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参数资料
| 型号： | V59C1G01164QAUF37H |
| 厂商： | PROMOS TECHNOLOGIES INC |
| 元件分类： | DRAM |
| 英文描述： | 64M X 16 DDR DRAM, PBGA92 |
| 封装： | ROHS COMPLIANT, FBGA-92 |
| 文件页数： | 55/79页 |
| 文件大小： | 1028K |
| 代理商： | V59C1G01164QAUF37H |
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59
ProMOS TECHNOLOGIES
V59C1G01(408/808/168)QA
V59C1G01(408/808/168)QA Rev. 1.3 June 2008
NOTE 1 The typical value of VOX(AC) is expected to be about 0.5 x VDDQ of the transmitting
device and VOX(AC) is expected to track variations in VDDQ . VOX(AC) indicates the voltage at which
differential output signals must cross.
Overshoot/undershoot specification
Differential input AC logic level
Symbol
Parameter
Min.
Max.
Units
Notes
V
ID (ac)
ac differential input voltage
0.5
VDDQ + 0.6
V
1
V
IX (ac)
ac differential crosspoint voltage
0.5 x VDDQ - 0.175
0.5 x VDDQ + 0.175
V
2
Dif ferential AC output parameters
Symbol
Parameter
Min.
Max.
Units
Notes
V
OX (ac)
ac differential crosspoint voltage
0.5 x VDDQ - 0.125
0.5 x VDDQ + 0.125
V
1
AC overshoot/undershoot specification for address and control pins:
A0-A15, BA0-BA2, CS, RAS, CAS, WE, CKE, ODT
Parameter
Specification
DDR2-667
DDR2-800
Maximum peak amplitude allowed for overshoot area (See Figure 74):
0.5(0.9)1 V
Maximum peak amplitude allowed for undershoot area (See Figure 74):
0.5(0.9)1 V
Maximum overshoot area above VDD (See Figure 74).
0.8 V-ns
0.66 V-ns
Maximum undershoot area below VSS (See Figure 74).
0.8 V-ns
0.66 V-ns
NOTE 1
The maximum requirements for peak amplitude were reduced from 0.9V to 0.5V. Register vendor data sheets will spec-
ify the maximum over/undershoot induced in specific RDIMM applications. DRAM vendor data sheets will also specify the maxi-
mum overshoot/undershoot that their DRAM can tolerate. This will allow the RDIMM supplier to understand whether the DRAM
can tolerate the overshoot that the register will induce in the specific RDIMM application.
VDDQ
Crossing point
VSSQ
VTR
VCP
VID
VIX or VOX
Differenti al signal levels
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).
NOTE 2
The typical value of VIX(AC) is expected to be about 0.5 x 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.
AC & DC operating conditions (cont'd)
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