Datasheet

314
2545T–AVR–05/11
ATmega48/88/168
Notes: 1. t
WLRH
is valid for the write flash, write EEPROM, write fuse bits and write lock bits commands.
2. t
WLRH_CE
is valid for the chip erase command.
t
XLOL
XTAL1 low to OE low 0
ns
t
BVDV
BS1 valid to DATA valid 0 250
t
OLDV
OE low to DATA valid 250
t
OHDZ
OE high to DATA tri-stated 250
Table 29-8. Parallel programming characteristics, V
CC
= 5V ±10%. (Continued)
Symbol Parameter Min. Typ. Max. Units