E4237 SEMTECH [Semtech Corporation], E4237 Datasheet
E4237
Related parts for E4237
E4237 Summary of contents
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... Stable with up to 300 pF Capacitive Loading with no external compensation capacitors • Switchable Compensation allows stability with Capacitive Loading • 14x14 mm, 80 Pin MQFP Package (E4287) • Small, 9x9 mm, 64-Pad LPCC Package (E4237, E4257) Applications • Automated Test Equipment – Memory Testers – ...
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... IVMAX IVMIN IVMON 2005 Semtech Corp. / Rev. 5, 11/30/05 E4237/E4257/E4287 Channel 0 1K 700 1K 1K 700 1K LIMIT COMPARE Channel 1 2 VAOUT E4287 VBOUT HLV LLV REXT ( E4287, 4257 E4237 ( FORCE DUT SENSE GUARD E4287 DUTNH DUTNL EPMUF DUT GND EPMUS www.semtech.com ...
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... E4237/E4257/E4287 ...
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... E4237/E4257/E4287 ...
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... COMP1[1] 10 VINP[1] 11 COMP2[1] 12 VDD 13 SELC[1] 14 RS1[1] 15 RS0[1] 16 SELIPMU[1] 17 SELEPMU[1] 18 DUTNH[1] 19 VEE[1] 20 2005 Semtech Corp. / Rev. 5, 11/30/05 80 Pin INT_TEP_MQFP Package (w/Internal Heat Spreader) 14mm x 14mm X 2.0mm E4287AHF (Top View) 5 E4237/E4257/E4287 VCC[0] 60 FORCE[0] 59 SENSE[0] 58 RF[0] 57 RD[0] 56 RC[0] 55 RB[0] 54 RA[0] 53 GUARD[0] 52 COMP1[0] 51 VINP[0] 50 COMP2[0] 49 DGND 48 SELC[0] 47 ...
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... E4237/E4257/E4287 " " ...
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... EXPOSED THERMAL PAD 39 (Connect to VEE) VDD 38 RS1[1] 37 RS0[ RF[0] 3 RD[0] 4 RC[0] 5 RB[0] 6 E4257ALP RA[ Top View VINP[ DGND 11 RS1[0] 12 RS0[ E4237/E4257/E4287 FORCE[0] 1 SENSE[0] 2 RF[0] 3 RD[0] 4 RC[0] 5 RB[0] 6 RA[0] 7 COMP1[0] 8 VINP[0] 9 COMP2[0] 10 DGND 11 RS1[0] 12 RS0[0] 13 SELIPMU[0] 14 SELEPMU[0] 15 DUTNH[0] 16 FORCE[1] 48 SENSE[1] 47 RF[1] 46 RD[1] ...
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... TEST AND MEASUREMENT PRODUCTS E4237 PIN Description ...
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... TEST AND MEASUREMENT PRODUCTS E4237 PIN Description (continued) FORCE[1] SENSE[1] RF[1] N/C RC[1] N/C RA[1] COMP1[1] VINP[1] COMP2[1] VDD RS[1] RS[1] SELIPMU[1] SELEPMU[1] DUTNH[1] FORCE[0] SENSE[0] RF[0] RC[0] RA[0] COMP1[0] VINP[0] COMP2[0] DGND RS[0] RS[0] SELIPMU[0] SELEPMU[0] DUTNH[0] 2005 Semtech Corp. / Rev. 5, 11/30/05 64-Pad LPCC 9mmx 9mm E4237ALP 43 Bottom View EXPOSED THERMAL PAD ...
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... E42X7’s internal PMU when a DUT is connected to the FORCE or RF pins (a functional schematic of the E42X7 can be viewed in Figure 2). –100% VEE + 4V FORCE Pin, Range D (E4257, E4287) FORCE Pin, Range C (E4237) RF Pin, All Ranges FORCE Pin, Ranges A,B,C (E4257, E4287) Figure 1. PMU Functionality/Range at the 10 E4237/E4257/E4287 ...
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... VOLTAGE OR CURRENT LIMIT E4237/E4257/E4287 VAOUT E4287 VBOUT (E4257, E4287) REXT ( (E4237 for E4257, E4287 400 for E4237 40 FORCE 3K 1.5K DUT SELEPMU SELIPMU SENSE 1K 1K GUARD 1K DUTNH DUTNL EPMUF DUTGND EPMUS Signals common to both PMUs www ...
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... The truth table for RS0 and RS1, along with the associated external resistor values and current ranges, is shown in Table 2. RS0 and RS1 are independent for each channel of the E4287 and E4257. RS0 and RS1 for each channel should be connected together externally on the E4237 ...
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... RF pin, using the RF pin as the PMU output offers extended output voltage capability and full-scale current (note that on-chip termination mode only works when using the FORCE pin). Force Voltage (FV) Mode In the FV mode (FV/FI* = 1), the force amplifier (see Figure 2) is configured as a unity gain buffer. 13 E4237/E4257/E4287 ...
