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Class Information
Number: 326/71
Name: Electronic digital logic circuitry > Interface (e.g., current drive, level shift, etc.) > Logic level shifting (i.e., interface between devices of different logic families) > Field-effect transistor (e.g., jfet, mosfet, etc.) > Ttl to/from mos > Ttl to/from cmos
Description: Subject matter comprising the interfacing between a transistor-transistor logic device and a complementary MOS device.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7598950 |
Display control device with multipurpose output driver |
Oct. 6, 2009 |
| 7554361 |
Level shifter and method thereof |
Jun. 30, 2009 |
| 7336100 |
Single supply level converter |
Feb. 26, 2008 |
| 7038491 |
Level shifter for wide range operation |
May. 2, 2006 |
| 6721212 |
Memory control circuit and control system for a plurality of memories interconnected via plural logic interfaces |
Apr. 13, 2004 |
| 6456120 |
Capacitor-coupling differential logic circuit |
Sep. 24, 2002 |
| 6411140 |
Method and apparatus for reducing skew between input signals and clock signals within an integrated circuit |
Jun. 25, 2002 |
| 6307396 |
Low-consumption TTL-CMOS input buffer stage |
Oct. 23, 2001 |
| 6236236 |
2.5 volt input/output buffer circuit tolerant to 3.3 and 5 volts |
May. 22, 2001 |
| 6232803 |
Tightly controlled output level CMOS-PECL driver |
May. 15, 2001 |
| 6097216 |
Integrated buffer circuits having improved noise immunity and TTL-to-CMOS signal conversion capability |
Aug. 1, 2000 |
| 6091264 |
Schmitt trigger input stage |
Jul. 18, 2000 |
| 6069492 |
Voltage compensating CMOS input buffer circuit |
May. 30, 2000 |
| 6064226 |
Multiple input/output level interface input receiver |
May. 16, 2000 |
| 6040714 |
Method for providing two modes of I/O pad termination |
Mar. 21, 2000 |
| 5986472 |
Voltage level translation for an output driver system with a bias generator |
Nov. 16, 1999 |
| 5955893 |
Power saving buffer circuit buffer bias voltages |
Sep. 21, 1999 |
| 5945844 |
Threshold voltage scalable buffer with reference level |
Aug. 31, 1999 |
| 5905386 |
CMOS SONET/ATM receiver suitable for use with pseudo ECL and TTL signaling environments |
May. 18, 1999 |
| 5883528 |
Five volt tolerant TTL/CMOS and CMOS/CMOS voltage conversion circuit |
Mar. 16, 1999 |
| 5880601 |
Signal receiving circuit and digital signal processing system |
Mar. 9, 1999 |
| 5872464 |
Input buffer with stabilized trip points |
Feb. 16, 1999 |
| 5861763 |
Threshold voltage scalable buffer with reference level |
Jan. 19, 1999 |
| 5751166 |
Input buffer circuit and method |
May. 12, 1998 |
| 5731713 |
TTL to CMOS level translator with voltage and threshold compensation |
Mar. 24, 1998 |
| 5703500 |
Threshold voltage scalable buffer with reference level |
Dec. 30, 1997 |
| 5654664 |
Input buffer circuit for a semiconductor memory |
Aug. 5, 1997 |
| 5633602 |
Low voltage CMOS to low voltage PECL converter |
May. 27, 1997 |
| 5612635 |
High noise-margin TTL buffer circuit capable of operation with wide variation in the power supply voltage |
Mar. 18, 1997 |
| 5602496 |
Input buffer circuit including an input level translator with sleep function |
Feb. 11, 1997 |
| 5602495 |
Apparatus for providing an output voltage with substantially identical rising and falling characteristics |
Feb. 11, 1997 |
| 5600267 |
Apparatus for a programmable CML to CMOS translator for power/speed adjustment |
Feb. 4, 1997 |
| 5589783 |
Variable input threshold adjustment |
Dec. 31, 1996 |
| 5559461 |
Drive circuit detecting slow signal transition |
Sep. 24, 1996 |
| 5557219 |
Interface level programmability |
Sep. 17, 1996 |
| 5541533 |
Output circuit for an TTL-CMOS integrated circuit |
Jul. 30, 1996 |
| 5532620 |
Input buffer circuit capable of corresponding to variation of operating voltage in semiconductor integrated circuit |
Jul. 2, 1996 |
| 5525914 |
CMOS driver circuit |
Jun. 11, 1996 |
| 5517131 |
TTL input buffer with on-chip reference bias regulator and decoupling capacitor |
May. 14, 1996 |
| 5502405 |
Method and apparatus for CML/EC to CMOS/TTL translators |
Mar. 26, 1996 |
| 5486778 |
Input buffer for translating TTL levels to CMOS levels |
Jan. 23, 1996 |
| 5471149 |
High-speed large output amplitude voltage level shifting circuit |
Nov. 28, 1995 |
| 5469080 |
Low-power, logic signal level converter |
Nov. 21, 1995 |
| 5467044 |
CMOS input circuit with improved supply voltage rejection |
Nov. 14, 1995 |
| 5440248 |
Power-saver differential input buffer |
Aug. 8, 1995 |
| 5438280 |
Input circuit receiving input signal of TTL level |
Aug. 1, 1995 |
| 5418477 |
Data output buffer pull-down circuit for TTL interface |
May. 23, 1995 |
| 5406139 |
Input buffer utilizing a cascode to provide a zero power TTL to CMOS input with high speed switching |
Apr. 11, 1995 |
| RE34808 |
TTL/CMOS compatible input buffer with Schmitt trigger |
Dec. 20, 1994 |
| 5332935 |
ECL and TTL to CMOS logic converter |
Jul. 26, 1994 |
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