參數(shù)資料
型號(hào): HYS64D16001GDL-7-B
廠商: INFINEON TECHNOLOGIES AG
英文描述: 200-Pin Small Outline Dual-In-Line Memory Modules
中文描述: 200引腳小外型雙列直插內(nèi)存模塊
文件頁(yè)數(shù): 20/31頁(yè)
文件大?。?/td> 777K
代理商: HYS64D16001GDL-7-B
8
8
10
10
0.6
0.6
2.5
Data Sheet
20
V1.2, 2003-08
HYS64D[1600x/32020]GDL–[5/6/7/8]–B
Small Outline DDR SDRAM Modules
AC Characteristics
9) The maximum limit for this parameter is not a device limit. The device operates with a greater value for this parameter, but
system performance (bus turnaround) degrades accordingly.
10) Fast slew rate
1.0 V/ns , slow slew rate
0.5 V/ns and < 1 V/ns for command/address and CK & CK slew rate > 1.0 V/
ns, measured between
V
OH(ac)
and
V
OL(ac)
.
11) For each of the terms, if not already an integer, round to the next highest integer.
t
CK
is equal to the actual system clock
cycle time.
12) A maximum of eight Autorefresh commands can be posted to any given DDR SDRAM device.
Table 12
Parameter
AC Timing - Absolute Specifications –8/–7
Symbol
–8
–7
Unit Note/
Test Condition
1)
DDR200
Min
.
0.8
0.8
0.4
5
0.4
5
min. (
t
CL
,
t
CH
)
12
12
12
12
DDR266A
Min.
Max.
Max.
DQ output access time from CK/CK
t
AC
+0.8
–0.75
+0.75
ns
2)3)4)5)
DQS output access time from CK/CK
t
DQSCK
+0.8
–0.75
+0.75
ns
2)3)4)5)
CK high-level width
t
CH
0.55
0.45
0.55
t
CK
2)3)4)5)
CK low-level width
t
CL
0.55
0.45
0.55
t
CK
2)3)4)5)
Clock Half Period
Clock cycle time
t
HP
t
CK3
t
CK2.5
t
CK2
t
CK1.5
t
DH
t
DS
t
IPW
min. (
t
CL
,
t
CH
)
ns
ns
ns
ns
ns
ns
ns
ns
2)3)4)5)
7
7
7.5
0.5
0.5
2.2
12
12
12
CL = 3.0
2)3)4)5)
CL = 2.5
2)3)4)5)
CL = 2.0
2)3)4)5)
CL = 1.5
2)3)4)5)
2)3)4)5)
DQ and DM input hold time
DQ and DM input setup time
Control and Addr. input pulse width
(each input)
DQ and DM input pulse width (each
input)
Data-out high-impedance time from CK/
CK
Data-out low-impedance time from CK/
CK
Write command to 1
st
DQS latching
transition
DQS-DQ skew (DQS and associated
DQ signals)
Data hold skew factor
DQ/DQS output hold time
2)3)4)5)
2)3)4)5)6)
t
DIPW
2.0
1.75
ns
2)3)4)5)6)
t
HZ
0.8
0.8
0.7
5
+0.8
–0.75
+0.75
ns
2)3)4)5)7)
t
LZ
+0.8
–0.75
+0.75
ns
2)3)4)5)7)
t
DQSS
1.25
0.75
1.25
t
CK
2)3)4)5)
t
DQSQ
+0.6
+0.5
ns
2)3)4)5)
t
QHS
t
QH
t
HP
t
QH
S
0.3
5
1.0
t
HP
t
QHS
0.75
ns
ns
2)3)4)5)
2)3)4)5)
DQS input low (high) pulse width (write
cycle)
t
DQSL,H
0.35
t
CK
2)3)4)5)
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