參數(shù)資料
型號(hào): μPD45256441
廠商: NEC Corp.
英文描述: 256M-Bit Synchronous DRAM(256M 同步 動(dòng)態(tài)RAM)
中文描述: 256M位同步DRAM(256M同步動(dòng)態(tài)RAM)的
文件頁數(shù): 48/84頁
文件大?。?/td> 1052K
代理商: ΜPD45256441
μ
P
4
P
13.8
Clock Suspension during Burst Write (using CKE Function) (1/2) (Burst length = 4, /CAS latency = 2)
CLK
CKE
/RAS
/CAS
/WE
BA1
/CS
T
0
T
1
T
2
T
3
T
4
T
5
T
6
T
7
T
8
T
9
T
10
T
11
T
12
T
13
T
14
T
15
T
16
T
17
T
18
T
19
T
20
T
21
A10
ADD
DQM
DQ
BA0
AAA
AAA
AAA
AAA
AA
AAA
AAA
AAA
AAA
AA
AA
AAA
AAA
AAA
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
Bank A
Activate
Command
AAA
AAA
AA
AA
RAa
AAA
AAA
AAA
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
AA
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
CAa
AAAAAAAAAAAAAAAAAAAAAAAAAAAAA
AAAAAAAAAAAAAAAAAAAAAAAAAAAAA
Bank A
Write
Command
1- CLOCK
SUSPENDED
2- CLOCK
SUSPENDED
3- CLOCK
SUSPENDED
RAa
AAAAA
DAa2
AA
DAa3
AA
DAa1
Hi-z
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