參數(shù)資料
型號(hào): W971GG6IB-25
廠商: WINBOND ELECTRONICS CORP
元件分類(lèi): DRAM
英文描述: 32M X 16 DDR DRAM, 0.4 ns, PBGA84
封裝: 8 X 12.50 MM, ROHS COMPLIANT, WBGA-84
文件頁(yè)數(shù): 33/86頁(yè)
文件大小: 1360K
代理商: W971GG6IB-25
W971GG6IB
Publication Release Date: Oct. 23, 2009
- 39 -
Revision A02
9.7
Capacitance
SYM.
PARAMETER
MIN.
MAX.
UNIT
CCK
Input Capacitance , CLK and
CLK
1.0
2.0
pF
CDCK
Input Capacitance delta , CLK and
CLK
0.25
pF
CI
input Capacitance, all other input-only pins
1.0
2.0
pF
CDI
Input Capacitance delta, all other input-only pins
0.25
pF
CIO
Input/output Capacitance, DQ, LDM, UDM, LDQS,
LDQS , UDQS, UDQS
2.5
3.5
pF
CDIO
Input/output Capacitance delta, DQ, LDM, UDM,
LDQS,
LDQS , UDQS, UDQS
0.5
pF
9.8
Leakage and Output Buffer Characteristics
SYM.
PARAMETER
MIN.
MAX.
UNIT
NOTES
IIL
Input Leakage Current
(0V≦VIN≦VDD)
-2
2
A
1
IOL
Output Leakage Current
(Output disabled, 0V≦VOUT≦VDDQ)
-5
5
A
2
VOH
Minimum Required Output Pull-up
VTT + 0.603
V
VOL
Maximum Required Output Pull-down
VTT - 0.603
V
IOH(dc)
Output Minimum Source DC Current
-13.4
mA
3, 5
IOL(dc)
Output Minimum Sink DC Current
13.4
mA
4, 5
Notes:
1. All other pins not under test = 0 V.
2. DQ, LDQS, LDQS , UDQS, UDQS are disabled and ODT is turned off.
3. VDDQ = 1.7 V; VOUT = 1.42 V. (VOUT - VDDQ)/IOH must be less than 21 for values of VOUT between VDDQ and VDDQ -
0.28V.
4. VDDQ = 1.7 V; VOUT = 0.28V. VOUT/IOL must be less than 21 for values of VOUT between 0 V and 0.28V.
5. The values of IOH(dc) and IOL(dc) are based on the conditions given in Notes 3 and 4. They are used to test drive current
capability to ensure VIHmin plus a noise margin and VILmax minus a noise margin are delivered to an SSTL_18 receiver.
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