参数资料
型号: HEF4511BT,652
厂商: NXP Semiconductors
文件页数: 9/20页
文件大小: 0K
描述: IC BCD-7 SEG DECODER/DRVR 16SOIC
标准包装: 1,000
显示器类型: LED
配置: 7 段显示
接口: BCD
电源电压: 3 V ~ 15 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 16-SOIC(0.154",3.90mm 宽)
供应商设备封装: 16-SO
包装: 管件
NXP Semiconductors
HEF4511B
BCD to 7-segment latch/decoder/driver
Table 8. Dynamic characteristics …continued
V SS = 0 V; T amb = 25 ? C; for test circuit see Figure 8 .
Symbol
t PLH
Parameter
LOW to HIGH
propagation delay
Conditions
Dn ? Qn;
V DD
5V
10 V
Extrapolation formula [1]
108 ns + (0.55 ns/pF)C L
44 ns + (0.23 ns/pF)C L
Min
-
-
Typ
135
55
Max
270
110
Unit
ns
ns
15 V
32 ns + (0.16 ns/pF)C L
-
40
80
ns
LE ? Qn;
BL ? Qn;
LT ? Qn;
5V
10 V
15 V
5V
10 V
15 V
5V
10 V
15 V
133 ns + (0.55 ns/pF)C L
59 ns + (0.23 ns/pF)C L
42 ns + (0.16 ns/pF)C L
78 ns + (0.55 ns/pF)C L
29 ns + (0.23 ns/pF)C L
22 ns + (0.16 ns/pF)C L
33 ns + (0.55 ns/pF)C L
19 ns + (0.23 ns/pF)C L
17 ns + (0.16 ns/pF)C L
-
-
-
-
-
-
-
-
-
160
70
50
105
40
30
60
30
25
320
140
100
210
80
60
120
60
50
ns
ns
ns
ns
ns
ns
ns
ns
ns
t THL
t TLH
HIGH to LOW output see Figure 6
transition time
LOW to HIGH output see Figure 6
transition time
5V
10 V
15 V
5V
10 V
15 V
10 ns + (1.00 ns/pF)C L
9 ns + (0.42 ns/pF)C L
6 ns + (0.28 ns/pF)C L
20 ns + (1.00 ns/pF)C L
13 ns + (0.06 ns/pF)C L
10 ns + (0.06 ns/pF)C L
-
-
-
-
-
-
60
30
20
25
16
13
120
60
40
50
32
26
ns
ns
ns
ns
ns
ns
t su
set-up time
Dn ? LE;
5V
10 V
50
25
25
12
-
-
ns
ns
15 V
20
9
-
ns
t h
hold time
Dn ? LE;
5V
10 V
60
30
30
15
-
-
ns
ns
15 V
25
12
-
ns
t W
pulse width
LE input LOW;
minimum width;
5V
10 V
15 V
80
40
35
40
20
17
-
-
-
ns
ns
ns
[1]
The typical values of the propagation delay and transition times are calculated from the extrapolation formulas shown (C L in pF).
Table 9. Dynamic power dissipation P D
P D can be calculated from the formulas shown. V SS = 0 V; t r = t f ? 20 ns; T amb = 25 ? C.
Symbol
Parameter
V DD
Typical formula for P D ( ? W)
where:
P D
dynamic power
dissipation
5V
10 V
P D = 1000 ? f i + ? (f o ? C L ) ? V DD
P D = 4000 ? f i + ? (f o ? C L ) ? V DD
2
2
f i = input frequency in MHz;
f o = output frequency in MHz;
15 V
P D = 10000 ? f i + ? (f o ? C L ) ?
V DD2
C L = output load capacitance in pF;
V DD = supply voltage in V;
? (f o ? C L ) = sum of the outputs.
HEF4511B
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 7 — 11 November 2011
? NXP B.V. 2011. All rights reserved.
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