5.0V 10%, GND = 0V Symbol VOH VOL VOHC VOLC VIH VIL VIH IIL Parameter Output HIGH Voltage Output LOW Voltage Output HIGH Voltage Output LOW Voltage Input HIGH Voltage Input LOW Voltage Input HIGH Current Breakdown Test Input LOW Current Dn E VFCD ICC Input Clamp Diode Voltage VCC Supply Current -0.8 -4.2 -1.2 29 69 -0.8 -4.2 -1.2 29 69 V mA IIN = -18 mA Inputs OPEN mV VIN = +0.5V 2.0 0 TC = -40C Min VCC- 1085 VCC - 1095 VCC - 1565 5.0 0.8 10 20 2.0 0 Max TC = 0C to +85C Min Max Units mV mV mV VCC - 1610 5.0 0.8 10 20 mV V V A A VIN = +2.7V VIN = +5.5V Conditions VIN = VIH(max) or VIL (min) Loading with 50 to VCC - 2V VIN = VIH(min) or VIL(max) Loading with 50 to VCC - 2V
VCC - 870 VCC - 1025 VCC - 870 VCC - 1035
VCC - 1830 VCC - 1575 VCC - 1830 VCC - 1620
Note 6: 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.
PLCC AC Electrical Characteristics
VCC = +5.0V 10%, GND = 0V Symbol tPLH tPHL tPLH tPHL tTLH tTHL Parameter Propagation Delay Data to Output Propagation Delay Enable to Output Transition Time 20% to 80%, 80% to 20% TC = -40C Min 0.20 0.35 0.35 Max 1.50 1.60 1.70 TC = +25C Min 0.35 0.45 0.35 Max 1.30 1.40 1.70 TC = +85C Min 0.40 0.50 0.35 Max 1.30 1.40 1.70 ns ns ns Figures 1, 2 Units Conditions
5
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100391
Switching Waveforms
FIGURE 1. Propagation Delay, Cut-Off and Transition Times
Test Circuit
FIGURE 2. AC Test Circuit Notes: VCC = VCCA = +2V, GNDPECL = GNGTTL = 30.V VIH = 0V, VIL = -3V L1, L2 and L3 = equal length 50 impedance lines RT = 50 terminator internal to scope Decoupling 0.1 F from GND to VCC, VEE and VTTL All unused outputs are loaded with 50 to GND CL = Fixture and stray capacitance 3 pF
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Physical Dimensions inches (millimeters) unless otherwise noted
28-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300 Wide Package Number M24B
24-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-010, 0.400 Wide Package Number N24E
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100391 Low Power Single Supply Hex TTL-to-PECL Translator
Physical Dimensions inches (millimeters) unless otherwise noted (Continued)
28-Lead Plastic Lead Chip Carrier (PLCC), JEDEC MO-047, 0.450 Square Package Number V28A
Fairchild does not assume any responsibility for use of any circuitry described, no circuit patent licenses are implied and Fairchild reserves the right at any time without notice to change said circuitry and specifications. LIFE SUPPORT POLICY FAIRCHILD'S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF FAIRCHILD SEMICONDUCTOR CORPORATION. As used herein: 1. Life support devices or systems are devices or systems which, (a) are intended for surgical implant into the body, or (b) support or sustain life, and (c) whose failure to perform when properly used in accordance with instructions for use provided in the labeling, can be reasonably expected to result in a significant injury to the user. www.fairchildsemi.com 8 2. A critical component in any component of a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system, or to affect its safety or effectiveness. www.fairchildsemi.com

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