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參數資料
| 型號： | MC14526BF |
| 廠商： | ON SEMICONDUCTOR |
| 元件分類： | 通用總線功能 |
| 英文描述： | Presettable 4-Bit Down Counters |
| 中文描述： | 4000/14000/40000 SERIES, SYN POSITIVE EDGE TRIGGERED 4-BIT DOWN BINARY COUNTER, PDSO16 |
| 封裝： | EIAJ, SOP-16 |
| 文件頁數： | 4/12頁 |
| 文件大小： | 208K |
| 代理商： | MC14526BF |
MC14526B
http://onsemi.com
4
(7.)
(8.)
Output Rise and Fall Time
t
TLH
, t
THL
= (1.5 ns/pF) C
L
+ 25 ns
t
TLH
, t
THL
= (0.75 ns/pF) C
L
+ 12.5 ns
t
TLH
, t
THL
= (0.55 ns/pF) C
L
+ 9.5 ns
t
TLH
,
t
THL
(Figures 4, 5)
5.0
10
15
—
—
—
100
50
40
200
100
80
ns
Propagation Delay Time (Inhibit Used as Negative
Edge Clock)
Clock or Inhibit to Q
t
PLH
, t
PHL
= (1.7 ns/pF) C
L
+ 465 ns
t
PLH
, t
PHL
= (0.66 ns/pF) C
L
+ 197 ns
t
PLH
, t
PHL
= (0.5 ns/pF) C
L
+ 135 ns
t
PLH
,
t
PHL
(Figures 4, 5, 6)
5.0
10
15
—
—
—
550
225
160
1100
450
320
ns
Clock or Inhibit to “0”
t
PLH
, t
PHL
= (1.7 ns/pF) C
L
+ 155 ns
t
PLH
, t
PHL
= (0.66 ns/pF) C
L
+ 87 ns
t
PLH
, t
PHL
= (0.5 ns/pF) C
L
+ 65 ns
5.0
10
15
—
—
—
240
130
100
480
260
200
Propagation Delay Time
Pn to Q
t
PLH
,
t
PHL
(Figures 4, 7)
5.0
10
15
—
—
—
260
120
100
520
240
200
ns
Propagation Delay Time
Reset to Q
t
PHL
(Figure 8)
5.0
10
15
—
—
—
250
110
80
500
220
160
ns
Propagation Delay Time
Preset Enable to “0”
t
PHL
,
t
PLH
(Figures 4, 9)
5.0
10
15
—
—
—
220
100
80
440
200
160
ns
Clock or Inhibit Pulse Width
t
w
(Figures 5, 6)
5.0
10
15
250
100
80
125
50
40
—
—
—
ns
Clock Pulse Frequency (with PE = low)
f
max
(Figures 4, 5, 6)
5.0
10
15
—
—
—
2.0
5.0
6.6
1.5
3.0
4.0
MHz
Clock or Inhibit Rise and Fall Time
t
r
,
t
f
(Figures 5, 6)
5.0
10
15
—
—
—
—
—
—
15
5
4
μ
s
Setup Time
Pn to Preset Enable
t
su
(Figure 10)
5.0
10
15
90
50
40
40
15
10
—
—
—
ns
Hold Time
Preset Enable to Pn
t
h
(Figure 10)
5.0
10
15
30
30
30
– 15
– 5
0
—
—
—
ns
Preset Enable Pulse Width
t
w
(Figure 10)
5.0
10
15
250
100
80
125
50
40
—
—
—
ns
Reset Pulse Width
t
w
(Figure 8)
5.0
10
15
350
250
200
175
125
100
—
—
—
ns
Reset Removal Time
t
rem
(Figure 8)
5.0
10
15
10
20
30
– 110
– 30
– 20
—
—
—
ns
7. The formulas given are for the typical characteristics only at 25 C.
8. Data labelled “Typ” is not to be used for design purposes but is intended as an indication of the IC’s potential performance.
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相關代理商/技術參數 |
參數描述 |
|---|---|
| MC14526BFG | 功能描述:計數器移位寄存器 3-18V Presettable 4-Bit Down RoHS:否 制造商:Texas Instruments 計數器類型: 計數順序:Serial to Serial/Parallel 電路數量:1 封裝 / 箱體:SOIC-20 Wide 邏輯系列: 邏輯類型: 輸入線路數量:1 輸出類型:Open Drain 傳播延遲時間:650 ns 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝:Reel |
| MC14526BFR1 | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| MC14527BCP | 制造商:Freescale Semiconductor 功能描述: |
| MC14528 | 制造商:Misc 功能描述: |
| MC14528BCP | 功能描述:單穩態多諧振蕩器 3-18V Dual RoHS:否 制造商:Texas Instruments 每芯片元件:1 邏輯系列:LVC 邏輯類型:Monostable Multivibrator 封裝 / 箱體:SSOP-8 傳播延遲時間:18.6 ns 高電平輸出電流:- 32 mA 低電平輸出電流:32 mA 電源電壓-最大:5.5 V 電源電壓-最小:1.65 V 最大功率耗散: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝:Reel |
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