參數(shù)資料
型號(hào): 935249800518
廠商: NXP SEMICONDUCTORS
元件分類(lèi): 存儲(chǔ)器
英文描述: SPECIALTY MEMORY CIRCUIT, PDSO40
封裝: 10.16 MM, PLASTIC, SO-40
文件頁(yè)數(shù): 14/30頁(yè)
文件大?。?/td> 223K
代理商: 935249800518
1999 Apr 29
21
Philips Semiconductors
Product specication
2.9-Mbit eld memory
SAA4955TJ
Fig.17 Cascade operation (signal connections).
handbook, full pagewidth
MGK691
SAA4955TJ
RSTW
16
SWCK
15
RSTR
25
SRCK
26
14 to 3
WE
17
IE
18
RE
24
OE
23
12
D0 to D11
27 to 38
Q0 to Q11
data
outputs
RSTW
16
SWCK
15
RSTR
25
SRCK
26
14 to 3
WE
17
IE
18
RE
24
OE
23
D0 to D11
27 to 38
Q0 to Q11
data
inputs
reset
signal
serial
clock
enable
signal
Fig.18 Cascade operation (timing waveforms).
handbook, full pagewidth
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
read 2 times delayed old data
write new data
VIH
VIL
new
4
new
5
new
6
new
12
new
3
23456
old
1
old
high-Z
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