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參數(shù)資料
| 型號(hào)： | 74LVT652PW,112 |
| 廠商： | NXP Semiconductors |
| 文件頁數(shù)： | 9/14頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC TRANSCVR 8BIT N-INV 24TSSOP |
| 產(chǎn)品培訓(xùn)模塊： | Logic Packages |
| 標(biāo)準(zhǔn)包裝： | 63 |
| 系列： | 74LVT |
| 邏輯類型： | 收發(fā)器，非反相 |
| 元件數(shù)： | 1 |
| 每個(gè)元件的位元數(shù)： | 8 |
| 輸出電流高，低： | 32mA，64mA |
| 電源電壓： | 2.7 V ~ 3.6 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 24-TSSOP（0.173"，4.40mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 24-TSSOP |
| 包裝： | 管件 |
| 其它名稱： | 74LVT652PW 74LVT652PW-ND 935177740112 |
Philips Semiconductors
Product specification
74LVT652
3.3V Octal transceiver/register, non-inverting
(3-State)
1998 Feb 19
4
The following examples demonstrate the four fundamental
bus-management functions that can be performed with the
74LVT652.
The select pins determine whether data is stored or transferred
through the device in real time.
The output enable pins determine the direction of the data flow.
}
REAL TIME BUS TRANSFER
BUS B TO BUS A
OEAB OEBA CPAB CPBA SAB
SBA
LL
X
L
}
REAL TIME BUS TRANSFER
BUS A TO BUS B
OEAB OEBA CPAB CPBA SAB
SBA
HH
X
L
X
}
STORAGE FROM
A, B, OR A AND B
OEAB OEBA CPAB CPBA SAB
SBA
XH
↑
XXX
LX
X
↑
XX
LH
↑↑
XX
}
TRANSFER STORED DATA
TO A OR B
OEAB OEBA CPAB CPBA SAB
SBA
H
L
H | L H | L
H
A
B
SV00055
FUNCTION TABLE
INPUTS
DATA I/O
OPERATING MODE
OEAB
OEBA
CPAB
CPBA
SAB
SBA
An
Bn
OPERATING MODE
L
H
H or L
↑
H or L
↑
X
Input
Isolation
Store A and B data
X
H
↑
H or L
↑
X
**
X
Input
Unspecified**
Output*
Store A, Hold B
Store A in both registers
L
X
L
H or L
↑
X
**
Unspecified**
Output*
Input
Hold A, Store B
Store B in both registers
L
X
H or L
X
L
H
Output
Input
Real time B data to A bus
Stored B data to A bus
H
X
H or L
X
L
H
X
Input
Output
Real time A data to B bus
Store A data to B bus
H
L
H or L
H
Output
Stored A data to B bus
Stored B data to A bus
H = High voltage level
L
= Low voltage level
X = Don’t care
↑ = Low-to-High clock transition
*
The data output function may be enabled or disabled by various signals at the OEBA and OEAB inputs. Data input functions are always
enabled, i.e., data at the bus pins will be stored on every Low-to-High transition of the clock.
**
If both Select controls (SAB and SBA) are Low, then clocks can occur simultaneously. If either Select control is High, the clocks must be
staggered in order to load both registers.
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