參數(shù)資料
型號: HB54A2568KN
廠商: Elpida Memory, Inc.
英文描述: 256MB DDR SDRAM S.O.DIMM
中文描述: 256MB的DDR內(nèi)存的SODIMM
文件頁數(shù): 12/16頁
文件大小: 514K
代理商: HB54A2568KN
HB54A2568KN-A75B/B75B/10B
Preliminary Data Sheet E0148H20 (Ver. 2.0)
12
Electrical Specifications
Absolute Maximum Ratings
Parameter
Symbol
Value
Unit
Note
Voltage on any pin relative to VSS
VT
–1.0 to +4.6
V
1
Supply voltage relative to VSS
VCC, VCCQ
–1.0 to +4.6
V
1
Short circuit output current
IOUT
50
mA
Power dissipation
PT
8
W
Operating temperature
Topr
0 to +65
°C
Storage temperature
Tstg
–50 to +100
°C
Notes: 1. Respect to VSS.
DC Operating Conditions (TA = 0 to +65°C)
Parameter
Symbol
min.
Typ
max.
Unit
Notes
Supply voltage
VCC, VCCQ
2.3
2.5
2.7
V
1, 2
VSS
0
0
0
V
Input reference voltage
VREF
1.15
1.25
1.35
V
1
Termination voltage
VTT
VREF – 0.04
VREF
VREF + 0.04
V
1
DC Input high voltage
VIH
VREF + 0.18
VCCQ + 0.3
V
1, 3
DC Input low voltage
VIL
–0.3
VREF – 0.18
V
1, 4
DC Input signal voltage
VIN (dc)
–0.3
VCCQ + 0.3
V
5
DC differential input voltage
VSWING (dc) 0.36
VCCQ + 0.6
V
6
Notes: 1. All parameters are referred to VSS, when measured.
2. VCCQ must be lower than or equal to VCC.
3. VIH is allowed to exceed VCC up to 4.6V for the period shorter than or equal to 5ns.
4. VIL is allowed to outreach below VSS down to –1.0V for the period shorter than or equal to 5ns.
5. VIN (dc) specifies the allowable dc execution of each differential input.
6. VSWING (dc) specifies the input differential voltage required for switching.
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