ML65244 Datasheet, PDF (1/8 Pages) Micro Linear Corporation – High Speed Dual Quad Buffer/Line Drivers

August 1996
ML65244/ML65L244*
High Speed Dual Quad Buffer/Line Drivers
GENERAL DESCRIPTION
The ML65244 and ML65L244 are non-inverting dual quad
buffer/line drivers. The high operating frequency (50MHz
driving a 50pF load) and low propagation delay
(ML65244 – 1.7ns, ML65L244 – 2ns) make them ideal for
very high speed applications such as processor bus
buffering and cache and main memory control.
These buffers use a unique analog implementation to
eliminate the delays inherent in traditional digital designs.
Schottky clamps reduce under and overshoot, and special
output driver circuits limit ground bounce. The ML65244
and ML65L244 conform to the pinout and functionality of
the industry standard FCT244 and are intended for
applications where propagation delay is critical to the
system design.
Note: This part was previously numbered ML6582.
FEATURES
s Low propagation delay — 1.7ns ML65244
2.0ns ML65L244
s Fast Dual 4-bit TTL level buffer/line driver with tri-state
capability on the output (two 4-bit sections)
s TTL compatible input and output levels
s Schottky diode clamps on all inputs to handle
undershoot and overshoot
s Onboard schottky diodes minimize noise
s Reduced output swing of 0 – 4.1 volts
s Ground bounce controlled outputs, typically less
than 400mV
s Industry standard FCT244 type pinout
s Applications include high speed cache memory, main
memory, processor bus buffering, and graphics cards
BLOCK DIAGRAM
*This Part Is Obsolete
VCC _YAO
BO
YA1
B1
YA2
B2
YA3
B3
20
18
17
16
15
14
13
12
11
2G 19
VCC
1G 1
10
2
3
4
5
6
7
8
9
GND AO
YBO
A1
YB1
A2
YB2
A3
YB3
1