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參數(shù)資料
| 型號： | HY5PS1G831ALFP-Y5 |
| 廠商： | HYNIX SEMICONDUCTOR INC |
| 元件分類： | DRAM |
| 英文描述： | 128M X 8 DDR DRAM, PBGA68 |
| 封裝： | FBGA-68 |
| 文件頁數(shù)： | 5/36頁 |
| 文件大?。?/td> | 574K |
| 代理商： | HY5PS1G831ALFP-Y5 |
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Rev. 0.7 / Oct. 2007
13
HY5PS1G431A(L)FP
HY5PS1G831A(L)FP
HY5PS1G1631A(L)FP
3.2.4 Differential Input AC logic Level
Note:
1. VIN(DC) specifies the allowable DC execution of each input of differential pair such as CK, CK, DQS, DQS, LDQS,
LDQS, UDQS and UDQS.
2. VID(DC) specifies the input differential voltage |VTR -VCP | required for switching, where VTR is the true input (such
as CK, DQS, LDQS or UDQS) level and VCP is the complementary input (such as CK, DQS, LDQS or UDQS) level.
The minimum value is equal to VIH(DC) - V IL(DC).
Note:
1. VID(AC) specifies the input differential voltage |VTR -VCP | required for switching, where VTR is the true input signal
(such as CK, DQS, LDQS or UDQS) and VCP is the complementary input signal (such as CK, DQS, LDQS or UDQS).
The minimum value is equal to V IH(AC) - V IL(AC).
2. The typical value of VIX(AC) is expected to be about 0.5 * VDDQ of the transmitting device and VIX(AC) is expected
to track variations in VDDQ . VIX(AC) indicates the voltage at which differential input signals must cross.
3.2.5 Differential AC output parameters
Note:
1. The typical value of VOX(AC) is expected to be about 0.5 * V DDQ of the transmitting device and VOX(AC) is
expected to track variations1. in VDDQ . VOX(AC) indicates the voltage at which differential output signals must
cross.
Symbol
Parameter
Min.
Max.
Units
Notes
VID (ac)
ac differential input voltage
0.5
VDDQ + 0.6
V
1
VIX (ac)
ac differential cross point voltage
0.5 * VDDQ - 0.175
0.5 * VDDQ + 0.175
V
2
Symbol
Parameter
Min.
Max.
Units
Notes
VOX (ac)
ac differential cross point voltage
0.5 * VDDQ - 0.125
0.5 * VDDQ + 0.125
V
1
VDDQ
Crossing point
VSSQ
VTR
VCP
VID
VIX or VOX
< Differential signal levels >
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相關(guān)代理商/技術(shù)參數(shù) |
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| HY5PS1G831CFP | 制造商:HYNIX 制造商全稱:Hynix Semiconductor 功能描述:1Gb DDR2 SDRAM |
| HY5PS1G831CFP-C4 | 制造商:HYNIX 制造商全稱:Hynix Semiconductor 功能描述:1Gb DDR2 SDRAM |
| HY5PS1G831CFP-E3 | 制造商:HYNIX 制造商全稱:Hynix Semiconductor 功能描述:1Gb DDR2 SDRAM |
| HY5PS1G831CFP-S5 | 制造商:HYNIX 制造商全稱:Hynix Semiconductor 功能描述:1Gb DDR2 SDRAM |
| HY5PS1G831CFP-Y5 | 制造商:HYNIX 制造商全稱:Hynix Semiconductor 功能描述:1Gb DDR2 SDRAM |
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