參數(shù)資料
型號： 74ABT821PWDH
廠商： NXP SEMICONDUCTORS
元件分類： 通用總線功能
英文描述： 10-bit D-type flip-flop; positive-edge trigger 3-State
中文描述： ABT SERIES, 10-BIT DRIVER, TRUE OUTPUT, PDSO24
封裝： PLASTIC, TSSOP-24
文件頁數(shù)： 4/6頁
文件大?。?/td> 69K
代理商： 74ABT821PWDH
Philips Semiconductors
Product specification
74ABT821
10-bit D-type flip-flop; positive-edge trigger
(3-State)
1995 Sep 06
4
DC ELECTRICAL CHARACTERISTICS
LIMITS
SYMBOL
PARAMETER
TEST CONDITIONS
T
amb
= +25
°
C
T
amb
= –40
°
C
to +85
°
C
UNIT
Min
Typ
Max
Min
Max
V
IK
Input clamp voltage
V
CC
= 4.5V; I
IK
= –18mA
–0.9
–1.2
–1.2
V
V
CC
= 4.5V; I
OH
= –3mA; V
I
= V
IL
or V
IH
2.5
2.9
2.5
V
V
OH
High-level output voltage
V
CC
= 5.0V; I
OH
= –3mA; V
I
= V
IL
or V
IH
3.0
3.4
3.0
V
V
CC
= 4.5V; I
OH
= –32mA; V
I
= V
IL
or V
IH
2.0
2.4
2.0
V
V
OL
Low-level output voltage
V
CC
= 4.5V; I
OL
= 64mA; V
I
= V
IL
or V
IH
0.42
0.55
0.55
V
V
RST
Power-up output low
voltage
3
V
CC
= 5.5V; I
O
= 1mA; V
I
= GND or V
CC
0.13
0.55
0.55
V
I
I
Input leakage current
V
CC
= 5.5V; V
I
= GND or 5.5V
±
0.01
±
1.0
±
1.0
μ
A
I
OFF
Power-off leakage current
V
CC
= 0.0V; V
O
or V
I
≤
4.5V
±
5.0
±
100
±
100
μ
A
I
PU
/I
PD
Power-up/down 3-State
output current
4
V
CC
= 2.0V; V
O
= 0.5V; V
I
= GND or V
CC
;
V
OE
= V
CC
±
5.0
±
50
±
50
μ
A
I
OZH
3-State output High current
V
CC
= 5.5V; V
O
= 2.7V; V
I
= V
IL
or V
IH
5.0
50
50
μ
A
I
OZL
3-State output Low current
V
CC
= 5.5V; V
O
= 0.5V; V
I
= V
IL
or V
IH
–5.0
–50
–50
μ
A
I
CEX
Output High leakage current
V
CC
= 5.5V; V
O
= 5.5V; V
I
= GND or V
CC
5.0
50
50
μ
A
I
O
Output current
1
V
CC
= 5.5V; V
O
= 2.5V
–50
–100
–180
–50
–180
mA
I
CCH
V
CC
= 5.5V; Outputs High, V
I
= GND or V
CC
0.5
250
250
μ
A
I
CCL
Quiescent supply current
V
CC
= 5.5V; Outputs Low, V
I
= GND or V
CC
25
38
38
mA
I
CCZ
V
CC
= 5.5V; Outputs 3-State;
V
I
CC
0.5
250
250
μ
A
I
CC
Additional supply current per
input pin
2
V
CC
= 5.5V; one input at 3.4V,
other inputs at V
CC
or GND
0.5
1.5
1.5
mA
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
CC
between 0V and 2.1V with a transition time of up to 10msec. For V
CC
= 2.1V to V
CC
= 5V
transition time of up to 100
μ
sec is permitted.
10%, a
AC CHARACTERISTICS
GND = 0V, t
R
= t
F
= 2.5ns, C
L
= 50pF, R
L
=
500
LIMITS
SYMBOL
PARAMETER
WAVEFORM
T
amb
= +25
o
C
V
CC
= +5.0V
T
amb
= -40 to
+85
o
C
V
CC
= +5.0V
±
0.5V
UNIT
Min
Typ
Max
Typ
Max
f
MAX
Maximum clock frequency
1
125
185
125
ns
t
PLH
t
PHL
Propagation delay
CP to Qn
1
2.1
2.8
4.1
4.6
5.6
6.2
2.1
2.8
6.2
6.7
ns
t
PZH
t
PZL
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
ns
t
PHZ
t
PLZ
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
ns
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