參數(shù)資料
型號: MT46V32M81AZ4-6T:G
元件分類: DRAM
英文描述: 32M X 4 DDR DRAM, 0.75 ns, PDSO66
封裝: 0.400 INCH, PLASTIC, TSOP-66
文件頁數(shù): 44/82頁
文件大小: 2866K
128Mb: x4, x8, x16
DDR SDRAM
09005aef8074a655
Micron Technology, Inc., reserves the right to change products or specifications without notice.
128MBDDRx4x8x16_2.fm - Rev. J 7/04 EN
49
2000 Micron Technology, Inc. All rights reserved.
Figure 34: SSTL_2 Clock Input
NOTE:
1. This provides a minimum of 1.15V to a maximum of 1.35V, and is always half of VDDQ.
2. CK and CK# must cross in this region.
3. CK and CK# must meet at least VID(DC) min when static and is centered around VMP(DC)
4. CK and CK# must have a minimum 700mv peak to peak swing.
5. CK or CK# may not be more positive than VDDQ+ 0.3V or more negative than Vss - 0.3V.
6. For AC operation, all DC clock requirements must also be satisfied.
7. Numbers in diagram reflect nominal values, for non-DDR400 devices.
Table 14:
Clock Input Operating Conditions
0°C
≤ T
A ≤ +70°C; VDDQ = VDD = +2.5V ±0.2V (VDDQ = VDD = +2.6V ±0.1V for DDR400)
Notes: 1–5, 15, 16, 30; notes appear on page 61-64
PARAMETER/CONDITION
SYMBOL
MIN
MAX
UNITS
NOTES
Clock Input Mid-Point Voltage; CK and CK#
VMP(DC)
1.15
1.35
V
Clock Input Voltage Level; CK and CK#
VIN(DC)
-0.3
VDDQ + 0.3
Clock Input Differential Voltage; CK and CK#
VID(DC)
0.36
VDDQ + 0.6
Clock Input Differential Voltage; CK and CK#
VID(AC)
0.7
VDDQ + 0.6
Clock Input Crossing Point Voltage; CK and CK#
VIX(AC)
0.5 x VDDQ - 0.2 0.5 x VDDQ + 0.2
CK
CK#
2.80V
2
3
5
Maximum Clock Level
Minimum Clock Level
4
- 0.30V
1.25V
1.45V
1.05V
VID (AC)
VID (DC)
X
1
VMP (DC)
VIX (AC)
X
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