NT512D72S4PA0GR 데이터 시트보기 (PDF) - Nanya Technology
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NT512D72S4PA0GR Datasheet PDF : 14 Pages
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NT512D72S4PA0GR
512MB : 64M x 72
Registered DDR SDRAM DIMM
DC Electrical Characteristics and Operating Conditions
( TA = 0 °C ~ 70 °C ; VDDQ = 2.5V ± 0.2V; VDD = 2.5V ± 0.2V, See AC Characteristics)
Symbol
VDD
VDDQ
VSS , VSSQ
VREF
VTT
VIH(DC)
VIL(DC)
VIN(DC)
VID(DC)
Parameter
Supply Voltage
I/O Supply Voltage
Supply Voltage, I/O Supply Voltage
/O Reference Voltage
I/O Termination Voltage (System)
Input High (Logic1) Voltage
Input Low (Logic0) Voltage
Input Voltage Level, CK and CK Inputs
Input Differential Voltage, CK and CK Inputs
Min
Max
2.3
2.7
2.3
2.7
0
0
0.49 x VDDQ 0.51 x VDDQ
VREF – 0.04 VREF + 0.04
VREF + 0.15 VDDQ + 0.3
-0.3
VREF- 0.15
-0.3
VDDQ + 0.3
0.30
V DDQ + 0.6
Units
V
V
V
V
V
V
V
V
V
Notes
1
1
1,2
1,3
1
1
1
1,4
Input Leakage Current
II
Any input 0V ≤ VIN ≤ VDD; (All other pins not under test = 0V)
-5
5
uA
1
Output Leakage Current
IOZ
(DQs are disabled; 0V ≤ Vout ≤ VDDQ
Output High Current
IOH
(VOUT = VDDQ -0.373V, min VREF , min VTT )
-5
-16.8
5
uA
1
-
mA
1
Output Low Current
IOL
(VOUT = 0.373, max VREF , max VTT )
16.8
-
mA
1
1. Inputs are not recognized as valid until VREF stabilizes.
2. VREF is expected to be equal to 0.5 V DDQ of the transmitting device, and to track variations in the DC level of the same. Peak-to-peak
noise on VREF may not exceed 2% of the DC value.
3. VTT is not applied directly to the DIMM. VTT is a system supply for signal termination resistors, is expected to be set equal to VREF ,
and must track variations in the DC level of VREF .
4. VID is the magnitude of the difference between the input level on CK and the input level on CK .
Preliminary 08/01
8
© NANYA TECHNOLOGY CORP.
NANYA TECHNOLOGY CORP. reserves the right to change Products and Specifications without notice.
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