JPH0396042U - - Google Patents

Info

Publication number
JPH0396042U
JPH0396042U JP366190U JP366190U JPH0396042U JP H0396042 U JPH0396042 U JP H0396042U JP 366190 U JP366190 U JP 366190U JP 366190 U JP366190 U JP 366190U JP H0396042 U JPH0396042 U JP H0396042U
Authority
JP
Japan
Prior art keywords
mode
test
circuit
pin
internal circuit
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
Application number
JP366190U
Other languages
English (en)
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP366190U priority Critical patent/JPH0396042U/ja
Publication of JPH0396042U publication Critical patent/JPH0396042U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Testing Or Measuring Of Semiconductors Or The Like (AREA)

Description

【図面の簡単な説明】
第1図は本考案の実施例を示す図、第2図は従
来の集積回路を説明するための図である。 図において1はテストピン、2は内部回路、3
は入力バツフア、4はプルアツプ抵抗、5は制御
ピン、6は双方向バツフアである。なお、図中同
一符号は同一また相当部分を示す。

Claims (1)

    【実用新案登録請求の範囲】
  1. 所望の回路を構成できる集積回路において、テ
    ストモードと通常モードとを切換えるための制御
    ピンと、前記制御ピンがテストモード時には入力
    モードとなりテストピンから入力された信号を内
    部回路に伝達し、通常モード時には出力モードと
    なり内部回路の出力信号を前記内部回路へ伝達す
    る双方向バツフアを持つテストピンとを備えたこ
    とを特徴とする集積回路。
JP366190U 1990-01-19 1990-01-19 Pending JPH0396042U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP366190U JPH0396042U (ja) 1990-01-19 1990-01-19

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP366190U JPH0396042U (ja) 1990-01-19 1990-01-19

Publications (1)

Publication Number Publication Date
JPH0396042U true JPH0396042U (ja) 1991-10-01

Family

ID=31507470

Family Applications (1)

Application Number Title Priority Date Filing Date
JP366190U Pending JPH0396042U (ja) 1990-01-19 1990-01-19

Country Status (1)

Country Link
JP (1) JPH0396042U (ja)

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