參數(shù)資料
型號(hào): SAA4956TJ
廠商: NXP SEMICONDUCTORS
元件分類: 存儲(chǔ)器
英文描述: 2.9-Mbit field memory with noise reduction
中文描述: SPECIALTY MEMORY CIRCUIT, PDSO40
封裝: PLASTIC, SOJ-40
文件頁數(shù): 28/36頁
文件大小: 243K
代理商: SAA4956TJ
1998 Dec 08
28
Philips Semiconductors
Preliminary specification
2.9-Mbit field memory with noise reduction
SAA4956TJ
Fig.18 Cascade operation (signal connections).
handbook, full pagewidth
MGR690
SAA4956TJ
SAA4956TJ
RSTW
16
SWCK
15
RSTR
25
SRCK
26
14 to 3
WE
17
IE
18
RE
24
OE
23
12
12
12
27 to 38
data
outputs
RSTW
16
SWCK
15
RSTR
25
SRCK
26
14 to 3
WE
17
IE
18
RE
24
OE
23
27 to 38
Q0(V0) to
Q11(Y7)
D0(V0) to
D11(Y7)
Q0(V0) to
Q11(Y7)
D0(V0) to
D11(Y7)
data
inputs
serial
clock
enable
signal
Fig.19 Cascade operation (timing waveforms).
handbook, full pagewidth
read 2 times delayed old data
MGK692
SWCK
and
SRCK
RSTW
and
RSTR
WE and IE
and
RE and OE
data
inputs
(
×
12)
data
outputs
(
×
12)
VIH
VIL
VIH
VIL
VIH
VIL
VIH
VIL
7
6
5
4
3
2
1
6
5
4
3
2
1
write new data
VIH
VIL
new
4
new
5
new
6
new
new
1
2
new
3
2
3
4
5
6
old
old
old
old
old
1
old
high-Z
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