參數(shù)資料
型號(hào): HB52F89EM
廠商: Hitachi,Ltd.
英文描述: 64 MB Unbuffered SDRAM DIMM(64 MB 未緩沖同步DRAM DIMM)
中文描述: 64 MB的無緩沖SDRAM的內(nèi)存(64 MB的未緩沖同步的DRAM內(nèi)存)
文件頁數(shù): 18/71頁
文件大?。?/td> 906K
代理商: HB52F89EM
HB52F88EM-75F, HB52F89EM-75F, HB52F168EN-75F, HB52F169EN-
18
Absolute Maximum Ratings
Note:
1.Respect to V
SS
DC Operating Conditions (Ta = 0 to +65
°
C)
Notes:
1.All voltage referred to V
SS
2.The supply voltage with all VCC pins must be on the same level.
3.The supply voltage with all VSS pins must be on the same level.
4.V
IH
(max) = V
CC
+ 2.0 V for pulth width
3 ns at V
CC
.
5. V
IL
(min) = V
SS
– 2.0 V for pulth width
3 ns at V
SS
.
V
IL
/V
IH
Clamp (Component characteristic)
This SDRAM component has V
IL
and V
IH
clamp for CK, CKE, S, DQMB and DQ pins.
Parameter
Voltage on any pin relative to V
SS
Symbol
V
T
Value
–0.5 to V
CC
+ 0.5
(
4.6 (max))
–0.5 to +4.6
50
8.0
Unit
V
Note
1
Supply voltage relative to V
SS
Short circuit output current
Power dissipation (HB52F88EM/
168EN)
Power dissipation (HB52F89EM/
169EN)
Operating temperature
Storage temperature
V
CC
Iout
P
T
V
mA
W
1
P
T
9.0
W
Topr
Tstg
0 to +65
–55 to +125
°
C
°
C
Parameter
Supply voltage
Symbol
V
CC
V
SS
V
IH
V
IL
Min
3.0
0
2.0
–0.3
Max
3.6
0
V
CC
+ 0.3
0.8
Unit
V
V
V
V
Notes
1, 2
3
1, 4
1, 5
Input high voltage
Input low voltage
相關(guān)PDF資料
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