74VHC161284MEA Fairchild Semiconductor, 74VHC161284MEA Datasheet - Page 2

• Manufacturer Part Number: 74VHC161284MEA
• Description: TXRX BIDIRECT IEEE 48SSOP
• Manufacturer: Fairchild Semiconductor
• Series: 74VHCr

Specifications of 74VHC161284MEA

• Logic Type: IEEE STD 1284 Translation Transceiver
• Supply Voltage: 4.5 V ~ 5.5 V
• Number Of Bits: 8
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 48-SSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

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Pin Descriptions
Logic Diagram
HD
DIR
A
B
A
Y
A
C
PLH
PLH
HLH
HLH
Pin Names
1
1
9
9
14
14
–A
–B
–A
–Y
–A
–C
IN
IN
8
8
13
13
17
17
HIGH Drive Enable Input (Active HIGH)
Direction Control Input
Inputs or Outputs
Inputs or Outputs
Inputs
Outputs
Outputs
Inputs
Peripheral Logic HIGH Input
Peripheral Logic HIGH Output
Host Logic HIGH Input
Host Logic HIGH Output
Description
2
Truth Table
Note 1: Y
Note 2: B
DIR
H
H
L
L
9
1
Inputs
–Y
–B
13
8
Open Drain Outputs
Open Drain Outputs
HD
H
H
L
L
B
A
C
PLH Open Drain Mode
B
A
C
A
A
C
PLH Open Drain Mode
A
A
C
1
9
14
1
9
14
1
9
14
1
9
14
–B
–A
–B
–A
–A
–A
–A
–A
–C
–C
–C
–C
8
13
13
8
13
8
13
8
17
17
17
17
Data to A
Data to B
Data to B
Data to A
Data to Y
Data to Y
Data to Y
Data to Y
Data to A
Data to A
Data to A
Data to A
Outputs
1
1
1
1
–A
9
9
–B
9
–B
9
–A
–Y
–Y
–Y
–Y
14
14
14
14
8
8
8
–A
8
–A
–A
–A
, and
13
13
13
13
, and
(Note 2)
17
17
17
17
(Note 1)
(Note 1)