參數(shù)資料
型號(hào): PI74STX2G4245UX
廠商: PERICOM SEMICONDUCTOR CORP
元件分類: 其它接口
英文描述: SPECIALTY INTERFACE CIRCUIT, PDSO8
封裝: MO-187AA, MSOP-8
文件頁(yè)數(shù): 1/8頁(yè)
文件大?。?/td> 608K
代理商: PI74STX2G4245UX
1
PS8729D
06/07/06
Features
Operation Voltage: 1.65V ≤ VCCA ≤ 3.6V
2.3V ≤ VCCB ≤ 5.5V
VCCA ≤ VCCB
High Speed: tpd = 5ns typical into 30pF @ 3V VCC
Power down high-impedance inputs and outputs
High output drive: ±12mA at 3V VCCA/VCCB
±24mA at 5V VCCB
Industrial operation at –40°C to +85°C
Packaging (Pb-free & Green available):
– 8-pin MSOP (U)
– 12-pin TDFN (ZE)
PI74STX2G4245
Description
Pericom Semiconductor’s PI74STX2G4245, a 2-bit noninverting
buffer/transceiver, contains two separate supply rails:A port
(VCCA), set to operate from 1.8V to 3.3V; B port (VCCB), set
to operate from 2.5V to 5V. The A1 to B1 translation is con-
figured as an unidirectional buffer; the translation between
A2 and B2 is bidirectional and its direction is controlled
by the DIR pin. The DIR pin is supplied by VCCB.
Block Diagram
Pin Configuration (MSOP)
2-Bit Level Shifting Buffer/Transceiver
with Configurable Dual Supply Voltage
DIR
B2
4
3
A2
B1
7
6
2
A1
Function Table
Input
Output
DIR
DATA
L
B2
A2
H
A2
B2
X
A1
B1
Pin Description
Pin Name
Description
DIR
Direction Control
A1
Data Input
B1
Data Output
A2, B2
Data Input/Output
VCCA, VCCB
Power Supply
VCCB (2.5V to 5V)
1
(1.8V to 3.3V)
VCCA
8
B1
2
A1
7
B2
3
A2
6
GND
4
DIR
5
Pin Configuration (TDFN)
1
2
3
4
5
6
12
11
10
9
8
7
NC
VCCB (2.5V to 5V)
B1
B2
GND
NC
(1.8V to 3.3V ) VCCA
A1
A2
DIR
NC
* NC = No Connect
06-0217
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