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MB2841BB

更新时间： 2024-09-20 22:46:27
品牌 Logo 应用领域
恩智浦 - NXP 逻辑集成电路
页数 文件大小 规格书
10页 67K
描述
Dual 10-bit bus interface latch 3-State

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MB2841BB 数据手册

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Philips Semiconductors Advanced BiCMOS Products  
Product specification  
Dual 10-bit bus interface latch (3-State)  
MB2841  
The MB2841 consists of two sets of ten  
FEATURES  
• High speed parallel latches  
• Live insertion/extraction permitted  
• Output capability: +64mA/–32mA  
D-type latches with 3-State outputs. The  
flip-flops appear transparent to the data when  
Latch Enable (nLE) is High. This allows  
asynchronous operation, as the output  
transition follows the data in transition. On the  
nLE High-to-Low transition, the data that  
meets the setup and hold time is latched.  
• Latch-up protection exceeds 500mA per  
Jedec JC40.2 Std 17  
• ESD protection exceeds 2000V per MIL  
STD 883 Method 3015 and 200V per  
Machine Model  
• Extra data width for wide address/data  
paths or buses carrying parity  
• Power-up 3-State  
• Power-up reset  
• Ideal where high speed, light loading, or  
increased fan-in are required with MOS  
microprocessors  
DESCRIPTION  
Data appears on the bus when the Output  
Enable (nOE) is Low. When nOE is High the  
output is in the High-impedance state.  
The MB2841 Bus interface register is  
designed to provide extra data width for wider  
data/address paths of buses carrying parity.  
QUICK REFERENCE DATA  
CONDITIONS  
= 25°C; GND = 0V  
SYMBOL  
PARAMETER  
TYPICAL UNIT  
T
amb  
t
t
Propagation delay  
nDx to nQx  
PLH  
PHL  
C = 50pF; V = 5V  
3.5  
ns  
L
CC  
C
Input capacitance  
Output capacitance  
Total supply current  
V = 0V or V  
CC  
4
7
pF  
pF  
µA  
IN  
I
C
V
= 0V or V ; 3-State  
O CC  
OUT  
CCZ  
I
Outputs disabled; V = 5.5V  
120  
CC  
ORDERING INFORMATION  
PACKAGES  
TEMPERATURE RANGE  
ORDER CODE  
DRAWING NUMBER  
52-pin Plastic Quad Flat Pack (PQFP)  
-40°C to +85°C  
MB2841BB  
1418B  
PIN CONFIGURATION  
LOGIC SYMBOL  
45  
44  
42  
41  
39  
38 37  
36 35  
34  
52 51 50 49 48 47 46 45 44 43 42 41 40  
1
1D0 1D1 1D2 1D3 1D4 1D5 1D6 1D7 1D8 1D9  
1LE  
1Q4  
1Q5  
1Q6  
GND  
39 1D4  
38 1D5  
37 1D6  
36 1D7  
2
3
4
46  
47  
1OE  
1Q0 1Q1 1Q2 1Q3 1Q4 1Q5 1Q6 1Q7 1Q8 1Q9  
1Q7  
1Q8  
1Q9  
2Q0  
5
6
7
8
35 1D8  
34 1D9  
33 2D0  
32 2D1  
MB2841  
52-pin PQFP  
48  
33  
49  
32  
50  
31  
51  
29  
1
2
3
5
6
7
28  
27  
25  
24  
23  
22  
2Q1  
9
31 2D2  
30 GND  
29 2D3  
28 2D4  
2D0 2D1 2D2 2D3 2D4 2D5 2D6 2D7 2D8 2D9  
2LE  
2Q2 10  
2Q3 11  
2Q4 12  
21  
20  
2OE  
2Q0 2Q1 2Q2 2Q3 2Q4 2Q5 2Q6 2Q7 2Q8 2Q9  
2Q5 13  
27 2D5  
14 15 16 17 18 19 20 21 22 23 24 25 26  
8
9
10  
11  
12  
13  
15  
16  
18  
19  
1
August 24, 1993  
853-1668 10619  
1234567...10

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