參數(shù)資料
型號(hào): HEF4044BT
廠商: NXP Semiconductors N.V.
元件分類: 通用總線功能
英文描述: Quad R-S latch with 3-state outputs
封裝: HEF4044BP<SOT38-4 (DIP16)|<<http://www.nxp.com/packages/SOT38-4.html<1<Always Pb-free,;HEF4044BT<SOT109-1 (SO16)|<<http://www.nxp.com/packages/SOT109-1.html<1<week
文件頁(yè)數(shù): 5/13頁(yè)
文件大小: 130K
代理商: HEF4044BT
HEF4044B_9
NXP B.V. 2009. All rights reserved.
Product data sheet
Rev. 09 — 15 December 2009
5 of 13
NXP Semiconductors
HEF4044B
Quad R/S latch with 3-state outputs
11. Dynamic characteristics
[1]
The typical values of the propagation delay and transition times are calculated from the extrapolation formulas shown (C
L
in pF).
I
DD
supply current
I
O
= 0 A
5 V
10 V
15 V
-
-
-
-
20
40
80
-
-
-
-
-
20
40
80
7.5
-
-
-
-
150
300
600
-
μ
A
μ
A
μ
A
pF
C
I
input capacitance
Table 6.
V
SS
= 0 V; V
I
= V
SS
or V
DD
unless otherwise specified.
Symbol Parameter
Static characteristics
…continued
Conditions
V
DD
T
amb
=
40
°
C
Min
T
amb
= 25
°
C
Min
T
amb
= 85
°
C
Min
Unit
Max
Max
Max
Table 7.
V
SS
= 0 V; T
amb
= 25
°
C; for test circuit see
Figure 6
; unless otherwise specified.
Symbol
Parameter
Conditions
t
PHL
HIGH to LOW
propagation delay
Figure 4
Dynamic characteristics
V
DD
5 V
10 V
15 V
5 V
10 V
15 V
5 V
10 V
15 V
5 V
10 V
15 V
5 V
10 V
15 V
5 V
10 V
15 V
5 V
10 V
15 V
5 V
10 V
15 V
5 V
10 V
15 V
Extrapolation formula
63 ns + (0.55 ns/pF)C
L
29 ns + (0.23 ns/pF)C
L
22 ns + (0.16 ns/pF)C
L
63 ns + (0.55 ns/pF)C
L
29 ns + (0.23 ns/pF)C
L
22 ns + (0.16 ns/pF)C
L
10 ns + (1.00 ns/pF)C
L
9 ns + (0.42 ns/pF)C
L
6 ns + (0.28 ns/pF)C
L
Min
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
30
20
16
30
20
16
Typ
90
40
30
90
40
30
60
30
20
50
30
25
30
25
20
50
25
20
50
25
20
15
10
8
15
10
8
Max
185
80
60
180
80
60
120
60
40
100
60
50
60
45
40
100
50
40
95
45
35
-
-
-
-
-
-
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
nR to nQ; see
[1]
t
PLH
LOW to HIGH
propagation delay
nS to nQ;
see
Figure 4
[1]
t
t
transition time
see
Figure 4
[1]
t
PHZ
HIGH to OFF-state
propagation delay
OE
nQ;
see
Figure 5
t
PLZ
LOW to OFF-state
propagation delay
OE
nQ;
see
Figure 5
t
PZH
OFF-state to HIGH
propagation delay
OE
nQ;
see
Figure 5
t
PZL
OFF-state to LOW
propagation delay
OE
nQ;
see
Figure 5
t
W
pulse width
nS input LOW;
minimum width;
see
Figure 4
nR input LOW;
minimum width;
see
Figure 4
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