v54c365324v ETC-unknow, v54c365324v Datasheet - Page 11

• Manufacturer Part Number: v54c365324v
• Description: 200/183/166/143 Volt Ultra High Performance Sdram Banks 512kbit
• Manufacturer: ETC-unknow

M O S E L V I T E L I C
AC Characteristics
T
Notes for AC Parameters:
V54C365324V Rev. 1.2 August 2001
Read Cycle
25
27
28
Write Cycle
29
30
A
1. For proper power-up see the operation section of this data sheet.
2. AC timing tests have V
3. If clock rising time is longer than 1 ns, a time (t
4. If t
5. These parameter account for the number of clock cycle and depend on the operating frequency of the clock, as
6. Self Refresh Exit is a synchronous operation and begins on the 2nd positive clock edge after CKE returns high.
#
= 0 to 70 C; V
time is measured between V
in Figure 1.
follows:
the number of clock cycle = specified value of timing period (counted in fractions as a whole number)
Self Refresh Exit is not complete until a time period equal to tRC is satisfied once the Self Refresh Exit command
is registered.
Symbol Parameter
t
t
t
t
t
OH
HZ
DQZ
WR
DQW
T
is longer than 1 ns, a time (t
CAS Latency = 3
CAS Latency = 2
DQM Data Out Disable Latency
Write Recovery Time
CAS Latency = 3
CAS Latency = 2
DQM Write Mask Latency
COMMAND
OUTPUT
SS
CLK
= 0 V; V
(1,2,3)
IL
tCS
= 0.8V and V
CC
(Continued)
tCH
tLZ
IH
= 3.3 V
and V
tAC
T
tCK
1.4V
– 1) ns has to be added to this parameter.
IL
IH
. All AC measurements assume t
= 2.0V with the timing referenced to the 1.4 V crossover point. The transition
0.3 V, t
tOH
tAC
Min. Max. Min. Max. Min. Max. Min. Max. Min. Max.
t
tHZ
T
2.5
10
VIH
T
–
–
2
5
0
/2 – 0.5) ns has to be added to this parameter.
VIL
T
-5
= 1 ns
11
–
5
7
–
–
–
–
1.4V
Figure 1.
2.5
5.5
10
–
–
2
0
-55
5.3
–
7
–
–
–
–
I/O
Limit Values
2.5
T
10
–
–
2
6
0
= 1ns with the AC output load circuit shown
-6
5.5
Z=50 Ohm
–
7
–
–
–
–
2.5
10
–
–
2
7
0
-7
+ 1.4 V
50 Ohm
5.5
50 pF
–
7
–
–
–
–
2.5
10
V54C365324V
–
–
2
8
0
-8
–
6
7
–
–
–
–
Unit
CLK
CLK
ns
ns
ns
ns