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參數(shù)資料
| 型號(hào)： | 74ALVC16841MTDX |
| 廠商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分類(lèi)： | 通用總線(xiàn)功能 |
| 英文描述： | 10-Bit D-Type Latch |
| 中文描述： | ALVC/VCX/A SERIES, DUAL 10-BIT DRIVER, TRUE OUTPUT, PDSO56 |
| 封裝： | 6.10 MM, MO-153, TSSOP-56 |
| 文件頁(yè)數(shù)： | 1/6頁(yè) |
| 文件大小： | 95K |
| 代理商： | 74ALVC16841MTDX |
2001 Fairchild Semiconductor Corporation
DS500690
www.fairchildsemi.com
November 2001
Revised November 2001
7
74ALVC16841
Low Voltage 20-Bit Transparent Latch
with 3.6V Tolerant Inputs and Outputs
General Description
The ALVC16841 contains twenty non-inverting latches with
3-STATE outputs and is intended for bus oriented applica-
tions. The device is byte controlled. The flip-flops appear
transparent to the data when the Latch enable (LE) is
HIGH. When LE is LOW, the data that meets the setup time
is latched. Data appears on the bus when the Output
Enable (OE) is LOW. When OE is HIGH, the outputs are in
a high impedance state.
The 74ALVC16841 is designed for low voltage (1.65V to
3.6V) V
CC
applications with I/O compatibility up to 3.6V.
The 74ALVC16841 is fabricated with an advanced CMOS
technology to achieve high speed operation while maintain-
ing low CMOS power dissipation.
Features
I
1.65V–3.6V V
CC
supply operation
I
3.6V tolerant inputs and outputs
I
t
PD
(D
n
to O
n
)
3.5 ns max for 3.0V to 3.6V V
CC
3.9 ns max for 2.3V to 2.7V V
CC
6.8 ns max for 1.65V to 1.95V V
CC
I
Power-off high impedance inputs and outputs
I
Supports live insertion and withdrawal (Note 1)
I
Uses patented noise/EMI reduction circuitry
I
Latchup conforms to JEDEC JED78
I
ESD performance:
Human body model
>
2000V
Machine model
>
200V
Note 1:
To ensure the high-impedance state during power up or power
down, OE should be tied to V
CC
through a pull-up resistor; the minimum
value of the resistor is determined by the current-sourcing capability of the
driver.
Ordering Code:
Device also available in Tape and Reel. Specify by appending suffix letter
“
X
”
to the ordering code.
Logic Symbol
Pin Descriptions
Order Number
74ALVC16841MTD
Package Number
MTD56
Package Description
56-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 6.1mm Wide
Pin Names
Description
OE
n
LE
n
D
0
–
D
19
O
0
–
O
19
Output Enable Input (Active LOW)
Latch Enable Input
Inputs
Outputs
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