參數(shù)資料
型號(hào): MC-4532DC726
廠商: NEC Corp.
英文描述: 32M-Word By72-BIT Dynamic RAM Module(32M×72位動(dòng)態(tài)RAM模塊)
中文描述: 32M的詞By72位動(dòng)態(tài)內(nèi)存模塊(32M的× 72位動(dòng)態(tài)內(nèi)存模塊)
文件頁(yè)數(shù): 5/20頁(yè)
文件大小: 174K
代理商: MC-4532DC726
5
MC-4532DC726
Block Diagram
(2/2)
Register 1
/CS0 - /CS1
DQMB0 - DQMB1
/RAS
/CAS
Register 2
/LE
/LE
/WE
A0 - A8
/RCS0 - /RCS1
RDQMB0 - RDQMB1
/RRAS
/RCAS
/RWE
RA0 - RA8
/RAS: D0 - D8, D18 - D26
/CAS: D0 - D8, D18 - D26
/WE: D0 - D8, D18 - D26
A0 - A8: D0 - D8, D18 - D26
/RCS0 - /RCS1
RDQMB4 - RDQMB5
/RRAS
/RCAS
/RWE
RA0 - RA8
/RAS: D9 - D17, D27 - D35
/CAS: D9 - D17, D27 - D35
/WE: D9 - D17, D27 - D35
A0 - A8: D9 - D17, D27 - D35
Register 3
/CS2 - /CS3
DQMB2 - DQMB3
CKE0
A9 - A11, BA0 - BA1
Register 4
/LE
/RCS2 - /RCS3
RDQMB2 - RDQMB3
RCKE0
RA9 - RA11, RBA0 - RBA1
CKE: D0 - D8, D18 - D26
A9 - A11, BA0 - BA1: D0 - D8, D18 - D26
DQMB4 - DQMB5
/LE
/RCS2 - /RCS3
RDQMB6 - RDQMB7
RCKE0
RA9 - RA11, RBA0 - RBA1
CKE: D9 - D17, D27 - D35
A9 - A11, BA0 - BA1: D9 - D17, D27 - D35
10 k
DQMB6 - DQMB7
REGE
Remarks 1.
The series resistor values of DQs are 10
.
2.
WP is not used yet. It is connected to ground.
3.
D0 - D35 :
μ
PD4564441 (Rev. E) (4M words
×
4 bits
×
4 banks)
4.
REGE
V
IL
: Buffer Mode
REGE
V
IH
: Register Mode
5.
Register : SN74ALVC16334DGG
PLL : CDC2509APW
6.
D0 - D8, D18 - D26, Register 1, Register 3, and PLL 1 are assembled on main PCB.
D9 - D17, D27 - D35, Register 2, Register 4 and PLL 2 are assembled on sub PCB.
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MC-454AA725 4M-Word By 72-BIT Dynamic RAM Module(4M×72位動(dòng)態(tài)RAM模塊)
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