JPH0267417U - - Google Patents
Info
- Publication number
- JPH0267417U JPH0267417U JP14565988U JP14565988U JPH0267417U JP H0267417 U JPH0267417 U JP H0267417U JP 14565988 U JP14565988 U JP 14565988U JP 14565988 U JP14565988 U JP 14565988U JP H0267417 U JPH0267417 U JP H0267417U
- Authority
- JP
- Japan
- Prior art keywords
- power failure
- control circuit
- detection terminal
- failure detection
- memory control
- 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
- 238000001514 detection method Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Power Sources (AREA)
Description
図面は本考案に係るメモリー制御回路を示す図
である。
1は電源トランス、2は電源スイツチ、3はマ
イクロコンピユータ、Qは停電検出用制御トラン
ジスタ。
The drawing is a diagram showing a memory control circuit according to the present invention. 1 is a power transformer, 2 is a power switch, 3 is a microcomputer, and Q is a control transistor for power failure detection.
Claims (1)
有するメモリー制御回路であつて、前記停電検出
端子に接続された制御素子に対する制御電圧を電
源トランスの1次側より得る構成としたことを特
徴とするメモリ制御回路。 A memory control circuit having a power failure detection terminal for detecting a power failure state of a commercial power supply, characterized in that the control voltage for a control element connected to the power failure detection terminal is obtained from the primary side of a power transformer. Memory control circuit.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14565988U JPH0267417U (en) | 1988-11-08 | 1988-11-08 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14565988U JPH0267417U (en) | 1988-11-08 | 1988-11-08 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0267417U true JPH0267417U (en) | 1990-05-22 |
Family
ID=31414447
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP14565988U Pending JPH0267417U (en) | 1988-11-08 | 1988-11-08 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0267417U (en) |
-
1988
- 1988-11-08 JP JP14565988U patent/JPH0267417U/ja active Pending