參數(shù)資料
型號(hào): HYMP112S64MP8-E4
廠商: Hynix Semiconductor Inc.
英文描述: SCREW LOCKS FEMALE SETS
中文描述: DDR2 SDRAM的SO - DIMM插槽
文件頁(yè)數(shù): 7/17頁(yè)
文件大?。?/td> 405K
代理商: HYMP112S64MP8-E4
HYMP112S64(L)MP8
Rev. 0.1/ July 2004
7
Input AC Logic Level
AC Input Test Conditions
Notes:
1. Input waveform timing is referenced to the input signal crossing through the V
REF
level applied to the device under test.
2. The input signal minimum slew rate is to be maintained over the range from V
IL(dc)
max to V
IH(ac)
min for rising edges and the
range from V
IH(dc)
min to V
IL(ac)
max for falling edges as shown in the below figure.
3. AC timings are referenced with input waveforms switching from VIL(ac) to VIH(ac) on the positive transitions and VIH(ac) to
VIL(ac) on the negative transitions.
Parameter
Symbol
Min
Max
Unit
Note
AC Input logic High
VIH(AC)
VREF + 0.250
-
V
AC Input logic Low
VIL(AC)
-
VREF - 0.250
V
Symbol
Condition
Value
Units
Notes
V
REF
Input reference voltage
0.5 * V
DDQ
V
1
V
SWING(MAX)
Input signal maximum peak to peak swing
1.0
V
1
SLEW
Input signal minimum slew rate
1.0
V/ns
2, 3
V
DDQ
V
IH(ac)
min
V
IH(dc)
min
V
REF
V
IL(dc)
max
V
IL(ac)
max
V
SS
< Figure : AC Input Test Signal Waveform >
V
SWING(MAX)
delta TR
delta TF
Start of Falling Edge Input Timing
Start of Rising Edge Input Timing
V
IH
(dc)
min -
V
IL
(ac)
max
delta TF
Falling Slew =
Rising Slew = V
IH(ac)
min - V
IL(dc)
max
delta TR
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