參數(shù)資料
型號(hào): 7LVT2952PWDH
廠商: NXP Semiconductors N.V.
英文描述: 3.3V LVT octal registered transceiver 3-State
中文描述: 3.3小型終端收發(fā)器八注冊(cè)三態(tài)
文件頁數(shù): 3/12頁
文件大小: 102K
代理商: 7LVT2952PWDH
Philips Semiconductors
Product specification
74LVT2952
3.3V Octal registered transceiver (3-State)
1998 Feb 19
3
LOGIC SYMBOL
9
15
16
17
18
19
20
21
22
23
A0 A1 A2 A3 A4 A5 A6
A7
B0 B1 B2 B3 B4 B5 B6
B7
8
7
6
5
4
3
2
1
10
14
11
13
CPAB
CPBA
CEAB
CEBA
OEBA
OEAB
SV00037
LOGIC SYMBOL (IEEE/IEC)
16
17
18
19
20
21
22
23
8
7
6
5
4
3
2
1
2C6
G2
15
13
10
11
EN4 (AB)
9
1C5
14
G1
EN3 (BA)
3
6D
5D
4
1
1
SV00038
LOGIC DIAGRAM
CEAB
CEQ
CP
D
CE
CPD
Q
DETAIL A
DETAIL A X 7
CPAB
OEAB
A0
A1
A2
A3
A4
A5
A6
A7
CPBA
OEBA
B0
CEBA
B1
B2
B3
B4
B5
B6
B7
8
7
6
5
4
3
2
1
11
10
9
16
17
18
19
20
21
22
23
14
15
13
SV00039
FUNCTION TABLE for Register An or Bn
INPUTS
CPXX
INTERNAL
Q
OPERATING
MODE
An or Bn
CEXX
X
X
H
NC
Hold data
L
H
L
L
L
H
Load data
H =High voltage level
L
=Low voltage level
=Low-to-High transition
X =Don’t care
XX=AB or BA
NC=No change
FUNCTION TABLE for Output Enable
INPUTS
OEXX
INTERNAL
Q
An or Bn
OUTPUTS
OPERATING
MODE
H
X
Z
Disable outputs
L
L
L
H
L
H
Enable outputs
H =High voltage level
L
=Low voltage level
X =Don’t care
XX=AB or BA
Z =High impedance ”off” state
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