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74ABT845DB PDF预览

74ABT845DB

更新时间: 2024-09-16 22:56:15
品牌 Logo 应用领域
恩智浦 - NXP 总线驱动器总线收发器逻辑集成电路光电二极管输出元件信息通信管理
页数 文件大小 规格书
7页 81K
描述
8-bit bus interface latch with set and reset 3-State

74ABT845DB 技术参数

生命周期:Obsolete零件包装代码:SSOP
包装说明:SSOP,针数:24
Reach Compliance Code:unknown风险等级:5.83
Is Samacsys:N其他特性:WITH TRIPLE OUTPUT ENABLE
系列:ABTJESD-30 代码:R-PDSO-G24
长度:8.2 mm负载电容(CL):50 pF
逻辑集成电路类型:BUS DRIVER位数:8
功能数量:1端口数量:2
端子数量:24最高工作温度:85 °C
最低工作温度:-40 °C输出特性:3-STATE
输出极性:TRUE封装主体材料:PLASTIC/EPOXY
封装代码:SSOP封装形状:RECTANGULAR
封装形式:SMALL OUTLINE, SHRINK PITCH最大电源电流(ICC):30 mA
传播延迟(tpd):8.9 ns认证状态:Not Qualified
座面最大高度:2 mm最大供电电压 (Vsup):5.5 V
最小供电电压 (Vsup):4.5 V标称供电电压 (Vsup):5 V
表面贴装:YES技术:BICMOS
温度等级:INDUSTRIAL端子形式:GULL WING
端子节距:0.65 mm端子位置:DUAL
宽度:5.3 mmBase Number Matches:1

74ABT845DB 数据手册

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Philips Semiconductors  
Product specification  
8-bit bus interface latch with set and reset  
(3-State)  
74ABT845  
FEATURES  
High speed parallel latches  
DESCRIPTION  
The 74ABT845 consists of eight D-type latches with 3-State outputs.  
In addition to the LE, OE, MR and PRE pins, the 74ABT845 has two  
additional OE pins, making a total of three Output Enable (OE0,  
OE1, OE2) pins. The multiple Output enables allow multiuser control  
of the interface, e.g., CS, DMA, and RD/WR.  
Ideal where high speed, light loading, or increased fan-in are  
required with MOS microprocessors  
Broadside pinout  
Output capability: +64mA/–32mA  
Power-up 3-State  
Power-up reset  
Latch-up protection exceeds 500mA per Jedec Std 17  
ESD protection exceeds 2000 V per MIL STD 883 Method 3015  
and 200 V per Machine Model  
QUICK REFERENCE DATA  
CONDITIONS  
= 25°C; GND = 0V  
SYMBOL  
PARAMETER  
TYPICAL  
UNIT  
T
amb  
t
t
Propagation delay  
Dn to Qn  
PLH  
PHL  
C = 50pF; V = 5V  
5.4  
4
ns  
pF  
pF  
nA  
L
CC  
C
Input capacitance  
V = 0V or V  
I CC  
IN  
Outputs disabled;  
= 0V or V  
C
Output capacitance  
Total supply current  
7
OUT  
CCZ  
V
O
CC  
I
Outputs disabled; V = 5.5V  
500  
CC  
ORDERING INFORMATION  
PACKAGES  
TEMPERATURE RANGE OUTSIDE NORTH AMERICA  
NORTH AMERICA  
74ABT845 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  
74ABT845 N  
74ABT845 D  
74ABT845 DB  
74ABT845 PW  
24-Pin plastic SO  
74ABT845 D  
SOT137-1  
24-Pin Plastic SSOP Type II  
24-Pin Plastic TSSOP Type I  
74ABT845 DB  
74ABT845PW DH  
SOT340-1  
SOT355-1  
PIN CONFIGURATION  
PIN DESCRIPTION  
PIN NUMBER  
SYMBOL  
FUNCTION  
Output enable inputs  
(active-Low)  
1, 2, 23  
OE0 – OE2  
D0-D7  
24  
OE0  
OE1  
D0  
1
2
3
4
5
6
7
8
9
V
CC  
23 OE2  
22 Q0  
21 Q1  
20 Q2  
19 Q3  
18 Q4  
17 Q5  
16 Q6  
3, 4, 5, 6,  
7, 8, 9, 10  
Data inputs  
D1  
22, 21, 20, 19,18,  
17, 16, 15  
Q0-Q7  
MR  
Data outputs  
D2  
11  
13  
Master reset input (active-Low)  
D3  
Latch enable input  
(active-High)  
D4  
LE  
D5  
14  
12  
24  
PRE  
GND  
Preset input (active-Low)  
Ground (0V)  
D6  
D7 10  
MR 11  
15  
14  
13  
Q7  
V
CC  
Positive supply voltage  
PRE  
LE  
GND 12  
TOP VIEW  
SA00258  
1
1995 Sep 06  
853-1703 15702  

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