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 NE521 High-Speed Dual-Differential Comparator/Sense Amp
Features
* * * *
TTL-Compatible Strobes and Outputs Large Common-Mode Input Voltage Range Operates from Standard Supply Voltages Pb-Free Packages are Available
http://onsemi.com MARKING DIAGRAMS
14 1 SOIC-14 D SUFFIX CASE 751A 1 NE521G AWLYWW
Applications
* MOS Memory Sense Amp * A-to-D Conversion * High-Speed Line Receiver
MAXIMUM RATINGS
Rating Supply Voltage Positive Negative Differential Input Voltage Input Voltage Common Mode Strobe/Gate Maximum Power Dissipation (Note 1) TA = 25C (Still-Air) N Package D Package Thermal Resistance, Junction-to-Ambient N Package D Package Operating Temperature Range Storage Temperature Range Operating Junction Temperature Lead Soldering Temperature (10 sec max) Symbol V+ V- VIDR VIN Value +7.0 -7.0 "6.0 "5.0 +5.25 Unit V
14 1 PDIP-14 N SUFFIX CASE 646 1 NE521N AWLYYWWG
V V A WL Y, YY WW G = Assembly Location = Wafer Lot = Year = Work Week = Pb-Free Package
PD 1420 1040 RqJA 100 145 0 to 70 -65 to +150 150 +230
mW
C/W
PIN CONNECTIONS
D, N Packages
TA Tstg TJ Tsld
C C C C
INPUT 1A INPUT 1B NC OUTPUT 1Y STROBE 1G STROBE S GROUND
1 2 3 4 5 6 7
14 13 12 11 10 9 8
V+ V- INPUT 2A INPUT 2B NC OUTPUT 2Y STROBE 2G
Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect device reliability. 1. Derate above 25C at the following rates: N package at 10 mW/C D package at 6.9 mW/C.
(Top View)
ORDERING INFORMATION
See detailed ordering and shipping information in the package dimensions section on page 5 of this data sheet.
(c) Semiconductor Components Industries, LLC, 2006
October, 2006 - Rev. 4
1
Publication Order Number: NE521/D
NE521
LOGIC FUNCTION TABLE
VID (A+, B) VID v -VOS -VOS < VID < VOS VID w VOS X X Strobe S H H H L X Strobe G H H H X L Output (Y) L Undefined H H H
INPUT 1A INPUT 1B
(1) (2) (12) INPUT 2A (11) INPUT 2B (9) (8)
OUTPUT 1Y STROBE 1G STROBE S
(4) (5) (6)
OUTPUT 3Y STROBE 2G
Figure 1. Block Diagram
14
V+ R2 R1 R17 R20 R21 R25
Q4 - D7
Q3
Q25 R16 D6 Q6 Q7 Q5 5 6 Q26
Q30 Q29 R24 4
2 1
Q2
Q1
+ Q9 R4 Q10 Q8 Q13 Q11 R14 D2 D1 R22 R23 Q27
Q28
13
V- R8 Q16 Q18 R10
R5 R7
R3
R15
R6
7 R9 Q19 D3 R28 Q36 R29 Q35 Q15 Q14 D4 D5 Q22 Q23 Q24 R18 Q31 8 Q32 R30 Q34 Q32
Q17
12 11
+ -
9
Q20
Q21
R12 V+
R11
R19
R26
R27
R34
Figure 2. Equivalent Schematic
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2
NE521
DC ELECTRICAL CHARACTERISTICS (V+ = +5.0 V; V- = -5.0 V, TA = 0C to +70C, unless otherwise noted.)
