參數(shù)資料
型號: 935249800512
廠商: NXP SEMICONDUCTORS
元件分類: 存儲器
英文描述: SPECIALTY MEMORY CIRCUIT, PDSO40
封裝: 10.16 MM, PLASTIC, SO-40
文件頁數(shù): 25/30頁
文件大小: 223K
代理商: 935249800512
1999 Apr 29
4
Philips Semiconductors
Product specication
2.9-Mbit eld memory
SAA4955TJ
PINNING
SYMBOL
PIN
I/O
DESCRIPTION
GNDP
1
ground
ground for protection circuits
GND
2
ground
general purpose ground
D11
3
digital input
data input 11
D10
4
digital input
data input 10
D9
5
digital input
data input 9
D8
6
digital input
data input 8
D7
7
digital input
data input 7
D6
8
digital input
data input 6
D5
9
digital input
data input 5
D4
10
digital input
data input 4
D3
11
digital input
data input 3
D2
12
digital input
data input 2
D1
13
digital input
data input 1
D0
14
digital input
data input 0
SWCK
15
digital input
serial write clock
RSTW
16
digital input
write reset clock
WE
17
digital input
write enable
IE
18
digital input
input enable
VDD
19
supply
+3.3 V general purpose supply voltage (see gure note in Fig.1)
VDD(P)
20
supply
+3.3 to 5.5 V supply voltage for protection circuits (see gure note in Fig.1)
VDD(P)
21
supply
+3.3 to 5.5 V supply voltage for protection circuits
VDD(O)
22
supply
+3.3 V supply voltage for output circuits
OE
23
digital input
output enable
RE
24
digital input
read enable
RSTR
25
digital input
reset read
SRCK
26
digital input
serial read clock
Q0
27
digital output
data output 0
Q1
28
digital output
data output 1
Q2
29
digital output
data output 2
Q3
30
digital output
data output 3
Q4
31
digital output
data output 4
Q5
32
digital output
data output 5
Q6
33
digital output
data output 6
Q7
34
digital output
data output 7
Q8
35
digital output
data output 8
Q9
36
digital output
data output 9
Q10
37
digital output
data output 10
Q11
38
digital output
data output 11
GNDO
39
ground
ground for output circuits
GNDP
40
ground
ground for protection circuits
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