Tektronix DC 502

CHANGE TO:
DC 501
EFF SN B040000-up
Page 1 of 2
DC 502
EFF SN B040000-up
ELECTRICAL PARTS LIST
AND SCHEMATIC CHANGES
REMOVE :
U167
156-0100-00
Single 40 MHz J-K edge-triggered flip-flop,
replaceable by SN74H102
U169
156-0100-00
Single 40 MHz J-K edge-triggered flip-flop,
replaceable by SN74H102
Al
670-2102-01
MAIN Circuit Board Assembly
ADD:
670-3300-00
DIVIDE BY 5, Circuit Board Assembly
U1
156-0118-00
Dual 100 MHz J-K master-slave flip-flop,
replaceable by SN74S112
U2
156-0180-00
• Quad 2-input nand gate, replaceable by
SN74S00N
M20, 988/1073