
23-34
23
ELECTRICAL CHARACTERISTICS
32192/32195/32196 Group Hardware Manual
Rev.1.10 REJ09B0123-0110 Apr.06.07
(13) Read and write timing (4/4)
Symbol
Parameter
Rated Value
Unit
See Fig.
MIN
MAX
23.9.15
tw(WRL)
Write "L" Pulse Width
0 wait state:
ns
[68]
(byte enable mode)
- 6
1-plus wait states:
(2W-C-S)-20
td(RDH-WRL) Write Delay Time after Read
tc(CLKOUT)(
+R+ID)-10
ns
[80]
(byte enable mode)
td(WRH-RDL) Read Delay Time after Write
0 wait state:
ns
[81]
(byte enable mode)
- 20
1-plus wait states:
tc(CLKOUT)(1+R+
)-20
td(CSL-WRL)
Chip Select Delay Time before Write
(1+S) - 15
ns
[96]
(byte enable mode)
td(A-WRL)
Address Delay Time before Write
(1+C+S)-15
ns
[69]
(byte enable mode)
td(CS-WRL)
Chip Select Delay Time before Write
(1+S) - 15
ns
[70]
(byte enable mode)
tv(WRH-A)
Address Valid Time after Write
0 wait state: -5
ns
[71]
(byte enable mode)
1-plus wait states:
tc(CLKOUT)(
+R) - 5
tv(WRH-CS)
Chip Select Valid Time after Write
0 wait state: -5
ns
[72]
(byte enable mode)
1-plus wait states:
tc(CLKOUT)(
+R) - 5
td(BLEL-WRL) Byte Enable Delay Time before Write
(1+S) - 15
ns
[73]
td(BHEL-WRL) (byte enable mode)
tv(WRH-BLEL) Byte Enable Valid Time after Write
0 wait state: -5
ns
[74]
tv(WRH-BHEL) (byte enable mode)
1-plus wait states:
tc(CLKOUT)(
+R) - 5
td(WRL-D)
Data Output Delay Time after Write
0 wait state: 7
ns
[75]
(byte enable mode)
1-plus wait states:
15 -
(S+C)
tv(WRH-D)
Data Output Valid Time after Write
0 wait state : -7
ns
[76]
(byte enable mode)
1-plus wait states:
tc(CLKOUT)(
+R)-13
tpzx(WRH-DZ) Data Output Enable Time after Write
0 wait state:-20
ns
[127]
(byte enable mode)
1-plus wait states:
-22-
(S+C)
tpxz(WRH-DZ) Data Output Disable Time after Write
0 wait state: 5
ns
[77]
(byte enable mode)
1-plus wait states:
tc(CLKOUT)( +R) + 5
23.9 A.C. Characteristics (when VCCE = 5 V)
Switching
characteristics
tc(CLKOUT)
2
1
2
tc(CLKOUT)
2
tc(CLKOUT)
2
tc(CLKOUT)
2
tc(CLKOUT)
2
tc(CLKOUT)
2
tc(CLKOUT)
2
C+S
2
1
2
1
2
1
2
1
2
1+C+S
2
tc(CLKOUT)
2
tc(CLKOUT)
2