MT46V16M8TG-8L MICRON [Micron Technology], MT46V16M8TG-8L Datasheet - Page 67

• Manufacturer Part Number: MT46V16M8TG-8L
• Description: DOUBLE DATA RATE DDR SDRAM
• Manufacturer: MICRON [Micron Technology]

TIMING PARAMETERS
128Mb: x4, x8, x16 DDR SDRAM
128Mx4x8x16DDR_C.p65 – Rev. C; Pub. 4/01
x4: A0-A9, A11
SYMBOL
t
t
t
t
t
t
t
t
t
t
CH
CL
CK (2.5)
CK (2)
DH
DS
DQSH
DQSL
DQSS
DSS
COMMAND
x16: A9, A11
x16: A0-A8
x8: A0-A9
BA0, BA1
NOTE: 1. DI n = data-out from column n; subsequent elements are provided in the programmed order.
x8: A11
DQS
DQ
CK#
CKE
A10
DM
CK
1
7. t DSH is applicable during t DQSS
5
2. Burst length = 4 in the case shown.
3. Disable auto precharge.
4. “Don’t Care” if A10 is HIGH at T8.
5. PRE = PRECHARGE, ACT = ACTIVE, RA = Row Address, BA = Bank Address.
6. NOP commands are shown for ease of illustration; other commands may be valid at these times.
8. t DSS is applicable during t DQSS
MIN
0.45
0.45
0.35
0.35
0.75
7.5
7.5
0.5
0.5
0.2
-75Z
t
t
IS
IS
NOP 6
T0
MAX
0.55
0.55
1.25
13
13
t
t
IH
IH
MIN
0.45
0.45
0.35
0.35
0.75
7.5
0.5
0.5
0.2
10
t
t
Bank x
IS
-75
IS
ACT
T1
RA
RA
RA
MAX
t
t
0.55
0.55
1.25
IH
IH
13
13
t
CK
(MIN)
(MAX)
t
t
RCD
RAS
MIN
0.45
0.45
0.35
0.35
0.75
and is referenced from CK T4 or T5.
0.6
0.6
0.2
10
and is referenced from CK T5 or T6.
8
NOP 6
T2
-8
WRITE – DM OPERATION
t
CH
MAX
0.55
0.55
1.25
13
13
t
CL
UNITS
WRITE 2
t
Bank x
IS
3
Col n
t
t
t
t
t
t
ns
ns
ns
ns
CK
CK
CK
CK
CK
CK
T3
t
t
IH
DQSS
t
WPRES
67
(NOM)
t
DS
t
WPRE
NOP 6
T4
DI
b
t
t
SYMBOL
t
t
t
t
t
t
t
t
DSH
IH
IS
RAS
RCD
RP
WPRE
WPRES
WPST
WR
t
DSH
t
DH
7
T4n
t
t
DSS
DQSL
Micron Technology, Inc., reserves the right to change products or specifications without notice.
8
MIN
NOP 6
0.25
0.2
0.4
45
20
20
15
T5
1
1
0
t
t
DSH
DQSH
-75Z
120,000
7
T5n
MAX
0.6
t
t
WPST
DSS
128Mb: x4, x8, x16
8
NOP 6
T6
MIN
0.25
0.2
0.4
45
20
20
15
1
1
0
-75
120,000
MAX
0.6
DDR SDRAM
t WR
NOP 6
T7
TRANSITIONING DATA
DON’T CARE
PRELIMINARY
MIN
0.25
0.2
1.1
1.1
0.4
50
20
20
15
0
©2001, Micron Technology, Inc.
-8
120,000
MAX
ALL BANKS
ONE BANK
0.6
Bank x 4
T8
PRE
t RP
UNITS
t
t
t
ns
ns
ns
ns
ns
ns
ns
CK
CK
CK