APU0071
AC Characteristics
Mode
Write Mode
(Refer to Fig-3)
Read Mode
(Refer to Fig-4)
Item
E Cycle Time
E Rise / Fall Time
E Pules Width (High, Low)
R / W and RS Setup Time
R / W and RS Hold Time
Data Setup Time
Data Hold Time
E Cycle Time
E Rise / Fall Time
E Pules Width (High, Low)
R / W and RS Setup Time
R / W and RS Hold Time
Data Setup Time
Data Hold Time
(VDD = 4.5V to 5.5V, Ta = -30 to +85°C)
Symbol Min Typ Max
tC 500
tr, tf 20
tW 230
tSU1 40
th1
10
tSU2 80
th2
10
tC 500
tr, tf 20
tW 230
tSU
40
th
10
tD
120
tDH
20
Unit
ns
ns
Mode
Item
E Cycle Time
E Rise / Fall Time
E Pules Width (High, Low)
Write Mode
(Refer to Fig-3)
R / W and RS Setup Time
R / W and RS Hold Time
Data Setup Time
Data Hold Time
E Cycle Time
E Rise / Fall Time
E Pules Width (High, Low)
Read Mode
(Refer to Fig-4)
R / W and RS Setup Time
R / W and RS Hold Time
Data Setup Time
Data Hold Time
(VDD = 2.7V to 4.5V, Ta = -30 to +85°C)
Symbol Min Typ Max Unit
tC 1000
tr, tf 25
tW 450
tSU1 60
ns
th1
20
tSU2 195
th2
10
tC 1000
tr, tf 25
tW 450
tSU
60
ns
th
20
tD
360
tDH
5
Copyright ANPEC Electronics Corp.
26
Rev. A.07 - FEB., 2002
www.anpec.com.tw