JPS6461117A - Semiconductor output circuit - Google Patents
Semiconductor output circuitInfo
- Publication number
- JPS6461117A JPS6461117A JP62216411A JP21641187A JPS6461117A JP S6461117 A JPS6461117 A JP S6461117A JP 62216411 A JP62216411 A JP 62216411A JP 21641187 A JP21641187 A JP 21641187A JP S6461117 A JPS6461117 A JP S6461117A
- Authority
- JP
- Japan
- Prior art keywords
- trs
- level
- channel
- turned
- output terminal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Abstract
PURPOSE:To reduce power noise and ground noise by providing plural output transistors(TRs) deciding the potential at an output terminal and a control circuit for an inverter controlling the output TRs with a different timing. CONSTITUTION:In bringing a node A from 'H' level to 'L' level, an N-channel TR tr is turned off and a power supply VDD and an output terminal 0 are disconnected. In bringing the level of the node I from 'H' to 'L' level, P-channel TRs tB1, tB2,...tBi are turned on and N-channel TRs tC1, tC2,...tCi are turned off. Since the resistance of resistors R1, R2...Ri is in the relation of r1<r2<...<ri in this case, a delay of leading is caused in the order of nodes 1, 2-i. As a result, the current flowing from the output terminal 0 to ground GND is shared to i-set of the N-channel TRs tA1, tA2, tAi, thereby reducing the peak current and reducing ground noise.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62216411A JPS6461117A (en) | 1987-09-01 | 1987-09-01 | Semiconductor output circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62216411A JPS6461117A (en) | 1987-09-01 | 1987-09-01 | Semiconductor output circuit |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6461117A true JPS6461117A (en) | 1989-03-08 |
Family
ID=16688138
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP62216411A Pending JPS6461117A (en) | 1987-09-01 | 1987-09-01 | Semiconductor output circuit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6461117A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR950002233A (en) * | 1993-06-22 | 1995-01-04 | 프레데릭 얀 스미트 | Integrated circuit with output stage to reduce noise |
-
1987
- 1987-09-01 JP JP62216411A patent/JPS6461117A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR950002233A (en) * | 1993-06-22 | 1995-01-04 | 프레데릭 얀 스미트 | Integrated circuit with output stage to reduce noise |
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