Philips Semiconductors Linear Products Product specification High-speed dual-differential comparator/sense amp FEATURES NE/SE521 PIN CONFIGURATION * 12ns maximum guaranteed propagation delay * 20A maximum input bias current * TTL compatible strobes and outputs * Large common-mode input voltage range * Operates from standard supply voltages * Military qualifications pending D, F, N Packages APPLICATIONS INPUT 1A 1 14 V+ INPUT 1B 2 13 V- NC 3 12 INPUT 2A OUTPUT 1Y 4 11 INPUT 2B STROBE 1G 5 10 NC STROBE S 6 9 OUTPUT 2Y GND 7 8 STROBE 2G * MOS memory sense amp * A-to-D conversion * High-speed line receiver TOP VIEW ORDERING INFORMATION TEMPERATURE RANGE ORDER CODE DWG # 14-Pin Plastic Dual In-Line Package (DIP) DESCRIPTION 0 to +70C NE521N 0405B 14-Pin SO Package 0 to +70C NE521D 0175D 14-Pin Ceramic Dual In-Line Package (CERDIP) 0 to +70C NE521F 0581B 14-Pin Ceramic Dual In-Line Package (CERDIP) -55C to +125C SE521F 0581B EQUIVALENT SCHEMATIC V+ 14 R2 R1 R17 2 1 Q2 Q5 4 6 5 Q28 Q10 Q8 R5 R3 R14 Q11 Q13 R22 D2 R15 R23 Q27 R6 V- 7 R7 R10 R8 Q18 Q16 11 D6 R24 + R4 12 Q29 Q26 Q7 Q6 Q9 13 R25 Q30 R16 D7 Q1 R21 Q25 Q3 Q4 - R20 Q17 R9 Q36 Q19 D3 R28 R29 + - Q35 Q15 Q14 D4 D5 Q22 Q23 8 Q20 R12 R11 Q32 Q34 R18 Q31 Q21 R19 9 R30 Q24 Q32 R26 R27 R34 V+ August 31, 1994 305 853-0900 13721 Philips Semiconductors Linear Products Product specification High-speed dual-differential comparator/sense amp NE/SE521 LOGIC FUNCTIONS VID A+, B- STROBE S STROBE G OUTPUT (Y) VID-VOS H H L -VOS<VID<VOS H H Undefined VIDVOS H H H X L X H X X L H ABSOLUTE MAXIMUM RATINGS SYMBOL PARAMETER RATING UNIT Supply voltage V+ Positive +7 V V- Negative -7 V 6 V 5 V +5.25 V F package 1190 mW N package 1420 mW D package 1040 mW NE521 0 to 70 C SE521 -55 to +125 C -65 to +150 C +300 C VIDR Differential input voltage VIN Input voltage Common mode Strobe/gate Maximum power dissipation1 TA= 25C (still-air) PD TA Operating temperature range TSTG Storage temperature range TSOLD Lead soldering temperature (10 sec. max) NOTES: 1. Derate above 25C at the following rates: F package at 9.5mW/C N package at 11.4mW/C D package at 8.3mW/C BLOCK DIAGRAM (1) INPUT 1A (2) INPUT 1B OUTPUT 1Y (4) (5) STROBE 1G (60 STROBE S (12) INPUT 2A (11) INPUT 2B (9) OUTPUT 3Y (8) August 31, 1994 STROBE 2G 306 Philips Semiconductors Linear Products Product specification High-speed dual-differential comparator/sense amp NE/SE521 DC ELECTRICAL CHARACTERISTICS (SE521) V+=+5V, V-=-5V, TA=-55C to +125C, unless otherwise specified. SYMBOL VOS PARAMETER Input offset voltage TEST CONDITIONS LIMITS Min Typ Max 6 7.5 V+=+4.5V, V-=-4.5V At 25C Over temperature range IBIAS Input bias current V+=+5.5V, V-=-5.5V 7.5 Over temperature range Input offset current Common-mode voltage range Low level input voltage VIH 1.0 5 A 12 +3 V At 25C 0.8 V Over temperature 0.7 V+=+4.5V, V-=-4.5V High level input voltage Input current IIH A V+=+5.5V, V-=-5.5V Over temperature range VIL 20 40 At 25C VCM mV 15 At 25C IOS UNIT -3 2.0 V V+=+5.5V, V-=-5.5V High VIH=2.7V 1G or 2G strobe 50 A Common strobe S 100 A 1G or 2G strobe -2.0 mA Common strobe S -4.0 mA Input Current IIL Low VIL=0.5V Output voltage VI(S)=2.0V VOH High V+=+4.5V, V-=-4.5V, ILOAD=-1mA 2.5 3.4 VOL Low V+=+4.5V, V-=-4.5V, ILOAD=10mA 0.5 TA=25C, ILOAD=20mA 0.5 V Supply voltage V+ Positive 4.5 5.0 5.5 V- Negative -4.5 -5.0 -5.5 Supply current V+=5.5V, V-=-5.5V, TA=25C ICC+ Positive 27 35 ICC- Negative -15 -28 ISC Short-circuit output current August 31, 1994 V -35 307 -115 mA mA Philips Semiconductors Linear Products Product specification High-speed dual-differential comparator/sense amp NE/SE521 DC ELECTRICAL CHARACTERISTICS(NE521) V+=+5V, V-=-5V, TA=0 to 70C, unless otherwise specified. SYMBOL VOS PARAMETER TEST CONDITIONS Input offset voltage LIMITS Min Typ Max 6 7.5 V+=+4.75V, V-=-4.75V At 25C Over temperature range IBIAS Input bias current V+=+5.25V, V-=-5.25V 7.5 Over temperature range Input offset current A V+=+5.25V, V-=-5.25V 1.0 Over temperature range IIH 20 40 At 25C VCM mV 10 At 25C IOS UNIT 5 A 12 Common-mode voltage range V+=+4.75V, V-=-4.75V Input current V+=+5.25V, V-=-5.25V +3 V 1G or 2G strobe 50 A Common strobe S 100 A 1G or 2G strobe -2.0 mA Common strobe S -4.0 mA High -3 VIH=2.7V Input Current IIL Low VIL=0.5V Output voltage VOH VOL VI(S)=2.0V High V+=+4.75V, V-=-4.75V, ILOAD=-1mA Low V+=+5.25V, V-=-5.25V, ILOAD=20mA 2.7 3.4 V 0.5 Supply voltage V+ Positive 4.75 5.0 5.25 V- Negative -4.75 -5.0 -5.25 Supply current V+=5.25V, V-=-5.25V, TA=25C ICC+ Positive 27 35 ICC- Negative -15 -28 ISC V Short-circuit output current -40 -100 mA mA AC ELECTRICAL CHARACTERISTICS TA=25C, RL=280W CL=15pF V+=5V V-=5V. SYMBOL PARAMETER FROM INPUT TO OUTPUT LIMITS Min Typ Max 12 UNIT Large-signal switching speed Propagation delay tPLH(D) Low to high1 Amp Output 8 tPHL(D) High to low1 Amp Output 6 9 tPLH(S) Low to high2 Strobe Output 4.5 10 tPHL(S) High to low2 Strobe Output 3.0 6 fMAX Max. operating frequency 40 NOTES: 1. Response time measured from 0V point of 100mVP-P 10MHz square wave to the 1.5V point of the output. 2. Response time measured from 1.5V point of input to 1.5V point of the output. August 31, 1994 308 55 ns MHz Philips Semiconductors Linear Products Product specification High-speed dual-differential comparator/sense amp NE/SE521 TYPICAL PERFORMANCE CHARACTERISTICS Response Time for Various Input Overdrives VS = +5V TA = 25oC 4 3 100mV 2 5mV 20mV 1 10mV TA = 25oC VS = +5V 4 3 2 50mV 5mV 1 100mV 10mV 12 0 INPUT VOLTAGE (mV) 0 INPUT VOLTAGE (mV) Response Time vs Temperature TESPONSE TIME (ns) OUTPUT VOLTAGE (V) OUTPUT VOLTAGE (V) Response Time for Various Input Overdrives 100 50 0 0 5 10 15 20 25 100 TPD (HL) 6 4 2 0 0 30 5 10 15 20 25 30 60 Propagation Delay for Various Input Voltages 8 TPD (HL) 6 16 14 12 10 TPD (LH) 8 TPD (HL) 6 3.0 2.0 1.0 4 VOL 2 10 20 30 40 50 60 70 100 Input Bias Current vs Ambient Temperature -75 Input Offset Current vs Ambient Temperature 1.1 11 1.0 INPUT OFSET CURRENT ( A) 12 10 9 8 7 0.9 0.8 0.7 0.6 0.5 6 -75 1000 INPUT VOLTAGE (m Vp-p) INPUT VOLTAGE (mVp-p) INPT BIAS CURRENT ( A) +100 VOH OUTPUT VOLTAGE (V) PROPAGATION DELAY (ns) 10 +60 4.0 VS = +5V 10MHz SQUARE WAVE INPUT TA = 25oC 18 TPD (LH) -20 Output Voltage vs Ambient Temperature 20 VS = +5V 10MHz SQUARE WAVE INPUT TA = 25oC 20 AMBIENT TEMPERATURE (oC) TIME -- nS Propagation Delay for Various Input Voltages PROPAGATION DELAY (ns) TPD (LH) 8 50 TIME -- nS 12 10 -25 +25 +75 +125 AMBIENT TEMPERATURE (oC) August 31, 1994 -75 -25 +25 +75 +125 AMBIENT TEMPERATURES (oC) 309 -25 +25 +75 +125 o AMBIENT TEMPERATURE ( C) +140