74lvt2952 NXP Semiconductors, 74lvt2952 Datasheet - Page 3

• Manufacturer Part Number: 74lvt2952
• Description: 3.3v Lvt Octal Registered Transceiver 3-state
• Manufacturer: NXP Semiconductors

Philips Semiconductors
LOGIC SYMBOL
LOGIC DIAGRAM
FUNCTION TABLE for Register An or Bn
H = HIGH voltage level
L = LOW voltage level
X = Don’t care
XX = AB or BA
NC= No change
2004 Sep 07
An or Bn
3.3 V Octal registered transceiver (3-State)
= LOW-to-HIGH transition
X
H
L
INPUTS
10
14
13
11
CPXX
X
16 17 18 19
A0 A1 A2 A3 A4 A5 A6 A7
B0 B1 B2 B3 B4 B5 B6 B7
CPAB
CEAB
CPBA
CEBA
8
7
CEXX
H
L
L
6
OEBA
CEBA
CPBA
5
CEAB
OEAB
CPAB
A1
A2
A3
A4
A5
A6
A7
A0
INTERNAL
INTERNAL
20 21 22 23
4
11
10
16
17
18
19
20
21
22
23
13
14
15
9
NC
3
Q
H
L
OEBA
OEAB
2
1
SV00037
Hold data
Load data
OPERATING
OPERATING
15
9
MODE
D
CE Q
CP
DETAIL A
3
LOGIC SYMBOL (IEEE/IEC)
FUNCTION TABLE for Output Enable
H = HIGH voltage level
L = LOW voltage level
X = Don’t care
XX = AB or BA
Z = High-impedance “off” state
7
INPUTS
OEXX
Q
H
L
L
74LVT2952
CP D
CE
INTERNAL
INTERNAL
DETAIL A
16
17
18
19
20
21
22
23
15
13
14
10
11
Q
X
H
L
9
1C5
2C6
EN3 (BA)
EN4 (AB)
3
6D
G1
G2
SV00039
OUTPUTS
7
6
5
4
3
2
1
8
An or Bn
An or Bn
B0
1
1
B1
B2
B3
B4
B5
B6
B7
H
Z
L
SV00038
5D
4
74LVT2952
Product data sheet
Disable outputs
Enable outputs
8
7
6
5
4
3
2
1
OPERATING
OPERATING
MODE