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參數(shù)資料
| 型號： | MC-458CA721PSA |
| 廠商： | NEC Corp. |
| 英文描述： | 8M-WORD BY 72-BIT SYNCHRONOUS DYNAMIC RAM MODULE SO DIMM |
| 中文描述： | 800萬字的72位同步動態(tài)隨機存儲器模塊以便內(nèi)存 |
| 文件頁數(shù)： | 5/16頁 |
| 文件大?。?/td> | 142K |
| 代理商： | MC-458CA721PSA |
Data Sheet M14494EJ2V0DS00
5
MC-458CA721ESA, 458CA721PSA
Electrical Specifications
All voltages are referenced to V
SS
(GND).
After power up, wait more than 100
μ
s and then, execute power on sequence and CBR (Auto) refresh before proper
device operation is achieved.
Absolute Maximum Ratings
Parameter
Symbol
Condition
Rating
Unit
Voltage on power supply pin relative to GND
V
CC
–0.5 to +4.6
V
Voltage on input pin relative to GND
V
T
–0.5 to +4.6
V
Short circuit output current
I
O
50
mA
Power dissipation
P
D
5
W
Operating ambient temperature
T
A
0 to 70
°
C
Storage temperature
T
stg
–55 to +125
°
C
Caution
Exposing the device to stress above those listed in Absolute Maximum Ratings could cause
permanent damage. The device is not meant to be operated under conditions outside the limits
described in the operational section of this specification. Exposure to Absolute Maximum Rating
conditions for extended periods may affect device reliability.
Recommended Operating Conditions
Parameter
Symbol
Condition
MIN.
TYP.
MAX.
Unit
Supply voltage
V
CC
3.0
3.3
3.6
V
High level input voltage
V
IH
2.0
V
CC
+
0.3
V
Low level input voltage
V
IL
–0.3
+0.8
V
Operating ambient temperature
T
A
0
70
°
C
Capacitance (T
A
= 25
°
C, f = 1 MHz)
Parameter
Symbol
Test condition
MIN.
TYP.
MAX.
Unit
Input capacitance
C
I1
A0 - A11, BA0(A13), BA1(A12),
/RAS, /CAS, /WE
17
34
pF
C
I2
CLK0
23
37
C
I3
CKE0
18
30
C
I4
/CS0
18
30
C
I5
DQMB0 - DQMB7
5
16.5
Data input/output capacitance
C
I/O
DQ0 - DQ63, CB0 - CB7
5
13
pF
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相關(guān)代理商/技術(shù)參數(shù) |
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| MC-458CA721PSA-A10 | 制造商:NEC 制造商全稱:NEC 功能描述:8M-WORD BY 72-BIT SYNCHRONOUS DYNAMIC RAM MODULE SO DIMM |
| MC-458CA721PSA-A80 | 制造商:NEC 制造商全稱:NEC 功能描述:8M-WORD BY 72-BIT SYNCHRONOUS DYNAMIC RAM MODULE SO DIMM |
| MC-458CA721XSA | 制造商:ELPIDA 制造商全稱:Elpida Memory 功能描述:8M-WORD BY 72-BIT SYNCHRONOUS DYNAMIC RAM MODULE (SO DIMM) |
| MC-458CA721XSA-A10 | 制造商:ELPIDA 制造商全稱:Elpida Memory 功能描述:8M-WORD BY 72-BIT SYNCHRONOUS DYNAMIC RAM MODULE (SO DIMM) |
| MC-458CA721XSA-A80 | 制造商:ELPIDA 制造商全稱:Elpida Memory 功能描述:8M-WORD BY 72-BIT SYNCHRONOUS DYNAMIC RAM MODULE (SO DIMM) |
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