PI74LVCC3245AQ Pericom Semiconductor, PI74LVCC3245AQ Datasheet

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PI74LVCC3245AQ

Manufacturer Part Number
PI74LVCC3245AQ
Description
QSOP 24/ 8-Bit Dual Supply Bidirectional Transceivers
Manufacturer
Pericom Semiconductor
Datasheet

Specifications of PI74LVCC3245AQ

Pack_quantity
55
Comm_code
85423990
Lead_time
56
Product Features
• 2.7V to 3.6V on A-port and 3V to 5.5V on B-port
• Latch-up performance exceeds 200mA Per JESD78
• ESD protection exceeds JESD22
• Industrial Temperature: –40°C to +85°C
• Packages (Pb-free available):
Logic Block Diagram
Truth Table
Note:
1. H = High Signal Level
X = Don’t Care or Irrelevant
OE
2000V Human-Body Model (A114-B)
200V Machine Model (A115-A)
- 24-pin 173-mil wide plastic TSSOP (L)
- 24-pin 150-mil wide plastic QSOP (Q)
- 24-pin 300-mil wide plastic SOIC (S)
H
L
L
(Pb-free & Green available)
Inputs
DIR
(1)
A
A
A
A
A
A
A
A
1
2
3
4
5
6
7
8
10
3
4
6
5
7
2
8
9
DIR
H
X
L
L = Low Signal Level
Z = High Impedance
Bus B Data to Bus A
Bus A Data to Bus B
18
19
22
20
17
16
21
15
14
Z (Isolation)
B
B
B
B
B
B
B
B
OE
Outputs
1
2
3
4
5
6
7
8
Configurable Output Voltage and 3-State Outputs
1
Product Description
Pericom Semiconductor’s PI74LVC series of logic circuits are
produced using the Company’s advanced submicron CMOS tech-
nology, achieving industry leading speed.
The PI74LVCC3245A is a non-inverting 8-bit Bidirectional Trans-
ceiver that uses two seperate power supply rails. A-port (V
to operate at 3.3V and B-port (V
5V. This allows for translation from a 3.3V to a 5V environment and
vice-versa. This tranceiver is designed for asynchronous two-way
communication between data buses. The direction control input pin
(DIR) determines the dataflow from the A bus to the B bus or from
the B bus to the A bus. The output enable (OE) input, when HIGH,
disables both A and B ports by placing them in HIGH Z condi-
tion.
Product Pin Configuration
Product Pin Description
Pin Name
OE
DIR
Ax
Bx
NC
GND
V
CCA
8-Bit Dual Supply Bus Transceiver with
,V
(3.3V) V
CCB
GND
GND
CCA
DIR
A1
A2
A3
A4
A5
A6
A7
A8
Description
3-State Output Enable Inputs (Active LOW)
Direction Control Input
Side A Inputs or 3-State Outputs
Side B Inputs or 3-State Outputs
NO Internal Connect
Ground
Power
1
2
3
4
5
6
7
8
9
10
11
12
CCB
PI74LVCC3245A
) is set to operate from 3.3V to
24
23
22
21
20
19
18
17
16
15
14
13
VCCB (3.3V to 5V)
NC
OE
B1
B2
B3
B4
B5
B6
B7
B8
GND
PS8702A
CCA
) is set
09/10/03

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