參數(shù)資料
型號(hào): μPD45256163
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(yè)數(shù): 59/84頁(yè)
文件大?。?/td> 1052K
代理商: ΜPD45256163
5
μ
P
P
13.15 Random Row Write (Ping-Pong banks) (1/2) (Burst length = 8, /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
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
L
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
H
AAAAAAAAAAA
AAAAAAAAAAA
AAAAAAAAAAA
AAAAAAAAAAA
Bank A
Activate
Command
Bank A
Write
Command
Bank A
Precharge
Command
AA
AA
AAA
AAA
AAA
AAA
AA
AAAAA
AAAAAAAAAAAA
AAAAAAAAAAAA
AAAAAAAAAAA
AAAAAAAAAAA
AAAAAAAAAAA
AA
A
AA
AAA
AAA
AAA
RAa
AAAAAAAA
AAAAAAAA
AAAAAAAA
AAAAAAAA
AAA
AAA
AAA
AAAAAAAA
AAAAAAAA
AAAAAAAA
AAAAAAAA
AAA
AAA
Bank D
Write
Command
Bank A
Activate
Command
Bank A
Write
Command
DAa1 DAa2 DAa3 DAa4 DAa5 DAa6 DAa7 DAa8
AAA
AAA
AAA
AAA
AAAAAAA
AAAA
AAAA
AAAA
AAAA
AAAA
AAAA
AAAA
AAAA
AAAA
AAA
RDa
DBa1
DDa1 DDa2 DDa3 DDa4 DDa5 DDa6 DDa7 DDa8 DAb1 DAb2 DAb3
Bank D
Precharge
Command
Bank D
Activate
Command
Hi-Z
AAA
AAA
AAA
AAA
AAA
AAA
AAA
AA
AAA
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