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EL7457 Datasheet(PDF) 1 Page - Elantec Semiconductor |
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EL7457 Datasheet(HTML) 1 Page - Elantec Semiconductor |
1 / 12 page © 1998 Élantec, Inc. General Description The EL7457C is an ultra-high speed, non-inverting quad CMOS driver. It is capable of running at clock rates up to 40MHz and features 2A peak drive capability and a nominal on-resistance of just 3 Ω. The EL7457C is ideal for driving highly capacitive loads, such as storage and vertical clocks in CCD applications. It is also well suited to ATE pin driving, level-shifting and clock-driving applications. The EL7457C is capable of running from single or dual power sup- plies while using ground referenced inputs. Each output can be switched to either the high (VH) or low (VL) supply pins, depending on the related input pin. The inputs are compatible with both 3V and 5V CMOS and TTL logic. The output enable (OE) pin can be used to put the outputs into a high-impedance state. This is especially useful in CCD applications, where the driver should be disabled during power down. The EL7457C also features very fast rise and fall times which are matched to within 1ns. The propagation delay is also matched between rising and falling edges to within 2ns. The EL7457C is available in both the 16-Pin QSOP and 16-Pin SOIC packages. It is specified for operation over the -40°C to +85°C temper- ature range. Pin Layout Diagram VS+ OUTB OUTA NC OUTC VS- VH INA OE VL NC IND INC OUTD EL7457C 1 2 3 4 16 15 14 13 5 6 7 12 11 10 8 9 GND INB Features • Clocking Speeds Up To 40MHz • 4 Channels • 12 ns tr/tf at 1000pF Cload • 1ns Rise and Fall Time Mismatch • 1.5ns Prop Delay Mismatch • Low Quiescent Current, <1mA • Fast Output Enable Function, 12ns • Wide Output Voltage Range • 8V >VL >-5V • -2V < VH < 15V • 2A Peak Drive • 3 Ω On Resistance • Input Level Shifters • TTL/CMOS Input Compatible Applications • CCD Drivers • Digital Cameras • Pin Drivers • Clock / Line Drivers • Ultrasound Transducer Drivers • Ultrasonic and RF Generators • Level Shifting Ordering Information Part No. Temp. Range Package Outline # EL7457CU -40°C to +85°C 16-Pin QSOP MDP0040 EL7457CS -40°C to +85°C 16-Pin SO MDP0027 EL7457C 40MHz Non-Inverting Quad CMOS Driver |
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