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TL714C HIGH-SPEED DIFFERENTIAL COMPARATOR
SLCS015 - DECEMBER 1988 - REVISED JUNE 1989
D D D D D
Operates From a 5-V Supply Self-Biasing Inputs Hysteresis . . . 10 mV Typ Response Time . . . 6 ns Typ Maximum Operating Frequency 50 MHz Typ
D OR P PACKAGE (TOP VIEW)
NC IN - IN+ NC
1 2 3 4
8 7 6 5
VCC NC OUT GND
description
The TL714C is a high-speed differential comparator fabricated with bipolar Schottky process technology. The circuit has differential inputs and a TTL-compatible logic output with symmetrical switching characteristics.
NC -- No internal connection
symbol
IN+ OUT IN -
The device operates from a single 5-V supply and is useful as a disk-memory read-chain data comparator. The TL714C is characterized for operation from 0C to 70C.
schematic of inputs and outputs
EACH INPUT VCC VCC 50 OUTPUT
100 IN
9.6 k OUT 9.6 k
GND
All resistor values shown are nominal.
PRODUCTION DATA information is current as of publication date. Products conform to specifications per the terms of Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters.
Copyright (c) 1989, Texas Instruments Incorporated
POST OFFICE BOX 655303
* DALLAS, TEXAS 75265
1
TL714C HIGH-SPEED DIFFERENTIAL COMPARATOR
SLCS015 - DECEMBER 1988 - REVISED JUNE 1989
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)
Supply voltage, VCC (see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 V Differential input voltage, VID (see Note 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 V Input voltage range, VI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . VCC to GND Low-level output current, IOL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40 mA Continuous total power dissipation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . See Dissipation Rating Table Operating free-air temperature range, TA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0C to 70C Storage temperature range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . - 65C to 150C Lead temperature1,6 mm (1/16 inch) from case for 10 seconds . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 260C
Stresses beyond those listed under absolute maximum ratings may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the recommended operating conditions section of this specification is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability. NOTES: 1. All voltage values, except differential voltage, are with respect to the network ground. 2. Differential voltage values are at IN+ with respect to IN -. DISSIPATION RATING TABLE PACKAGE D P TA 25C POWER RATING 500 mW 500 mW DERATING FACTOR 5.8 mW/C N/A DERATE ABOVE TA 64C N/A TA = 75C POWER RATING 464 mW 500 mW
recommended operating conditions
MIN Supply voltage, VCC Common-mode input voltage, VIC High-level output current, IOH Low-level output current, IOL Operating free-air temperature, TA 0 4.75 1.4 to VCC - 1.4 -1 16 70 MAX 5.25 UNIT V V mA mA C
electrical characteristics over free-air operating temperature range, VCC = 5 V (unless otherwise noted)
PARAMETER VT Vhys VOH VOL IOS ri Threshold voltage (VT+ - VT-) Hysteresis (VT+ - VT-) High-level output voltage Low-level output voltage Short-circuit output current Differential input resistance VID = 100 mV, VID = - 100 mV, IOH = - 1 mA IOL = 16 mA TEST CONDITIONS VIC = 1.4 V to 3.6 V MIN -75 2 2.7 - 30 2.9 TYP 10 3.4 0.4 0.5 - 110 MAX 75 30 UNIT mV mV V V mA k
ICC Supply current VID = -100 mV, IO = 0 7 12 mA All typical values are at TA = 25C. The algebraic convention, where the more negative limit is designated as minimum, is used in this data sheet for input threshold voltage levels only.
2
POST OFFICE BOX 655303
* DALLAS, TEXAS 75265
TL714C HIGH-SPEED DIFFERENTIAL COMPARATOR
SLCS015 - DECEMBER 1988 - REVISED JUNE 1989
switching characteristics, VCC = 5 V, TA = 25C
PARAMETER fmax tPLH tPHL Maximum operating frequency Propagation delay time, low-to-high-level output Propagation delay time, high-to-low-level output TEST CONDITIONS VID = 250 mV, CL = 25 pF, VID = 100 mV, , See Figures 1 and 2 VID = 100 mV, See Figure 3 tr = tf = 4 ns, Input duty cycle = 50% CL = 25 pF, , CL = 25 pF, MIN TYP 50 6 6 4 4 12 12 8 8 MAX UNIT MHz ns ns ns ns
tr Rise time tf Fall time All typical values are at TA = 25C.
PARAMETER MEASUREMENT INFORMATION
tr 4 ns VID 90% 50% 10% tPLH VOH VO 1.4 V VOL VO 100 mV -100 mV VID 90% 50% 10% tPHL 1.4 V VOL tf 4 ns 100 mV -100 mV VOH
Figure 1. Propagation Delay Time, Low to High (tPLH)
tr 4 ns VID 90% 10% tr 2.4 V VO 0.5 V
Figure 2. Propagation Delay Time, High to Low (tPHL)
tf 4 ns 90% 10% tf 2.4 V 0.5 V VOH 100 mV -100 mV
VOL
Figure 3. Rise and Fall Times (tr, tf)
POST OFFICE BOX 655303
* DALLAS, TEXAS 75265
3
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Copyright (c) 1998, Texas Instruments Incorporated
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