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... SENSE Relationship VINP In the MV mode, the voltage monitored at SENSE maps 1:1 with the voltage measured at IVMON as follows: V IVMON 14 E4237/E4257/E4287 REXT FORCE/RF I measured + – 4X Measured current can be tested with window comparator or routed to IVMON = I Specified Linearity Error x measured specified Offset Current ...
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... FORCE pin voltage exceeds the HLV or LLV pin settings by more than ~1.5V, the E42X7 will open all of the internal switches connected to the FORCE and SENSE nodes in order to protect internal PMU circuitry from damage. 15 E4237/E4257/E4287 ) to within a range determined by the HLV and min ...
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... Thermal Diode String The E42X7 features an internal diode string connected between the VC[0] and VC[1] pins that can be used to perform device junction temperature measurements as shown in the figure below. 16 E4237/E4257/E4287 0.5V. VC[0] SELC = 0 100 A Temperature External Coefficient= –4.841mV/˚C ...
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... The three diode configuration shown in Figure 4 should be used on a once-per-board basis to prevent damage to the PMU in the event of a power supply failure and to ensure that power up requirements are not violated. 17 E4237/E4257/E4287 VCC (Positive Analog Supply) VEE (Negative Analog Supply) SVCC (Switch Supply) VDD (Digital Supply) ...
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... Even if the device is not immediately destroyed, the cumulative damage caused by the stress of repeated latchup may affect device reliability. 2005 Semtech Corp. / Rev. 5, 11/30/05 1N5820 or Equivalent Schottky Diodes 18 E4237/E4257/E4287 www.semtech.com ...
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... TEST AND MEASUREMENT PRODUCTS Application Information VCC 0.1 F VCC Actual decoupling capacitor values depend on the system environment. 2005 Semtech Corp. / Rev. 5, 11/30/05 Required External Components Per PMU CCOMP (470 pF, Optional) COMP1 COMP2 VDD VEE 0.1 F VEE VDD 19 E4237/E4257/E4287 12.4 k 1.24 k E4257, E4287 124 12.4 E4257, E4287 0.1 F www.semtech.com ...
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... A Device Under Test (DUT) may be connected to the PPMU either ‘locally” or ‘remotely’ to the pin electronics: Local Pin Electronics: PPMU DUT Pin F S 4287 PPMU IVMON DISMON[0:1] Remote Pin Electronics (via Relays) PPMU 20 E4237/E4257/E4287 Pin Electronics REXT RF FORCE Inductors SENSE F S SYSTEM PMU Note: FORCE must be connected ...
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... S F IVMON SELIPMU PPMU S DVH SELC DVHH DVL NOTE: Switch impedance is shown for typical value 2005 Semtech Corp. / Rev. 5, 11/30/05 E4287 E4237/E4257/E4287 E4287 ONLY 1000 pF PIN'S DRIVER 1000 pF OUTPUT WAVEFORM: DVHH (Super Voltage) DVH DVL DUT PIN www.semtech.com ...
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... A .25 .17 MAX ddd M C A– 2005 Semtech Corp. / Rev. 5, 11/30/05 (with Internal Heat Spreader –B– STANDOFF SEATING PLANE –C– b LEAD COMPLANARITY ccc C 22 E4237/E4257/E4287 12 ˚ ˚ ...
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... TEST AND MEASUREMENT PRODUCTS E4237, E4257 Package Information INDEX AREA (D 2005 Semtech Corp. / Rev. 5, 11/30/05 64-Pad LPCC Package 9mm x 9mm TOP VIEW aaa C aaa C BOTTOM VIEW (DATUM B) 8 (DATUM A) N N–1 e PIN 1 (ND– E4237/E4257/E4287 ...
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... TEST AND MEASUREMENT PRODUCTS E4237, E4257 Package Information (continued) Detail B // ccc 0. SIDE VIEW (DATUM e/2 5 NOTE IS OPTIONAL e TERMINAL/SIDE NOTES: 1) Dimensioning and tolerancing conform to ASME Y14.5M-1994. 2) All dimensions are in millimeters. Angles are in degrees the total number of terminals. ...
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... Exposure to conditions above those “recommended” for extended periods may affect device reliability. 2005 Semtech Corp. / Rev. 5, 11/30/05 E4237/E4257/E4287 Symbol Min Symbol ...
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... Power Supply Rejection Ratio (see plot below for AC PSRR) FV/MI Mode FORCE Pin (DC) IVMON Pin (DC) FI/MV Mode FORCE Pin (DC) IVMON Pin (DC 2005 Semtech Corp. / Rev. 5, 11/30/05 E4237/E4257/E4287 Symbol Min ICC IEE –25 IDD SICC FV/MI PSRR 70 70 FI/MV PSRR 70 70 Force Pin, FI/MV Mode ...
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... RF Pin ( Full-Scale Current) FORCE Pin (E4257, E4287) Ranges Full-Scale Current) Range D Sourcing Full-Scale Current Zero Current Sinking Full-Scale Current FORCE Pin (E4237) Range A ( Full-Scale Current) Range C Sourcing Full-Scale Current Zero Current Sinking Full-Scale Current Force Amplifier Short Circuit Current Limit ...
