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Class Information
Number: 326/128
Name: Electronic digital logic circuitry > Function of and, or, nand, nor, or not > Bipolar transistor (e.g., rtl, dctl, etc.) > Transistor-transistor logic (ttl)
Description: Subject matter wherein the logic function unit includes a forward-biased input transistor which is responsive to an input logic signal at each of its one or more emitters and with its collector being directly coupled to the base of an output transistor.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7106093 |
Semiconductor device |
Sep. 12, 2006 |
| 6400184 |
Transistor output circuit |
Jun. 4, 2002 |
| 6002269 |
TTL logic driver circuit |
Dec. 14, 1999 |
| 5408136 |
Circuit for providing fast logic transitions |
Apr. 18, 1995 |
| 5298802 |
Semiconductor integrated circuit device with a plurality of logic circuits having active pull-down functions |
Mar. 29, 1994 |
| 5296760 |
Voltage translator |
Mar. 22, 1994 |
| 5291075 |
Fault detection circuit |
Mar. 1, 1994 |
| 5287021 |
Low noise BICMOS circuit |
Feb. 15, 1994 |
| 5283480 |
Semiconductor integrated circuit device with a plurality of logic circuits having active pull-down functions |
Feb. 1, 1994 |
| 5281862 |
Power MOSFET driver with cross-conduction current reduction |
Jan. 25, 1994 |
| 5278463 |
Bi-CMOS logic circuit with inverter feedback for high speed |
Jan. 11, 1994 |
| 5266847 |
High speed data transceiver |
Nov. 30, 1993 |
| 5229660 |
Integrated circuit with means to prevent its logic output circuit breakdown |
Jul. 20, 1993 |
| 5227680 |
ECL/TTL translator circuit |
Jul. 13, 1993 |
| 5184029 |
Driver circuit for circuit tester |
Feb. 2, 1993 |
| 5134315 |
Synchronous counter terminal count output circuit |
Jul. 28, 1992 |
| 5132562 |
Push-pull driver without input saturation or output leakage |
Jul. 21, 1992 |
| 5126593 |
Method and circuitry for reducing output transients resulting from internal ground instabilities |
Jun. 30, 1992 |
| 5047672 |
ECL/TTL conversion circuit and translation programmable array logic |
Sep. 10, 1991 |
| 5039892 |
High speed data/tri-state sense circuit |
Aug. 13, 1991 |
| 5034631 |
TTL compatible output circuit with a high switching speed |
Jul. 23, 1991 |
| 5023482 |
ISL to TTL translator |
Jun. 11, 1991 |
| 4999520 |
High speed TTL buffer circuit which is resistive to the influence of alpha-rays |
Mar. 12, 1991 |
| 4985648 |
Switching output circuit with high speed operation and low power consumption |
Jan. 15, 1991 |
| 4972104 |
TTL totem pole anti-simultaneous conduction circuit |
Nov. 20, 1990 |
| 4958090 |
Non-current hogging dual phase splitter TTL circuit |
Sep. 18, 1990 |
| 4920286 |
Method and circuitry for compensating for negative internal ground voltage glitches |
Apr. 24, 1990 |
| 4912344 |
TTL output stage having auxiliary drive to pull-down transistor |
Mar. 27, 1990 |
| 4897705 |
Lateral bipolar transistor for logic circuit |
Jan. 30, 1990 |
| 4814645 |
TTL circuit having improved pulldown circuit |
Mar. 21, 1989 |
| 4713561 |
Transistor circuit with controlled collector saturation voltage |
Dec. 15, 1987 |
| 4705968 |
Semiconductor integrated circuit device with high breakdown voltage level |
Nov. 10, 1987 |
| 4698525 |
Buffered Miller current compensating circuit |
Oct. 6, 1987 |
| 4697103 |
Low power high current sinking TTL circuit |
Sep. 29, 1987 |
| 4697102 |
Bipolar logic circuit having two multi-emitter transistors with an emitter of one connected to the collector of the other to prevent saturation |
Sep. 29, 1987 |
| 4682050 |
Small signal swing driver circuit |
Jul. 21, 1987 |
| 4682056 |
Switching circuit having low speed/power product |
Jul. 21, 1987 |
| 4675548 |
Antisaturation circuit for TTL circuits having TTL input and output compatibility |
Jun. 23, 1987 |
| 4672242 |
Reduced power/temperature controlled TTL tri-state buffer utilizing three phase splitter transistors |
Jun. 9, 1987 |
| 4661727 |
Multiple phase-splitter TTL output circuit with improved drive characteristics |
Apr. 28, 1987 |
| 4656367 |
Speed up of up-going transition of TTL or DTL circuits under high _capacitive load |
Apr. 7, 1987 |
| 4631422 |
TTL circuit with a clamping transistor for speedy turn-off of output transistor |
Dec. 23, 1986 |
| 4613887 |
Semiconductor device with a means for discharging carriers |
Sep. 23, 1986 |
| 4607175 |
Non-inverting high speed low level gate to Schottky transistor-transistor logic translator |
Aug. 19, 1986 |
| 4593210 |
Switching circuit with active pull-off |
Jun. 3, 1986 |
| 4591741 |
Drive circuit for output pull-down transistor |
May. 27, 1986 |
| 4562364 |
TTL Circuit in which transient current is prevented from flowing therethrough |
Dec. 31, 1985 |
| 4542331 |
Low-impedance voltage reference |
Sep. 17, 1985 |
| 4535258 |
Transistor-transistor logic circuit with improved switching times |
Aug. 13, 1985 |
| 4521699 |
High-speed schottky TTL gate apparatus |
Jun. 4, 1985 |
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