參數(shù)資料
型號(hào): MC-4516DC72
廠商: NEC Corp.
英文描述: 16 M-Word By 72-Bit Synchronous Dynamic RAM Module(同步動(dòng)態(tài)RAM 模塊)
中文描述: 16米,由72個(gè)字位同步動(dòng)態(tài)隨機(jī)存儲(chǔ)器模塊(同步動(dòng)態(tài)內(nèi)存模塊)
文件頁(yè)數(shù): 18/24頁(yè)
文件大?。?/td> 211K
代理商: MC-4516DC72
1
M
CLK
CKE
/CS
/RAS
/CAS
/WE
BA1
A10
ADD
DQ
T0
T1
T2
T3
T4
T5
T6
T7
T8
T9
T10
T11
T12
T13
T14
T15
T16
T17
T18
T19
T20
T21
t
RCD
Hi-Z
t
RC
t
RRD
t
DAL
t
DPL
t
RP
AC Parameters for Write Timing (Burst length = 4, /CAS latency = 2)
t
CKH
t
CMH
t
CMS
t
AS
t
AH
t
CKS
B
a
Auto Precharge
Start for Bank D
Auto Precharge
Start for Bank A
B
w
a
B
a
B
w
a
B
a
B
a
B
p
B
w
w
a
Remark
All internal signals (A0 - A11, BA0, BA1, /CS0, CKE0, /RAS, /CAS, /WE, DQM) from register are delayed by one cycle. Therefore, DQ is delayed by one cycle.
DQM
L
t
DS
t
DH
BA0
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