W981216 WINBOND [Winbond], W981216 Datasheet - Page 6

• Manufacturer Part Number: W981216
• Description: 2M x 16 bit x 4 Banks SDRAM
• Manufacturer: WINBOND [Winbond]

SYMBOL
AC CHARACTERISTICS AND OPERATING CONDITION
(Vcc=3.3V 0.3V, Ta=0 to 70 C Notes:5, 6, 7, 8)
(CL=CAS Latency)
Revision 1.0
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
RCD
CCD
t
RRD
t
t
t
t
t
t
t
t
CKH
CMS
CMH
RSC
RAS
t
CKS
REF
WR
RC
RP
CK
CH
AC
OH
t
DS
DH
AH
CL
HZ
SB
AS
LZ
T
Ref/Active to Ref/Active Command Period
Active to precharge Command Period
Active to Read/Write Command Delay Time
Read/Write(a) to Read/Write(b)Command Period
Precharge to Active Command Period
Active(a) to Active(b) Command Period
Write Recovery Time
CLK Cycle Time
CLK High Level width
CLK Low Level width
Access Time from CLK
Output Data Hold Time
Output Data High Impedance Time
Output Data Low Impedance Time
Power Down Mode Entry Time
Transition Time of CLK (Rise and Fall)
Data-in Set-up Time
Data-in Hold Time
Address Set-up Time
Address Hold Time
CKE Set-up Time
CKE Hold Time
Command Set-up Time
Command Hold Time
Refresh Time
Mode register Set Cycle Time
PARAMETER
- 6 -
CL*=2
CL*=3
CL*=2
CL*=3
CL*=2
CL*=3
2M x 16 bit x 4 Banks SDRAM
MIN
7.5
7.5
2.5
2.5
2.7
2.7
0.5
1.5
0.8
1.5
0.8
1.5
0.8
1.5
0.8
65
45
20
20
15
10
10
15
-75 (PC133)
1
0
0
Publication Release Date: March, 1999
100000
MAX
1000
1000
5.4
7.5
7.5
10
64
6
MIN
0.5
68
48
20
20
20
10
10
16
-8H (PC100)
1
8
8
3
3
3
3
0
0
2
1
2
1
2
1
2
1
W981216AH
100000
MAX
1000
1000
10
64
6
6
8
8
cycle
UNIT
ms
ns
ns
ns