PI74FCT2652ATQ Pericom Semiconductor, PI74FCT2652ATQ Datasheet - Page 2

• Manufacturer Part Number: PI74FCT2652ATQ
• Description: IC TRANSCEIVER 8BIT 24QSOP
• Manufacturer: Pericom Semiconductor
• Series: 74FCTr

Specifications of PI74FCT2652ATQ

• Logic Type: Transceiver, Non-Inverting
• Number Of Elements: 1
• Number Of Bits Per Element: 8
• Current - Output High, Low: 64mA, 64mA
• Voltage - Supply: 5V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 24-QSOP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 1 2 3 4 5 6 7 8 9 0 1 2
PI74FCT646/648/2646T Truth Table
PI74FCT651/652/2652T Truth Table
PI74FCT646/648T
Product Pin Configuration
1. The data output functions may be enabled or disabled by various signals at the GAB or GBA inputs. Data
2. Select control = L: clocks can occur simultaneously.
3.
4.
Isolation
Store A and B Data
Real Time B Data to A Bus Real Time B Data to A Bus
Stored B Data to A Bus
Real Time A Data to B Bus Real Time A Data to B Bus
Stored A Data to B Bus
Isolation
Store A and B Data
Store A, Hold B
Store A in Both Registers
Hold A, Store B
Store B in Both Registers
Real Time B Data to A Bus Real Time B Data to A Bus
Stored B Data to A Bus
Real Time A Data to B Bus Real Time A Data to B Bus
Stored A Data to B Bus
Stored A Data to B Bus and Stored A Data to B Bus and
Stored B Data to A Bus
CPAB
PI74FCT646/2646T
Function/Operation
PI74FCT651T
Function/Operation
GND
SAB
DIR
A
A
A
A
A
A
A
A
input functions are always enabled, i.e., data at the bus pins will be stored on every low-to-high transition
on the clock inputs.
Select control = H: clocks must be staggered in order to load both registers.
A in B Register
B in A Register
0
1
2
3
4
5
6
7
1
2
3
4
5
6
7
8
9
10
11
12
24-PIN
Q24
R24
P24
S24
24
23
22
21
20
19
18
17
16
15
14
13
(4)
(3)
Vcc
CPBA
SBA
G
B
B
B
B
B
B
B
B
0
1
2
3
4
5
6
7
Function/Operation
Isolation
Store A and B Data
Stored B Data to A Bus
Stored A Data to B Bus
Function/Operation
Isolation
Store A and B Data
Store A, Hold B
Store A in Both Registers
Hold A, Store B
Store B in Both Registers
Stored B Data to A Bus
Stored A Data to B Bus
Stored B Data to A Bus
PI74FCT648T
PI74FCT652/2652T
PI74FCT651/652T
Product Pin Configuration
CPAB
GND
GAB
SAB
A
A
A
A
A
A
A
A
0
1
2
3
4
5
6
7
1
2
3
4
5
6
7
8
9
10
11
12
24-PIN
Q24
R24
P24
S24
24
23
22
21
20
19
18
17
16
15
14
13
GAB
G
H
H
X
H
H
H
H
L
L
L
L
L
L
L
L
L
L
Vcc
CPBA
SBA
GBA
B
B
B
B
B
B
B
B
2
0
1
2
3
4
5
6
7
GBA
DIR
X
X
H
H
H
H
H
H
X
H
H
L
L
L
L
L
L
OCTAL REGISTERED TRANSCEIVERS
Product Pin Description
CPAB CPBA SAB
CPAB CPBA SAB
H or L H or L
H or L
H or L H or L
H or L
H or L
H or L H or L
X
X
X
X
X
X
Pin Name
A
B
CPAB, CPBA
SAB, SBA
DIR, G
GAB, GBA
GND
V
0
0
CC
Inputs
Inputs
-B
-A
7
7
(25 Series) P174FCT2646T/2652T
H or L
H or L
H or L
X
X
X
X
X
X
X
X
X
X
X
H
X
X
X
X
X
X
X
H
H
L
L
PI74FCT646/648/651/652T
(2)
Description
Data Register A Inputs
Data Register B Outputs
Data Register B Inputs
Data Register A Outputs
Clock Pulse Inputs
Output Data Source Select Inputs
Output Enable Inputs
(646/648/2646)
Output Enable Inputs
(651/652/2652)
Ground
Power
SBA
SBA
X
X
X
H
X
X
X
X
X
X
X
H
X
X
H
L
L
(2)
Unspecified
A0-A7
Output
A0-A7
Output
Output
Output
Input
Input
Input
Input
Input
Input
DATA I/O
DATA I/O
(1)
PS2022A 03/11/96
Unspecified
Output
Output
Output
Output
B0-B7
B0-B7
Input
Input
Input
Input
Input
Input
(2)
(2)
(1)