Limits Characteristic Input Offset Voltage At 25C Overtemperature Range Input Bias Current At 25C Overtemperature Range Input Offset Current At 25C Overtemperature Range Common-Mode Voltage Range Input Current High Test Conditions V+ = +4.75 V; V- = -4.75 V Symbol VOS Min - - - - - - -3.0 Typ 6.0 - 7.5 - 1.0 - - Max 7.5 10 20 40 5.0 12 +3.0 Unit mV
V+ = +5.25 V; V- = -5.25 V
IBIAS
mA
V+ = +5.25 V; V- = -5.25 V
IOS
mA
V+ = +4.75 V; V- = -4.75 V V+ = +5.25 V; V- = -5.25 V VIH = 2.7 V 1G or 2G Strobe Common Strobe S VIL = 0.5 V 1G or 2G Strobe Common Strobe S VI(S) = 2.0 V V+ = +4.75 V; V- = -4.75 V; ILOAD = -1.0 mA V+ = +5.25 V; V- = -5.25 V; ILOAD = 20 mA - V+ = +5.25 V; V- = -5.25 V; TA = 25C -
VCM IIH
V mA
- - IIL - - 2.7
- - - - 3.4
50 100 -2.0 -4.0 mA
Input Current Low Output Voltage High Low Supply Voltage Positive Negative Supply Current Positive Negative Short-Circuit Output Current
VOH VOL
V 0.5 V
V+ V- ICC+ ICC- ISC
4.75 -4.75 - - -40
5.0 -5.0 27 -15 -
5.25 -5.25 35 -28 -100 mA
mA
AC ELECTRICAL CHARACTERISTICS (TA = 25C; RL = 280 W; CL = 15 pF, V+ = 5.0 V; V- = 5.0 V, guaranteed by characterization)
Limits Characteristic Large-Signal Switching Speed Propagation Delay Low to High (Note 2) High to Low (Note 2) Low to High (Note 3) High to Low (Note 3) Max. Operating Frequency ns Amp Amp Strobe Strobe - Output Output Output Output - tPLH(D) tPHL(D) tPLH(S) tPHL(S) fMAX - - - - 40 9.6 8.2 4.8 3.9 55 12 9.0 10 6.0 - MHz From Input To Output Symbol Min Typ Max Unit
2. Response time measured from 0 V point of "100 mVP-P 10 MHz square wave to the 1.5 V point of the output. 3. Response time measured from 1.5 V point of input to 1.5 V point of the output.
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3
NE521
TYPICAL PERFORMANCE CHARACTERISTICS
OUTPUT VOLTAGE (V) OUTPUT VOLTAGE (V)
4 3 2 1 0 20mV 100mV
VS = +5V TA = 25oC
4 3 2 1 0 50mV 100mV 5mV 10mV
TA = 25oC VS = +5V
12 10 8 6 4 2 TPD (LH)
5mV 10mV
TESPONSE TIME (ns)
INPUT VOLTAGE (mV)
INPUT VOLTAGE (mV)
TPD (HL)
100 50 0 0 5 10 15 20 25 30
100 50 0 0 5 10 15 20 25 30
60
20
-20
+60
+100
+140
TIME -- nS
TIME -- nS
AMBIENT TEMPERATURE (oC)
Figure 3. Response Time for Various Input Overdrives
20 VS = +5V 10MHz SQUARE WAVE INPUT TA = 25oC TPD (LH) 18 PROPAGATION DELAY (ns) 16 14 12 10 8 6 4 2 10 20 30 40 50 60 70 100
Figure 4. Response Time for Various Input Overdrives
4.0 VS = +5V 10MHz SQUARE WAVE INPUT TA = 25oC
Figure 5. Response Time vs. Temperature
12 PROPAGATION DELAY (ns)
VOH OUTPUT VOLTAGE (V) 3.0
10
8 TPD (HL) 6
TPD (LH) TPD (HL)
2.0
1.0 VOL
1000 INPUT VOLTAGE (m Vp-p)
-75
-25
+25
+75
o
+125
INPUT VOLTAGE (mVp-p)
AMBIENT TEMPERATURE ( C)
Figure 6. Propagation Delay for Various Input Voltages
12 11 INPT BIAS CURRENT ( A) 10 9 8 7 6
Figure 7. Propagation Delay for Various Input Voltages
1.1 1.0 0.9 0.8 0.7 0.6 0.5
Figure 8. Output Voltage vs. Ambient Temperature
INPUT OFSET CURRENT ( A)
-75
-25 +25 +75 AMBIENT TEMPERATURE (oC)
+125
-75
-25
+25
+75
+125
AMBIENT TEMPERATURES (oC)
Figure 9. Input Bias Current vs. Ambient Temperature
Figure 10. Input Offset Current vs. Ambient Temperature
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4
NE521
ORDERING INFORMATION
Device NE521D NE521DG NE521DR2 NE521DR2G NE521N NE521NG 0 to +70C Temperature Range Package SOIC-14 SOIC-14 (Pb-Free) SOIC-14 SOIC-14 (Pb-Free) PDIP-14 PDIP-14 (Pb-Free) 25 Units/Rail 2500/T ape & Reel 55 Units/Rail Shipping
For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging Specification Brochure, BRD8011/D.
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5
NE521
PACKAGE DIMENSIONS
SOIC-14 CASE 751A-03 ISSUE H
-A-
14 8
-B-
P 7 PL 0.25 (0.010)
M
B
M
1
7
NOTES: 1. DIMENSIONING AND TOLERANCING PER ANSI Y14.5M, 1982. 2. CONTROLLING DIMENSION: MILLIMETER. 3. DIMENSIONS A AND B DO NOT INCLUDE MOLD PROTRUSION. 4. MAXIMUM MOLD PROTRUSION 0.15 (0.006) PER SIDE. 5. DIMENSION D DOES NOT INCLUDE DAMBAR PROTRUSION. ALLOWABLE DAMBAR PROTRUSION SHALL BE 0.127 (0.005) TOTAL IN EXCESS OF THE D DIMENSION AT MAXIMUM MATERIAL CONDITION.
