參數(shù)資料
型號(hào): PI74LVTC245H
廠商: Pericom Semiconductor Corp.
元件分類: 通用總線功能
英文描述: 3.3V 8 BIT BIDIRECTIOANAL TRANCEIVER WITH 3 STATE OUTPUTS
中文描述: 3.3V的8位BIDIRECTIOANAL TRANCEIVER 3態(tài)輸出
文件頁(yè)數(shù): 1/8頁(yè)
文件大?。?/td> 186K
代理商: PI74LVTC245H
1
PS8691 07/01/03
B
0
A
0
OE
DIR
B
1
A
1
B
2
A
2
B
3
A
3
B
4
A
4
B
5
A
5
B
6
A
6
B
7
A
7
Product Description
Pericom Semiconductor’s PI74LVTC series of logic circuits are
produced using the Company’s advanced CMOS technology, achiev-
ing industry leading speed.
The PI74LVTC245 is a non-inverting 8-bit Bidirectional Transceiver
designed for low-voltage 2.7V to 3.6V V
CC
operation, with the
capability of interfacing to the 5V system environment. This tranceiver
is designed for asynchronous two-way communication between
data buses. The direction control input pin (DIR) determines the
direction of 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 condition.
When Vcc is between 0 to 1.5V during power up or power down, the
outputs of the device are in the high-impedance state. To ensure the
high-impedance state above 1.5V, OE should be tied to V
CC
through
a pullup resistor; the minimum value of the resistor is determined by
the current sinking capability of the driver.
The device fully supports live-insertion with its I
off
and power-up/
down 3-state. The I
off
circuitry disables the outputs when the power
is off, preventing the backflow of damaging current through
the device. Power-up/down 3-state places the outputs in the
high-impedance state during power up or power down, preventing
driver conflict.
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3.3V 8-Bit Bi-Directional Transceiver
with 3-State Outputs
Logic Block Diagram
Product Features
Advanced low power CMOS design for 2.7V to 3.6V
V
CC
operation
Supports 5V input/output tolerance in mixed signal mode
operation
Function compatible with LVT family of products
Balanced ±24mA output drive
Typical V
OLP
(Output Ground Bounce) <0.8V at V
CC
=3.3V,
T
A
=25°C
I
off
and Power Up/Down 3-State support live insertion
Latch-up performance exceeds 200mA Per JESD78
ESD protection exceeds JESD 22
- 2000V Human-Body Model (A114-B)
- 200V Machine Model (A115-A)
Packages (Pb-free available):
- 20-pin 209-mil wide plastic SSOP (H)
- 20-pin 173-mil wide plastic TSSOP (L)
20-pin 300-mil wide plastic SOIC (S)
Product Pin Configuration
DIR
A0
A1
A2
A3
A4
A5
A6
A7
GND
VCC
OE
B0
B1
B2
B3
B4
B5
B6
B7
20
19
18
17
16
15
14
13
12
11
1
2
3
4
5
6
7
8
9
10
20-Pin
H, L, S
相關(guān)PDF資料
PDF描述
PI74LVTC245L 3.3V 8 BIT BIDIRECTIOANAL TRANCEIVER WITH 3 STATE OUTPUTS
PI74LVTC245S 3.3V 8 BIT BIDIRECTIOANAL TRANCEIVER WITH 3 STATE OUTPUTS
PI74ST1G126TX Logic Buffer with 3-State Output
PI74STX1G126CX LOGIC GATE|BUFFER|CMOS|TSSOP|6PIN|PLASTIC
PI74STX1G126TX LOGIC GATE|BUFFER|CMOS|TSOP|6PIN|PLASTIC
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