Datasheet

Page 39
65fo5002,10.voN01.1.veR
0110-8300B30JER
puorG08/C23M
5. Electrical Characteristics
VCC1=VCC2=5V
lobmySretemaraP
tnemerusaeM
noitidnoC
dradnatS
tinU
.niM.xaM
dt
)DA-KLCB( emiTyaleDtuptuOsserddA 81sn
ht
)DA-KLCB( )dradnatsKLCB(emiTdloHtuptuOsserddA 3-sn
ht
)DA-DR( )dradnatsDR(emiTdloHtuptuOsserddA )1etoN(sn
ht
)DA-RW( )dradnatsRW(emiTdloHtuptuOsserddA )1etoN(sn
dt
)SC-KLCB( emiTyaleDtuptuOlangiStceleS-pihC 81sn
ht
)SC-KLCB( )dradnatsKLCB(emiTdloHtuptuOlangiStceleS-pihC 3-sn
ht
)SC-DR( )dradnatsDR(emiTdloHtuptuOlangiStceleS-pihC )1etoN(sn
ht
)SC-RW( )dradnatsRW(emiTdloHtuptuOlangiStceleS-pihC )1etoN(sn
dt
)DR-KLCB( emiTyaleDtuptuOlangiSDR 81sn
ht
)DR-KLCB( emiTdloHtuptuOlangiSDR 5-sn
dt
)RW-KLCB( emiTyaleDtuptuOlangiSRW 81sn
ht
)RW-KLCB( emiTdloHtuptuOlangiSRW 5-sn
dt
)RW-BD( )dradnatsRW(emiTyaleDtuptuOataD )2etoN(sn
ht
(-RW)BD )dradnatsRW(emiTdloHtuptuOataD )1etoN(sn
dt
)ELA-KLCB( )dradnatsKLCB(emiTyaleDtuptuOlangiSELA 81sn
ht
)ELA-KLCB( )dradnatsKLCB(emiTdloHtuptuOlangiSELA 5-sn
dt
)ELA-DA( )dradnatssserdda(emiTyaleDtuptuOlangiSELA )3etoN(sn
ht
)DA-ELA( )dradnatssserdda(emiTdloHtuptuOlangiSELA )4etoN(sn
zdt
)DA-DR( emiTtratStaolFtuptuOsserddA 8sn
t d(DB – WR) =
10 X m
9
– 25
[ns] (if external bus cycle is aφ + bφ, m= (bx2)-1)
t
h(RD – AD) =
f
(BCLK) X 2
10
9
– 10
[ns]
t
h(WR – AD) =
f
(BCLK) X 2
10
9
– 10
[ns]
t
h(RD – CS) =
f
(BCLK) X 2
10
9
– 10
[ns]
t
h(WR – CS) =
f
(BCLK) X 2
10
9
– 10
[ns]
t
h(WR – DB) =
f
(BCLK) X 2
10
9
– 10
[ns]
t
d(AD – ALE) =
f
(BCLK) X 2
9
– 20
[ns] (if external bus cycle is aφ + bφ, n= a)
t
h(ALE – AD) =
f
(
BCLK
)
X 2
9
– 10
[ns] (if external bus cycle is aφ + bφ, n= a)
f
(BCLK) X 2
1. Values can be obtained from the following equations, according to BCLK frequency.
2. Values can be obtained from the following equations, according to BCLK frequency and external bus cycle.
3. Values can be obtained from the following equations, according to BCLK frequency and external bus cycle.
10 X m
10 X n
4. Values can be obtained from the following equations, according to BCLK frequency and external bus cycle.
10 X n
NOTES:
See Figure 5.1
Switching Characteristics
(VCC = 4.2 to 5.5V, VSS = 0V at Topr = –20 to 85
o
C unless otherwise specified)
Table 5.20 Memory Expansion Mode and Microprocessor Mode
(when accessing an external memory space with the multiplexed bus)