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... Measure Current Offset Gain (Note 5) Linearity Common Mode Error (Note 2) Common Mode Linearity Temperature Dependence (Note 1) Temperature Coefficient of Offset Temperature Coefficient of Gain Ranges Range D 2005 Semtech Corp. / Rev. 5, 11/30/05 E4237/E4257/E4287 Symbol Min Typ IMEASURE –40 –400 –4 –40 VOS –100 MI Gain 3 ...
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... Compliance Voltage Range RF Pin ( Full-Scale Current) FORCE Pin (E4257, E4287) Ranges Full-Scale Current) Range D Sourcing Full-Scale Current Zero Current Sinking Full-Scale Current FORCE Pin (E4237) Range A ( Full-Scale Current) Range C Sourcing Full-Scale Current Zero Current Sinking Full-Scale Current Current Accuracy Offset ...
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... Temperature Dependence (Note 1) Temperature Coefficient of Offset Temperature Coefficient of Gain Digital Inputs (FV/FI, MI/MV, RS0, RS1, SELIPMU, SELEPMU, SELC, SELCOMP, HiZ, DISMON) Parameter Input Low Level Input High Level Input Leakage Current 2005 Semtech Corp. / Rev. 5, 11/30/05 E4237/E4257/E4287 Symbol Min Typ VSENSE VEE + 2 Vos –50 MV Gain ...
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... SENSE = VEE + 2V to VCC –2V FORCE Pin Capacitance (Note 3) SELIPMU = SELEPMU = 0 (E4257, E4287) SELIPMU = SELEPMU = 0 (E4237) SELIPMU = 1, SELEPMU = 0 (E4257, E4287) SELIPMU = 1, SELEPMU = 0 (E4237) SENSE Pin Capacitance (Note 3) Internal Pull-Up Current Capability Internal Pull-Up Resistance (Switch & Resistor) 2005 Semtech Corp. / Rev. 5, 11/30/05 ...
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... Range) Leakage Current IVMON Parameter Leakage (both IVMON switches open) IVMON Output Switch Impedance IVMON Output Current Capability IVMON Output Capacitance (both IVMON switches open) 2005 Semtech Corp. / Rev. 5, 11/30/05 E4237/E4257/E4287 Symbol Min HLV LLV + 1.0 LLV VEE + 1.675 |HLV, LLV – 0 VFORCE| IHLV, ILLV – ...
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... FORCE Note 6: VCC – the maximum LLV voltage that will clamp full-scale current on Range D. LLV will clamp full-scale current for ranges A, B, and C all the way up to HLV – 1V. 2005 Semtech Corp. / Rev. 5, 11/30/05 E4237/E4257/E4287 Symbol Min Typ IVMAX VEE + 1.75 IVMIN VEE + 1 ...
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... Range D (E4257, E4287) CFORCE/SENSE = 1,000 pF, SELCOMP = 1, CCOMP = 470 pF To 0.05% FSCR Range A Range B (E4257, E4287) Range C Range D (E4257, E4287) To 0.1% FSCR Range A Range B (E4257, E4287) Range C Range D (E4257, E4287) 2005 Semtech Corp. / Rev. 5, 11/30/05 E4237/E4257/E4287 Symbol Min FVtsettle MItsettle 34 Typ Max Units 25 105 s 25 ...
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... DISABLE False to IVMON Enable Time Slew Rate Voltage Clamp Activation Time (Note 5) Recovery Time (Note 5) Overshoot Force Amp HiZ True to FORCE Disable Time (Note 3) HiZ False to FORCE Enable Time (Note 3) 2005 Semtech Corp. / Rev. 5, 11/30/05 E4237/E4257/E4287 Symbol Min Typ SR 0 toe ...
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... Range D (E4257, E4287) CFORCE/SENSE = 1,000 pF, SELCOMP = 1, CCOMP = 470 pF To 0.025% FSVR Range A Range B (E4257, E4287) Range C Range D (E4257, E4287) To 0.1% FSVR Range A Range B (E4257, E4287) Range C Range D (E4257, E4287) 2005 Semtech Corp. / Rev. 5, 11/30/05 E4237/E4257/E4287 Symbol Min FItsettle MVtsettle 36 Typ Max Units 320 575 s 45 ...
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... Force Amp HiZ True to FORCE Disable Time (Note 3) HiZ False to FORCE Enable Time (Note 3) Comparator Parameter Propagation Delay (Note 6) >3V Swing Minimum Pulse Width (3V swing, IVMAX/IVMIN set to 50%) Maximum Toggle Rate 2005 Semtech Corp. / Rev. 5, 11/30/05 E4237/E4257/E4287 Symbol Min Typ SR 0 toe ...
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... µ µ E4237/E4257/E4287 10 1V/ s IVMIN, IVMAX Tpd(– ...
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... This product is lead-free. Semtech Corporation Test and Measurement Division 39 E4237/E4257/E4287 ...