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74ABT821PWDH PDF预览

74ABT821PWDH

更新时间: 2024-01-26 20:33:17
品牌 Logo 应用领域
恩智浦 - NXP 触发器
页数 文件大小 规格书
6页 72K
描述
10-bit D-type flip-flop; positive-edge trigger 3-State

74ABT821PWDH 数据手册

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Philips Semiconductors  
Product specification  
10-bit D-type flip-flop; positive-edge trigger  
(3-State)  
74ABT821  
DC ELECTRICAL CHARACTERISTICS  
LIMITS  
T
= –40°C  
to +85°C  
amb  
SYMBOL  
PARAMETER  
TEST CONDITIONS  
T
amb  
= +25°C  
UNIT  
Min  
Typ  
Max  
Min  
Max  
V
Input clamp voltage  
V
V
V
V
V
= 4.5V; I = –18mA  
–0.9  
2.9  
–1.2  
–1.2  
V
V
V
V
V
IK  
CC  
CC  
CC  
CC  
CC  
IK  
= 4.5V; I = –3mA; V = V or V  
2.5  
3.0  
2.0  
2.5  
3.0  
2.0  
OH  
I
IL  
IH  
V
OH  
High-level output voltage  
= 5.0V; I = –3mA; V = V or V  
3.4  
OH  
I
IL  
IH  
= 4.5V; I = –32mA; V = V or V  
IH  
2.4  
OH  
I
IL  
V
OL  
Low-level output voltage  
Power-up output low  
= 4.5V; I = 64mA; V = V or V  
IH  
0.42  
0.55  
0.55  
0.55  
0.55  
OL  
I
IL  
V
RST  
V
CC  
= 5.5V; I = 1mA; V = GND or V  
CC  
0.13  
V
O
I
3
voltage  
I
Input leakage current  
V
V
= 5.5V; V = GND or 5.5V  
±0.01  
±5.0  
±1.0  
±1.0  
µA  
µA  
I
CC  
I
I
Power-off leakage current  
= 0.0V; V or V 4.5V  
±100  
±100  
I
OFF  
CC  
O
Power-up/down 3-State  
output current  
V
CC  
V
OE  
= 2.0V; V = 0.5V; V = GND or V  
;
O
I
CC  
I
/I  
±5.0  
±50  
±50  
µA  
PU PD  
4
= V  
CC  
I
3-State output High current  
3-State output Low current  
Output High leakage current  
V
V
V
V
V
V
V
= 5.5V; V = 2.7V; V = V or V  
5.0  
–5.0  
5.0  
50  
–50  
50  
50  
–50  
50  
µA  
µA  
µA  
mA  
µA  
mA  
OZH  
CC  
CC  
CC  
CC  
CC  
CC  
CC  
O
I
IL  
IH  
I
= 5.5V; V = 0.5V; V = V or V  
O I IL  
OZL  
IH  
I
= 5.5V; V = 5.5V; V = GND or V  
O I  
CEX  
CC  
1
I
O
Output current  
= 5.5V; V = 2.5V  
–50  
–100  
0.5  
–180  
250  
38  
–50  
–180  
250  
38  
O
I
= 5.5V; Outputs High, V = GND or V  
CCH  
I
CC  
I
Quiescent supply current  
= 5.5V; Outputs Low, V = GND or V  
25  
CCL  
I
CC  
= 5.5V; Outputs 3-State;  
I
0.5  
0.5  
250  
1.5  
250  
1.5  
µA  
CCZ  
V = GND or V  
I
CC  
Additional supply current per  
V
CC  
= 5.5V; one input at 3.4V,  
I  
mA  
CC  
2
input pin  
other inputs at V or GND  
CC  
NOTES:  
1. Not more than one output should be tested at a time, and the duration of the test should not exceed one second.  
2. This is the increase in supply current for each input at 3.4V.  
3. For valid test results, data must not be loaded into the flip-flops (or latches) after applying the power.  
4. This parameter is valid for any V between 0V and 2.1V with a transition time of up to 10msec. For V = 2.1V to V = 5V " 10%, a  
CC  
CC  
CC  
transition time of up to 100µsec is permitted.  
AC CHARACTERISTICS  
GND = 0V, t = t = 2.5ns, C = 50pF, R = 500Ω  
R
F
L
L
LIMITS  
Max  
T
= -40 to  
+85 C  
= +5.0V ±0.5V  
amb  
o
T
V
= +25 C  
amb  
CC  
o
SYMBOL  
PARAMETER  
WAVEFORM  
UNIT  
= +5.0V  
V
CC  
Min  
Typ  
Typ  
Max  
f
Maximum clock frequency  
1
1
125  
185  
125  
ns  
ns  
MAX  
t
t
Propagation delay  
CP to Qn  
2.1  
2.8  
4.1  
4.6  
5.6  
6.2  
2.1  
2.8  
6.2  
6.7  
PLH  
PHL  
t
t
Output enable time  
to High and Low level  
3
4
1.0  
2.2  
3.0  
4.1  
4.5  
5.6  
1.0  
2.2  
5.3  
6.3  
PZH  
PZL  
ns  
ns  
t
t
Output disable time  
from High and Low level  
3
4
2.7  
2.8  
4.7  
4.6  
6.2  
6.1  
2.7  
2.8  
6.7  
6.5  
PHZ  
PLZ  
4
1995 Sep 06  

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