DEVICE FOR PROGRAMMING READ-ONLY MEMORY CHIPS Russian patent published in 1995 - IPC

FIELD: automation and computer engineering. SUBSTANCE: device has interface unit 1, information inputs-outputs 2, interface unit inputs 3, control signal generator 4, matching four-channel signal receiver 5, control inputs 6-9, matching single-channel signal transmitter 10, synchronization output 11, selector decoder 12, register 13, AND gates unit 14, OR gate 15, delay gate 16, flip-flop 17, delay gates unit 18, first and second registers 19 and 20, controlled power supply 21, programming switches unit 22, address switches unit 23, control switches unit 24, outputs 25-27. Loop of memory chip programming consists of following operations: preliminary testing, storing information to memory locations and output test of recording results. EFFECT: increased functional capabilities. 2 dwg