参数资料
型号: MT46V8M8
厂商: Micron Technology, Inc.
英文描述: 2 Meg x 8 x 4 banks DDR SDRAM(2 M x 8 x 4组,双数据速率同步动态RAM)
中文描述: 2梅格× 8 × 4银行DDR SDRAM内存(2米× 8 × 4组,双数据速率同步动态RAM)的
文件页数: 44/69页
文件大小: 2369K
代理商: MT46V8M8
44
64Mb: x4, x8, x16 DDR SDRAM
64Mx4x8x16DDR_B.p65
Rev. B; Pub. 10/00
Micron Technology, Inc., reserves the right to change products or specifications without notice.
2000, Micron Technology, Inc.
64Mb: x4, x8, x16
DDR SDRAM
AC INPUT OPERATING CONDITIONS
(Notes: 1
5, 14, 16; notes appear on pages 48
51) (0
°
C
T
A
+70
°
C; V
DD
= +2.5V ±0.2V, V
DD
Q = +2.5V ±0.2V)
PARAMETER/CONDITION
Input High (Logic 1) Voltage; DQ
Input Low (Logic 0) Voltage; DQ
Clock Input Differential Voltage; CK and CK#
Clock Input Crossing Point Voltage; CK and CK#
I/O Reference Voltage
SYMBOL
V
IH
(
AC
)
V
IL
(
AC
)
V
ID
(
AC
)
V
IX
(
AC
) 0.5 x V
DD
Q - 0.2 0.5 x V
DD
Q + 0.2
V
REF
(
AC
)
0.49 x V
DD
Q
MIN
MAX
UNITS
V
V
V
V
V
NOTES
14, 28, 40
14, 28, 40
8
9
6
V
REF
+ 0.310
0.7
V
REF
- 0.310
V
DD
Q + 0.6
0.51 x V
DD
Q
CAPACITANCE (x4, x8)
(Note: 13; notes appear on pages 48
51)
PARAMETER
Delta Input/Output Capacitance: DQs, DQS, DM
Delta Input Capacitance: Command and Address
Delta Input Capacitance: CK, CK#
Input/Output Capacitance: DQs, DQS, DM
Input Capacitance: Command and Address
Input Capacitance: CK, CK#
Input Capacitance: CKE
SYMBOL
DC
IO
DC
I
1
DC
I
2
C
IO
C
I
1
C
I
2
C
I
3
MIN
4.0
2.0
2.0
2.0
MAX
0.50
0.50
0.25
5.0
3.0
3.0
3.0
UNITS
pF
pF
pF
pF
pF
pF
pF
NOTES
24
29
29
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