M67204H
AC Parameters
AC Test Conditions
Input pulse levels: Gnd to 3.0V
Input rise/Fall times: 5 ns
Input timing reference levels: 1.5V
Output reference levels: 1.5V
Output load: See Figure 7
Figure 7. Output Load
Table 4. AC Test Conditions
M67204H- 15
Min. Max.
M67204H- 30
Min. Max.
Symbol (1)
Read Cycle
TRLRL
Symbol (2)
Parameter (3) (4)
Unit
tRC
Read cycle time
25
-
40
-
ns
ns
ns
ns
ns
ns
ns
ns
TRLQV
tA
Access time
15
-
30
-
TRHRL
tRR
Read recovery time
10
15
0
10
30
5
TRLRH
tRPW
tRLZ
tWLZ
tDV
Read pulse width (5)
-
-
TRLQX
Read low to data low Z (6)
Write high to data low Z (6) (7)
Data valid from read high
Read high to data high Z (6)
-
-
TWHQX
TRHQX
3
-
5
-
5
-
5
-
TRHQZ
tRHZ
-
15
-
20
Write Cycle
TWLWL
tWC
tWPW
tWR
tDS
Write cycle time
Write pulse width(5)
Write recovery time
Data set-up time
Data hold time
25
15
10
9
-
-
-
-
-
40
30
10
18
0
-
-
-
-
-
ns
ns
ns
ns
ns
TWLWH
TWHWL
TDVWH
TWHDX
Reset Cycle
TRSLWL
TRSLRSH
TWHRSH
tDH
0
tRSC
tRS
Reset cycle time
Reset pulse width (5)
Reset set-up time
25
15
20
-
-
-
40
30
30
-
-
-
ns
ns
ns
tRSS
11
4141J–AERO–04/07
ATMEL [ ATMEL ]
