74LVT2952DB NXP Semiconductors, 74LVT2952DB Datasheet - Page 3

• Manufacturer Part Number: 74LVT2952DB
• Description: Bus Transceivers 3.3V OCTAL REG XCVR 3-S
• Manufacturer: NXP Semiconductors

Specifications of 74LVT2952DB

• Product Category: Bus Transceivers
• Rohs: yes
• Logic Type: BiCMOS
• Logic Family: LVT
• Number Of Channels Per Chip: 8
• Input Level: LVTTL
• Output Level: LVTTL
• Output Type: 3-State
• High Level Output Current: - 32 mA
• Low Level Output Current: 64 mA
• Propagation Delay Time: 3.8 ns
• Supply Voltage - Max: 3.6 V
• Supply Voltage - Min: 2.7 V
• Maximum Operating Temperature: + 85 C
• Package / Case: SSOP-24
• Function: Registered Transceiver
• Minimum Operating Temperature: - 40 C
• Mounting Style: SMD/SMT
• Number Of Circuits: 1
• Polarity: Non-Inverting
• Factory Pack Quantity: 59
• Part # Aliases: 74LVT2952DB,112

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