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ML6518CS, ML65244, ML65244CK

Table of contents:
Info of ML6518CS
Info of ML65244
Info of ML65244CK

ML6518CS, ML65244, ML65244CK Selling Leads, Datasheet

MFG:ML Package Cooled:SOP D/C:07+

ML6518CS, ML65244, ML65244CK Datasheet download

Five Points

Part Number: ML6518CS

MFG: ML

Package Cooled: SOP

D/C: 07+

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ML65244 General Description

The ML65244 and ML65L244 are non-inverting dual quadbuffer/line drivers. The high operating frequency (50MHz driving a 50pF load) and low propagation delay(ML65244 1.7ns, ML65L244 2ns) make them ideal forvery high speed applications such as processor busbuffering and cache and main memory control.

These buffers use a unique analog implementation toeliminate the delays inherent in traditional digital designs. Schottky clamps reduce under and overshoot, and specialoutput driver circuits limit ground bounce. The ML65244and ML65L244 conform to the pinout and functionality ofthe industry standard FCT244 and are intended forapplications where propagation delay is critical to thesystem design.

Note: This part was previously numbered ML6582.

ML65244 Maximum Ratings

V_CC ................................................................ 0.3V to 7V
DC Input voltage ................................ 0.3 to V_CC + 0.3V
AC Input voltage (< 20ns)........................................3.0V
DC Output voltage ............................. 0.3 to V_CC + 0.3V
Output sink current (per pin) ................................. 120mA
Storage temperature ................................ 65 to 150
Junction temperature .............................................. 150
Thermal Impedance (q_JA)
SOIC ............................................................... 96°C/W
QSOP ............................................................ 100°C/W

ML65244 Features

Low propagation delay - 1.7ns ML65244
2.0ns ML65L244
Fast Dual 4-bit TTL level buffer/line driver with tri-statecapability on the output (two 4-bit sections)
TTL compatible input and output levels
Schottky diode clamps on all inputs to handleundershoot and overshoot
Onboard schottky diodes minimize noise
Reduced output swing of 0 4.1 volts
Ground bounce controlled outputs, typically lessthan 400mV
Industry standard FCT244 type pinout
Applications include high speed cache memory, mainmemory, processor bus buffering, and graphics cards

ML65244 Typical Application

There are a wide variety of needs for extremely fast buffersin high speed processor system designs like Pentium,PowerPC, Mips, Sparc, Alpha and other RISC processors.These applications are either in the cache memory area orthe main memory (DRAM) area. In addition, fast buffersfind applications in high speed graphics and multimedia applications. The high capacitive loading due tomultiplexed address lines on the system bus demandexternal buffers to take up the excess drive current. Theneeded current to skew the transitions between rise andfall times must be done without adding excessivepropagation delay. The ML65244 and ML65L244 areequipped with Schottky diodes to clean up ringing fromovershoot and undershoot caused by reflections inunterminated board traces.

ML65244 Connection Diagram

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