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MOTOROLA
SEMICONDUCTOR TECHNICAL DATA
Differential ECL to TTL Translator
The MC10ELT/100ELT25 is a differential ECL to TTL translator. Because ECL levels are used a +5V, -5.2V (or -4.5V) and ground are required. The small outline 8-lead SOIC package and the single gate of the ELT25 makes it ideal for those applications where space, performance and low power are at a premium. Because the mature MOSAIC 1.5 process is used, low cost can be added to the list of features. The VBB output allows the ELT25 to also be used in a single-ended input mode. In this mode the VBB output is tied to the IN input for a non-inverting buffer or the IN input for an inverting buffer. If used the VBB pin should be bypassed to ground via a 0.01F capacitor. The ELT25 is available in both ECL standards: the 10ELT is compatible with MECL 10H logic levels while the 100ELT is compatible with ECL 100K logic levels.
MC10ELT25 MC100ELT25
8 1
* * * * *
2.6ns Typical Propagation Delay Differential ECL Inputs Small Outline SOIC Package 24mA TTL Outputs Flow Through Pinouts
D SUFFIX PLASTIC SOIC PACKAGE CASE 751-05
LOGIC DIAGRAM AND PINOUT ASSIGNMENT
VEE 1 TTL ECL D0 3
8
VCC
PIN D Q VCC VEE VBB GND
PIN DESCRIPTION FUNCTION Diff ECL Inputs TTL Output Positive Supply Negative Supply Reference Output Ground
D0
2
7
Q0
6
NC
VBB
4
5
GND
1/95
(c) Motorola, Inc. 1996
3-1
REV 2
MC10ELT25 MC100ELT25
MAXIMUM RATINGS*
Symbol VCC VEE VIN IOUT TA TSTG Parameter DC Supply Voltage (Referenced to GND, VEE = -5.2) DC Supply Voltage (Referenced to GND, VCC = 5.0) Input Voltage Current Applied to Output in Low Output State Operating Temperature Range (In Free-Air) Storage Temperature Range Continuous Surge Value 7.0 -8.0 0 to VCC 50 100 -40 to 85 -55 to +150 Unit V V V mA C C
* Maximum Ratings are those values beyond which damage to the device may occur. Functional operation should be restricted to the Recommended Operating Conditions.
TTL OUTPUT DC CHARACTERISTICS (VCC = 4.5V to 5.5V; VEE = -4.2V to -5.5V 100ELT, -4.94V to -5.5V 10ELT; TA = -40C to 85C)
Symbol VOH VOL ICCH ICCL IEE IOS Characteristic Output HIGH Voltage Output LOW Voltage Power Supply Current Power Supply Current Power Supply Current Output Short Circuit Current -150 11 13 15 Min 2.4 0.5 16 18 21 -60 Typ Max Unit V V mA mA mA mA Condition IOH = -3.0mA IOL = 24mA
ECL INPUT DC CHARACTERISTICS
(VCC = 4.5V to 5.5V; VEE = -4.2V to -5.5V 100ELT, -4.94V to -5.5V 10ELT; TA = -40C to 85C)
-40C 0C Min Max
150 0.5 VCC VEE + 2.2 200 -890 -880 -1500 -1475 -1.30 -1.26 -1170 -1165 -1950 -1810 -1.38 -1.38 -840 -880 -1480 -1475 -1.27 -1.26 VCC 0.5 VEE + 2.2 200 -1130 -1165 -1950 -1810 -1.35 -1.38 -810 -880 -1480 -1475 -1.25 -1.26 VCC
25C Min Typ Max
150 0.5
85C Min Max
150
Symbol
IIH IIL VCMR VPP VIH VIL VBB
Characteristic
Input HIGH Current Input LOW Current Common Mode Range Minimum Peak-to-Peak Input1 Input HIGH Voltage 10ELT 100ELT Input LOW Voltage 10ELT 100ELT Reference Output 10ELT 100ELT
Min
Max
150
Unit
A A
Condition
0.5 VEE + 2.2 200 -1230 -1165 -1950 -1810 -1.43 -1.38
VEE + 2.2 200 -1060 -1165 -1950 -1810 -1.31 -1.38
VCC
V mV
-720 -880 -1445 -1475 -1.19 -1.26
V V V
1. 200mV input guarantees full logic swing at the output.
AC CHARACTERISTICS (VCC = 4.5V to 5.5V; VEE = -4.2V to -5.5V 100ELT, -4.94V to -5.5V 10ELT; TA = -40C to 85C)
-40C Symbol tPLH tPHL Characteristic Propagation Delay Propagation Delay Min 1.7 2.6 Max 3.6 4.1 Min 1.7 2.6 0C Max 3.6 4.1 Min 1.7 2.6 25C Typ Max 3.6 4.1 85C Min 1.7 2.6 Max 3.6 4.1 Unit ns ns Condition CL = 20pF CL = 20pF
MOTOROLA
3-2
ECLinPS and ECLinPS Lite DL140 -- Rev 3
MC10ELT25 MC100ELT25
OUTLINE DIMENSIONS
D SUFFIX PLASTIC SOIC PACKAGE CASE 751-05 ISSUE P
-A- B
M 8 5 X 45 _
J
1 4
4X
-B-
M_ G F
NOTES: 1. DIMENSIONS A AND B ARE DATUMS AND T IS A DATUM SURFACE. 2. DIMENSIONING AND TOLERANCING PER ANSI Y14.5M, 1982. 3. DIMENSIONS ARE IN MILLIMETER. 4. DIMENSION A AND B DO NOT INCLUDE MOLD PROTRUSION. 5. MAXIMUM MOLD PROTRUSION 0.15 PER SIDE. 6. DIMENSION D DOES NOT INCLUDE MOLD PROTRUSION. ALLOWABLE DAMBAR PROTRUSION SHALL BE 0.127 TOTAL IN EXCESS OF THE D DIMENSION AT MAXIMUM MATERIAL CONDITION. DIM A B C D F G J K M P R MILLIMETERS MIN MAX 4.80 5.00 3.80 4.00 1.35 1.75 0.35 0.49 0.40 1.25 1.27 BSC 0.18 0.25 0.10 0.25 0_ 7_ 5.80 6.20 0.25 0.50
P
0.25 (0.010)
M
-T-
8X
C
SEATING PLANE
D 0.25 (0.010)
M
K
TB
S
A
S
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R
JAPAN: Nippon Motorola Ltd.; Tatsumi-SPD-JLDC, 6F Seibu-Butsuryu-Center, 3-14-2 Tatsumi Koto-Ku, Tokyo 135, Japan. 03-81-3521-8315 ASIA/PACIFIC: Motorola Semiconductors H.K. Ltd.; 8B Tai Ping Industrial Park, 51 Ting Kok Road, Tai Po, N.T., Hong Kong. 852-26629298
ECLinPS and ECLinPS Lite DL140 -- Rev 3 3-3
*MC10ELT25/D*
MC10ELT25/D MOTOROLA

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