參數(shù)資料
型號(hào): MC-458CA721ESA-A80
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(wàn)字的72位同步動(dòng)態(tài)隨機(jī)存儲(chǔ)器模塊以便內(nèi)存
文件頁(yè)數(shù): 8/16頁(yè)
文件大小: 142K
代理商: MC-458CA721ESA-A80
Data Sheet M14494EJ2V0DS00
8
MC-458CA721ESA, 458CA721PSA
Synchronous Characteristics
Parameter
Symbol
-A80
-A10
Unit
Note
MIN.
MAX.
MIN.
MAX.
Clock cycle time
/CAS latency = 3
t
CK3
8
(125 MHz)
10
(100 MHz)
ns
/CAS latency = 2
t
CK2
10
(100 MHz)
13
(77 MHz)
ns
Access time from CLK
/CAS latency = 3
t
AC3
6
6
ns
1
/CAS latency = 2
t
AC2
6
7
ns
1
CLK high level width
t
CH
3
3
ns
CLK low level width
t
CL
3
3
ns
Data-out hold time
t
OH
3
3
ns
1
Data-out low-impedance time
t
LZ
0
0
ns
Data-out high-impedance time
/CAS latency = 3
t
HZ3
3
6
3
6
ns
/CAS latency = 2
t
HZ2
3
6
3
7
ns
Data-in setup time
t
DS
2
2
ns
Data-in hold time
t
DH
1
1
ns
Address setup time
t
AS
2
2
ns
Address hold time
t
AH
1
1
ns
CKE setup time
t
CKS
2
2
ns
CKE hold time
t
CKH
1
1
ns
CKE setup time (Power down exit)
t
CKSP
2
2
ns
Command (/CS0, /RAS, /CAS, /WE,
DQMB0 - DQMB7) setup time
t
CMS
2
2
ns
Command (/CS0, /RAS, /CAS, /WE,
DQMB0 - DQMB7) hold time
t
CMH
1
1
ns
Note 1.
Output load
Output
Z = 50
50 pF
Remark
These specifications are applied to the monolithic device.
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MC-458CA721PSA 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-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
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