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935066470112

更新时间: 2024-09-23 06:42:15
品牌 Logo 应用领域
恩智浦 - NXP 光电二极管输出元件
页数 文件大小 规格书
6页 73K
描述
IC ABT SERIES, OCTAL 1-BIT REGISTERED TRANSCEIVER, INVERTED OUTPUT, PDSO24, PLASTIC, SSOP-24, Bus Driver/Transceiver

935066470112 数据手册

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Philips Semiconductors  
Product specification  
Octal registered transceiver, inverting (3-State)  
74ABT2953  
FEATURES  
8-bit registered transceiver  
DESCRIPTION  
The 74ABT2953 high-performance BiCMOS device combines low  
static and dynamic power dissipation with high speed and high  
output drive.  
Independent registers for A and B buses  
Output capability: +64mA/–32mA  
The 74ABT2953 device is an 8-bit registered inverting transceiver.  
Two 8-bit back-to-back registers store data flowing in both directions  
between two bidirectional buses. Data applied to the inputs is  
entered and stored on the rising edge of the Clock (CPXX) provided  
that the Clock Enable (CEXX) is Low. The data is then present at  
the 3-State output buffers, but is only accessible when the Output  
Enable (OEXX) is Low. Data flow from A inputs to B outputs is the  
same as for B inputs to A outputs.  
Latch-up protection exceeds 500mA per Jedec Std 17  
ESD protection exceeds 2000V per MIL STD 883 Method 3015  
and 200V per Machine Model  
Live insertion/extraction permitted  
Power-up 3-State  
Power-up reset  
QUICK REFERENCE DATA  
CONDITIONS  
= 25°C; GND = 0V  
SYMBOL  
PARAMETER  
TYPICAL  
UNIT  
T
amb  
t
t
Propagation delay  
PLH  
PHL  
C = 50pF; V = 5V  
5.0  
4
ns  
pF  
pF  
nA  
L
CC  
CPBA to An or CPAB to Bn  
Input capacitance  
C
V = 0V or V  
I CC  
IN  
Outputs disabled;  
= 0V or V  
C
I/O capacitance  
7
I/O  
V
O
CC  
I
Total supply current  
Outputs disabled; V =5.5V  
500  
CCZ  
CC  
ORDERING INFORMATION  
PACKAGES  
TEMPERATURE RANGE OUTSIDE NORTH AMERICA  
NORTH AMERICA  
74ABT2953 N  
DWG NUMBER  
SOT222-1  
24-Pin Plastic DIP  
–40°C to +85°C  
–40°C to +85°C  
–40°C to +85°C  
–40°C to +85°C  
74ABT9253 N  
74ABT2953 D  
74ABT2953 DB  
74ABT2953 PW  
24-Pin plastic SO  
74ABT2953 D  
SOT137-1  
24-Pin Plastic SSOP Type II  
24-Pin Plastic TSSOP Type I  
74ABT2953 DB  
74ABT2953PW DH  
SOT340-1  
SOT355-1  
PIN CONFIGURATION  
PIN DESCRIPTION  
PIN NUMBER  
SYMBOL  
NAME AND FUNCTION  
CPAB /  
CPBA  
Clock input A to B / Clock input  
B to A  
10, 14  
24  
B7  
B6  
1
2
3
4
5
6
7
8
9
V
CC  
23 A7  
22 A6  
21 A5  
20 A4  
19 A3  
18 A2  
17 A1  
16 A0  
CEAB /  
CEBA  
Clock enable input A to B / Clock  
enable input B to A  
11, 13  
B5  
B4  
16, 17, 18, 19,  
20, 21, 22, 23  
A0 – A7  
B0 – B7  
Data inputs/outputs (A side)  
Data outputs/outputs (B side)  
Output enable inputs  
B3  
B2  
1, 2, 3, 4, 5, 6,  
7, 8  
B1  
B0  
OEAB /  
OEBA  
9, 15  
OEAB  
CPAB 10  
CEAB 11  
GND 12  
15  
14  
13  
OEBA  
CPBA  
CEBA  
12  
24  
GND  
Ground (0V)  
V
CC  
Positive supply voltage  
TOP VIEW  
SA00305  
1
1995 Sep 06  
853-1555 15702  

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