a
FEATURES 250 MHz Operation Driver/Comparator Included 52-Lead LQFP Package with Built-in Heat Sink
High Performance Driver/Comparator on a Single Chip AD53033
FUNCTIONAL BLOCK DIAGRAM
VCC VH 47 VTERM 45 DATA 37 DATAB 38 IOD 43 IODB 42 RLD 49 RLDB 50 VL 31 HCOMP LEH LEHB QH QHB 50 DRIVER VOUT VLDCPL VHDCPL VCC VCC
51 52
VEE
32
VEE
39
VEE
40
VEE
41
APPLICATIONS Automatic Test Equipment Semiconductor Test Systems Board Test Systems Instrumentation and Characterization Equipment
AD53033
PRODUCT DESCRIPTION
COMPARATOR QL QLB LEL LELB LCOMP
The AD53033 is a single chip that performs the pin electronics functions of driver and comparator (D-C) in ATE VLSI and memory testers. The driver is a proprietary design that features three active states: Data High Mode, Data Low Mode and Term Mode as well as an Inhibit State. This facilitates the implementation of high speed active termination. The output voltage range is –3 V to +8 V to accommodate a wide variety of test devices. The output leakage is typically less than 250 nA over the entire signal range. The dual comparator, with an input range equal to the driver output range, features built-in latches and ECL-compatible outputs. The outputs are capable of driving 50 Ω signal lines terminated to –2 V. Signal tracking capability is upwards of 5 V/ns. Also included on the chip is an onboard temperature sensor whose purpose is to give an indication of the surface temperature of the D-C. This information can be used to measure θJC and θJA or flag an alarm if proper cooling is lost. Output from the
NC
THERM 1.0 A/K
9, 33, 44, 46, 48 2, 5, 8
PWRGND NC = NO CONNECT
ECLGND
HQGND2
sensor is a current sink that is proportional to absolute temperature. The gain is trimmed to a nominal value of 1.0 µA/K. As an example, the output current can be sensed by using a 10 kΩ resistor connected from +10 V to the THERM (IOUT) pin. A voltage drop across the resistor will be developed that equals: 10K × 1 µA/K = 10 mV/K = 2.98 V at room temperature.
R EV. 0
Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 781/329-4700 World Wide Web Site: http://www.analog.com Fax: 781/326-8703 © Analog Devices, Inc., 1999
AD53033–SPECIFICATIONS
DRIVER SPECIFICATIONS
(All specifications are at TJ = +85 C 5 C, +VS = +12 V 3%, –VS = –7 V = measured at TJ = +75 C to +95 C). CHDCPL = CLDCPL = 39 nF.
Parameter DIFFERENTIAL INPUT CHARACTERISTICS (DATA to DATA, IOD to IOD, RLD to RLD) Input Voltage Differential Input Range Bias Current REFERENCE INPUTS Bias Currents OUTPUT CHARACTERISTICS Logic High Range Min Typ Max Units
3% unless otherwise noted. All temperature coefficients are
Test Conditions
–2 ECL –250 –50 –2
0 +250 +50 8
V µA µA V VIN = –2 V, 0.0 V V L , VH , VT = 5 V DATA = H, VH = –2 V to +8 V VL = –3 V (VH = –2 V to +6 V) VL = –1 V (VH = +6 V to +8 V) DATA = L, VL = –3 V to +5 V, VH = +6 V VL = 0.0 V, VH = +0.1 V, VT = 0 V VL = –2 V, VH = +7 V, VT = 0 V DATA = H, VH = 0 V, VL = –3 V, VT = +3 V DATA = H, VH = –2 V to +8 V, VL = –3 V, VT = +3 V DATA = L, VL = –3 V, VH = +6 V, VT = +7.5 V DATA = L, VL = 0 V , VH = +6 V, VT = +7.5 V VL = 0 V, VH = +5 V, VT = 0 V VL = –3 V, VT = 0 V, IOUT = 0, +1, +30 mA VL = –1 V, VT = 0 V, IOUT = 0, –1, –30 mA VH = +6 V, VT = 0 V, IOUT = 0, +1, +30 mA VH = +6 V, VT = 0 V, IOUT = 0, –1, –30 mA VL = 0 V, VT = 0 V, IOUT = –30 mA (Trim Point) CBYP = 39 nF, VH = +7 V, VL = –2 V, VT = 0 V Output to –3 V, VH = +8 V, VL = –1 V, VT = 0 V DATA = H and Output to +8 V, VH = +6 V, VL = –3 V, VT = 0 V, DATA = L TERM MODE, VT = –3 V to +8 V, VL = 0 V, VH = 3 V TERM MODE, VT = 0 V, VL = 0 V, VH = 3 V TERM MODE, VT = –3 V to +8 V, VL = 0 V, VH = 3 V VT = 0 V, VL = 0 V, VH = 3 V IOUT = +30 mA, +1.0 mA, VT = –3.0 V, VH = 3 V, VL = 0 V IOUT = –30 mA, –1.0 mA, VT = +8.0 V, VH = 3 V, VL = 0 V IOUT = ± 30 mA, ± 1.0 mA, VT = 0 V, VH = 3 V, VL = 0 V Measured at 50%, VH = +400 mV, VL = –400 mV Measured at 50%, VH = +400 mV, VL = –400 mV Measured at 50%, VH = +400 mV, VL = –400 mV Measured 20%–80%, VL = 0 V, VH = 1 V Measured 20%–80%, VL = 0 V, VH = 3 V Measured 10%–90%, VL = 0 V, VH = 5 V Measured 10%–90%, VL = –2 V, VH = 7 V Measured 20%–80%, VL = 0 V, VH = 1 V Measured 20%–80%, VL = 0 V, VH = 3 V Measured 10%–90%, VL = 0 V, VH = 5 V VL, VH = –0.1 V, 0.1 V, VL, VH = 0.0 V, 1.0 V VL, VH = 0.0 V, 3.0 V, VL, VH = 0.0 V, 5.0 V VL, VH = –2.0 V, 7.0 V VL = 0 V, VH = 0.5 V VL = 0 V, VH = 0.5 V
Logic Low Range Amplitude (VH and VL) Absolute Accuracy VH Offset VH Gain + Linearity Error VL Offset VL Gain + Linearity Error Offset TC Output Resistance VH = – 2 V VH = + 8 V VL = – 3 V VL = + 5 V VH = + 3 V Dynamic Current Limit Static Current Limit
–3 0.1 –50 0.3 – 5 –50 –0.3 – 5 0.5 44 44 44 44 100 –85 46 46 46 46 46
5 9 +50 +0.3 + 5 +50 +0.3 + 5
V V mV % of VH + mV mV % of VL + mV mV/°C Ω Ω Ω Ω Ω mA mA
48 48 48 48
+85
VTERM Voltage Range VTERM Offset VTERM Gain + Linearity Error Offset TC Output Resistance
–3 –50 –0.3 + 5 44 0.5 46
8.0 +50 +0.3 + 5 49
V mV % of VSET + mV mV/°C Ω
DYNAMIC PERFORMANCE, (VH AND VL) Propagation Delay Time Propagation Delay TC Delay Matching, Edge to Edge Rise and Fall Times 1 V Swing 3 V Swing 5 V Swing 9 V Swing Rise and Fall Time Temperature Coefficient 1 V Swing 3 V Swing 5 V Swing Overshoot and Preshoot
1.1
1.6 2.1 2
