MC68HC05B4 Datasheet, PDF (230/298 Pages) Motorola, Inc – High-density Complementary Metal Oxide Semiconductor (HCMOS) Microcomputer Unit

Address
HDSK out
(PC5)
Data
HDSK in
(PC6)
F29
Data read
Figure F-5 Timing diagram with handshake
Data read
Address
Data
t_COOE
t_COOE
t_COOE
t_CDDE
t_ADE
t_DHE
t_ADE
t_DHE
t_ADE
t_DHE
t_ADE
t_DHE
t_ADE max (address to data delay)
t_DHA min (data hold time)
t_COOE (load cycle time)
t_CDDE (programming cycle time)
5 machine cycles
14 machine cycles
117 machine cycles < t_COOE < 150 machine cycles
t_COOE + t_PROG (10 ms nominal for EPROM; 10ms for EEPROM1))
1 machine cycle = 1/(2f₀(Xtal))
Figure F-6 Parallel EPROM loader timing diagram
14
MOTOROLA
F-14
MC68HC705B16N
TPG
MC68HC05B6
Rev. 4