G C -T-
SEATING PLANE
R X 45 _
F
D 14 PL 0.25 (0.010)
K
M
M
S
J
TB
A
S
DIM A B C D F G J K M P R
MILLIMETERS MIN MAX 8.55 8.75 3.80 4.00 1.35 1.75 0.35 0.49 0.40 1.25 1.27 BSC 0.19 0.25 0.10 0.25 0_ 7_ 5.80 6.20 0.25 0.50
INCHES MIN MAX 0.337 0.344 0.150 0.157 0.054 0.068 0.014 0.019 0.016 0.049 0.050 BSC 0.008 0.009 0.004 0.009 0_ 7_ 0.228 0.244 0.010 0.019
SOLDERING FOOTPRINT*
7X
7.04 1 0.58
14X
14X
1.52
1.27 PITCH
DIMENSIONS: MILLIMETERS
*For additional information on our Pb-Free strategy and soldering details, please download the ON Semiconductor Soldering and Mounting Techniques Reference Manual, SOLDERRM/D.
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6
NE521
PACKAGE DIMENSIONS
PDIP-14 CASE 646-06 ISSUE P
14
8
B
1 7
NOTES: 1. DIMENSIONING AND TOLERANCING PER ANSI Y14.5M, 1982. 2. CONTROLLING DIMENSION: INCH. 3. DIMENSION L TO CENTER OF LEADS WHEN FORMED PARALLEL. 4. DIMENSION B DOES NOT INCLUDE MOLD FLASH. 5. ROUNDED CORNERS OPTIONAL. INCHES MIN MAX 0.715 0.770 0.240 0.260 0.145 0.185 0.015 0.021 0.040 0.070 0.100 BSC 0.052 0.095 0.008 0.015 0.115 0.135 0.290 0.310 --- 10 _ 0.015 0.039 MILLIMETERS MIN MAX 18.16 19.56 6.10 6.60 3.69 4.69 0.38 0.53 1.02 1.78 2.54 BSC 1.32 2.41 0.20 0.38 2.92 3.43 7.37 7.87 --- 10 _ 0.38 1.01
A F N -T-
SEATING PLANE
L C
H
G
D 14 PL
K
M
J M
DIM A B C D F G H J K L M N
0.13 (0.005)
ON Semiconductor and are registered trademarks of Semiconductor Components Industries, LLC (SCILLC). SCILLC reserves the right to make changes without further notice to any products herein. SCILLC makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does SCILLC assume any liability arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation special, consequential or incidental damages. "Typical" parameters which may be provided in SCILLC data sheets and/or specifications can and do vary in different applications and actual performance may vary over time. All operating parameters, including "Typicals" must be validated for each customer application by customer's technical experts. SCILLC does not convey any license under its patent rights nor the rights of others. SCILLC products are not designed, intended, or authorized for use as components in systems intended for surgical implant into the body, or other applications intended to support or sustain life, or for any other application in which the failure of the SCILLC product could create a situation where personal injury or death may occur. Should Buyer purchase or use SCILLC products for any such unintended or unauthorized application, Buyer shall indemnify and hold SCILLC and its officers, employees, subsidiaries, affiliates, and distributors harmless against all claims, costs, damages, and expenses, and reasonable attorney fees arising out of, directly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized use, even if such claim alleges that SCILLC was negligent regarding the design or manufacture of the part. SCILLC is an Equal Opportunity/Affirmative Action Employer. This literature is subject to all applicable copyright laws and is not for resale in any manner.
PUBLICATION ORDERING INFORMATION
LITERATURE FULFILLMENT: Literature Distribution Center for ON Semiconductor P.O. Box 5163, Denver, Colorado 80217 USA Phone: 303-675-2175 or 800-344-3860 Toll Free USA/Canada Fax: 303-675-2176 or 800-344-3867 Toll Free USA/Canada Email: orderlit@onsemi.com N. American Technical Support: 800-282-9855 Toll Free USA/Canada Europe, Middle East and Africa Technical Support: Phone: 421 33 790 2910 Japan Customer Focus Center Phone: 81-3-5773-3850 ON Semiconductor Website: www.onsemi.com Order Literature: http://www.onsemi.com/orderlit For additional information, please contact your local Sales Representative
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7
NE521/D


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