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전자부품 반도체 검색엔진( 무료 PDF 다운로드 ) - 데이터시트뱅크

EDE5108GBSA 데이터 시트보기 (PDF) - Elpida Memory, Inc

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EDE5108GBSA
Elpida
Elpida Memory, Inc Elpida
EDE5108GBSA Datasheet PDF : 56 Pages
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EDE5104GBSA, EDE5108GBSA, EDE5116GBSA
AC Electrical Characteristics and Operating Conditions
Parameter
Symbol
min
max
Unit Notes
ODT turn-on delay
tAOND
2
2
tCK
ODT turn-on
tAON
tAC(min)
tAC(max) + 1000
ps 1
ODT turn-on (power - down mode)
tAONPD
tAC(min) + 2000 2tCK + tAC(max) + 1000
ps
ODT turn-off delay
tAOFD
2.5
2.5
tCK
ODT turn-off
tAOF
tAC(min)
tAC(max) + 600
ps 2
ODT turn-off (power - down mode)
tAOFPD
tAC(min) + 2000 2.5tCK + tAC(max) + 1000
ns
Notes: 1. ODT turn on time min is when the device leaves high impedance and ODT resistance begins to turn on.
ODT turn on time max is when the ODT resistance is fully on. Both are measured from tAOND.
2. ODT turn off time min is when the device starts to turn off ODT resistance.
ODT turn off time max is when the bus is in high impedance. Both are measured from tAOFD.
Test Conditions
CLK
VSWING
/CLK
tCK
tCL
tCH
VDD
VREF
VX
VSS
VDD
VIH
VREF
VIL
VSS
t
SLEW = (VIH (ac) – VIL (ac))/t
Measurement point
DQ
VTT
RT =25
Preliminary Data Sheet E0249E30 (Ver. 3.0)
9

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