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23
ELECTRICAL CHARACTERISTICS
23-26
32185/32186 Group Hardware Manual
Rev.1.10 REJ09B0235-0110 May 15, 07
23.9 A.C. Characteristics (when VCCE = 5 V)
(10) Read and write timing (1/4)
Symbol
Parameter
Rated Value
Unit
See Figs.
MIN
MAX
23.9.10
23.9.11
tsu(D-CLKOUTH)
Data Input Setup Time before CLKOUT
26
ns
[31]
th(CLKOUTH-D)
Data Input Hold Time after CLKOUT
0
ns
[32]
tsu(WAITL-CLKOUTH) WAIT# Input Setup Time before CLKOUT
26
ns
[33]
th(CLKOUTH-WAITL) WAIT# Input Hold Time after CLKOUT
0
ns
[34]
tsu(WAITH-CLKOUTH) WAIT# Input Setup Time before CLKOUT
26
ns
[78]
th(CLKOUTH-WAITH) WAIT# Input Hold Time after CLKOUT
0
ns
[79]
tv(CLKOUTH-BLWL)
Write Valid Time after CLKOUT
-5
ns
[90]
tv(CLKOUTH-BHWL) (with zero wait state)
td(CLKOUTH-RDL)
Read Delay Time after CLKOUT
12
ns
[92]
(when either SWAIT or CWAIT = 1)
td(CLKOUTH-BLWL)
Write Delay Time after CLKOUT
13
ns
[112]
td(CLKOUTH-BHWL) (byte write mode)
(when either SWAIT or CWAIT = 1)
td(CLKOUTL-BLWH)
Write Delay Time after CLKOUT
14
ns
[97]
td(CLKOUTL-BHWH)
tc(CLKOUT)
CLKOUT Output Cycle Time
ns
[16]
tw(CLKOUTH)
CLKOUT Output "H" Pulse Width
-5
ns
[17]
tw(CLKOUTL)
CLKOUT Output "L" Pulse Width
-5
ns
[18]
td(CLKOUTH-A)
Address Delay Time after CLKOUT
24
ns
[19]
td(CLKOUTH-CS)
Chip Select Delay Time after CLKOUT
24
ns
[20]
(When CWAIT=0)
td(CLKOUTL-CSL)
Chip Select Delay Time after CLKOUT
24
ns
[113]
(When CWAIT=1)
tv(CLKOUTH-A)
Address Valid Time after CLKOUT
-5
ns
[21]
tv(CLKOUTH-CS)
Chip Select Valid Time after CLKOUT
-5
ns
[22]
td(CLKOUTL-RDL)
Read Delay Time after CLKOUT
10
ns
[23]
(When both SWAIT and CWAIT=0
or both SWAIT and CWAIT=1)
tv(CLKOUTH-RDL)
Read Valid Time after CLKOUT
-5
ns
[24]
td(CLKOUTL-BLWL)
Write Delay Time after CLKOUT
11
ns
[25]
td(CLKOUTL-BHWL)
(When both SWAIT and CWAIT=0
or both SWAIT and CWAIT=1)
tv(CLKOUTL-BLWL)
Write Valid Time after CLKOUT
-5
ns
[26]
tv(CLKOUTL-BHWL)
td(CLKOUTL-D)
Data Output Delay Time after CLKOUT
0 wait state:11
ns
[27]
1-plus wait states:18
tv(CLKOUTH-D)
Data Output Valid Time after CLKOUT 0 wait state: -4
ns
[28]
1-plus wait states: -10
tpzx(CLKOUTL-DZ)
Data Output Enable Time after CLKOUT
-10
ns
[29]
tpxz(CLKOUTH-DZ)
Data Output Disable Time after CLKOUT
5
ns
[30]
tw(CSH)
Chip Select "H" Pulse Width
C=0:
ns
[114]
(tc(CLKOUT)xID)-15ID
C=1:
tc(CLKOUT) ( + ID)-15
Timing
requirements
Switching
characteristics
tc(XIN)
2
tc(CLKOUT)
2
tc(CLKOUT)
2
1
2