EDE1108AJBG データシートの表示（PDF） - Elpida Memory, Inc
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EDE1108AJBG Datasheet PDF : 75 Pages
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EDE1108AJBG, EDE1116AJBG
DC Characteristics 2 (TC = 0°C to +85°C, VDD, VDDQ = 1.8V ± 0.1V)
Parameter
Symbol
Value
Unit Notes
Input leakage current
ILI
2
µA VDD ≥ VIN ≥ VSS
Output leakage current
ILO
Minimum required output pull-up under AC
test load
VOH
Maximum required output pull-down under
AC test load
VOL
Output timing measurement reference level VOTR
5
VTT + 0.603
VTT − 0.603
0.5 × VDDQ
µA VDDQ ≥ VOUT ≥ VSS
V
V
V
1
Output minimum sink DC current
IOL
+13.4
mA 3, 4
Output minimum source DC current
IOH
−13.4
mA 2, 4
Notes: 1. The VDDQ of the device under test is referenced.
2. VDDQ = 1.7V; VOUT = 1.42V.
3. VDDQ = 1.7V; VOUT = 0.28V.
4. The DC value of VREF applied to the receiving device is expected to be set to VTT.
DC Characteristics 3 (TC = 0°C to +85°C, VDD, VDDQ = 1.8V ± 0.1V)
Parameter
Symbol
min.
max.
Unit Notes
AC differential input voltage
VID (AC)
0.5
VDDQ + 0.6
V
1, 2
AC differential cross point voltage
VIX (AC)
0.5 × VDDQ − 0.175 0.5 × VDDQ + 0.175 V
2
AC differential cross point voltage
VOX (AC)
0.5 × VDDQ − 0.125 0.5 × VDDQ + 0.125 V
3
Notes: 1. VID (AC) specifies the input differential voltage |VTR -VCP| required for switching, where VTR is the true
input signal (such as CK, DQS, RDQS) and VCP is the complementary input signal (such as /CK, /DQS,
/RDQS). The minimum value is equal to VIH (AC) − VIL (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. The typical value of VOX (AC) is expected to be about 0.5 × 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.
VDDQ
VTR
VCP
VID
Crossing point
VIX or VOX
VSSQ
Differential Signal Levels*1, 2
Data Sheet E1732E21 (Ver.2.1)
11
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