hyb39s256400dt Infineon Technologies Corporation, hyb39s256400dt Datasheet - Page 18

• Manufacturer Part Number: hyb39s256400dt
• Description: 256 Mbit Synchronous Dram
• Manufacturer: Infineon Technologies Corporation

AC Characteristics 1)2)
T
Parameter
Clock and Clock Enable
Clock Cycle Time
Clock Frequency
Access Time from Clock
Clock High Pulse Width
Clock Low Pulse Width
Transition time
Setup and Hold Times
Input Setup Time
Input Hold Time
CKE Setup Time
CKE Hold Time
Mode Register Set-up to Active
delay
Power Down Mode Entry Time
Common Parameters
Row to Column Delay Time
Row Precharge Time
Row Active Time
Row Cycle Time
INFINEON Technologies
A
= 0 to 70
o
C; V
CAS Latency = 3
CAS Latency = 2
CAS Latency = 3
CAS Latency = 2
CAS Latency = 3
CAS Latency = 2
SS
= 0 V; V
DD
, V
DDQ
Symbol
= 3.3 V ± 0.3 V, tT = 1 ns
t
t
t
t
t
t
t
t
t
t
t
t
t
CKH
RSC
RCD
t
t
CKS
RAS
t
CK
CK
AC
CH
RP
RC
CL
SB
IS
IH
T
min.
7.5
0.3
1.5
0.8
1.5
0.8
15
15
36
60
PC166-
6
–
–
–
–
2
2
2
0
333
-6
max. min.
100k
18
166
133
5.4
1.2
–
–
5
–
–
–
–
–
–
–
6
–
–
–
HYB39S256400/800/160DT(L)/DC(L)
7.5
2.5
2.5
0.3
1.5
0.8
1.5
0.8
15
15
37
60
PC133-
7
–
–
–
–
2
0
222
-7
Limit Values
256MBit Synchronous DRAM
max. min.
100k
143
133
5.4
5.4
1.2
–
–
–
–
–
–
–
–
–
7
–
–
–
7.5
2.5
2.5
0.3
1.5
0.8
1.5
0.8
10
20
20
45
67
PC133-
–
–
–
–
2
0
-7.5
333
max. min.
100k
133
100
5.4
1.2
7.5
–
–
6
–
–
–
–
–
–
–
–
–
–
0.5
10
20
20
48
70
PC100-
8
–
–
–
–
3
3
2
1
2
1
2
0
222
-8
max.
100k
125
100
2002-04-23
10
–
–
6
6
–
–
–
–
–
–
–
8
–
–
–
Unit
ns
ns
MHz
MHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
CLK
ns
ns
ns
ns
ns
2,
3,
6
4
4
4
4
5
5
5
5