參數(shù)資料
型號: 74VHC393SJ
廠商: Fairchild Semiconductor
文件頁數(shù): 7/10頁
文件大?。?/td> 0K
描述: IC COUNTER BIN DUAL 4BIT 14SOP
標準包裝: 47
系列: 74VHC
邏輯類型: 二進制計數(shù)器
方向:
元件數(shù): 2
每個元件的位元數(shù): 4
復(fù)位: 異步
計數(shù)速率: 115MHz
觸發(fā)器類型: 負邊沿
電源電壓: 2 V ~ 5.5 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 14-SOIC(0.209",5.30mm 寬)
供應(yīng)商設(shè)備封裝: 14-SOIC
包裝: 管件
1998 Fairchild Semiconductor Corporation
www.fairchildsemi.com
74VHC393 Rev. 1.5.0
6
74VHC393
Dual
4-Bit
Binar
y
Counter
AC Electrical Characteristics
Note:
2. CPD is defined as the value of the internal equivalent capacitance which is calculated from the operating
current consumption without load Average operating current can be obtained by the equation:
ICC(Opr.) = CPD VCC fIN + ICC / 2 (per Counter)
AC Operating Requirements
Symbol
Parameter
VCC (V)
Conditions
TA = 25°C
TA = –40°C to
+85°C
Units
Min.
Typ.
Max.
Min.
Max.
tPLH, tPHL
Propagation Delay
Time (CP–QA)
3.3 ± 0.3
CL = 15pF
8.6
13.2
1.0
15.5
ns
CL = 50pF
11.1
16.7
1.0
19.0
5.0 ± 0.5
CL = 15pF
5.8
8.5
1.0
10.0
CL = 50pF
7.3
10.5
1.0
12.0
tPLH, tPHL
Propagation Delay
Time (CP–QB)
3.3 ± 0.3
CL = 15pF
10.2
15.8
1.0
18.5
ns
CL = 50pF
12.7
19.3
1.0
22.0
5.0 ± 0.5
CL = 15pF
6.8
9.8
1.0
11.5
CL = 50pF
8.3
11.8
1.0
13.5
tPLH, tPHL
Propagation Delay
Time (CP–QC)
3.3 ± 0.3
CL = 15pF
11.7
18.0
1.0
21.0
ns
CL = 50pF
14.2
21.5
1.0
24.5
5.0 ± 0.5
CL = 15pF
7.7
11.2
1.0
13.0
CL = 50pF
9.2
13.2
1.0
15.0
tPLH, tPHL
Propagation Delay
Time (CP–QD)
3.3 ± 0.3
CL = 15pF
13.0
19.7
1.0
23.0
ns
CL = 50pF
15.5
23.2
1.0
26.5
5.0 ± 0.5
CL = 15pF
8.5
12.5
1.0
14.5
CL = 50pF
10.0
14.5
1.0
16.5
tPLH, tPHL
Propagation Delay
Time (CLR–Qn)
3.3 ± 0.3
CL = 15pF
7.9
12.3
1.0
14.5
ns
CL = 50pF
10.4
15.8
1.0
18.0
5.0 ± 0.5
CL = 15pF
5.4
8.1
1.0
9.5
CL = 50pF
6.9
10.1
1.0
11.5
fMAX
Maximum Clock
3.3 ± 0.3
CL = 15pF
75
120
65
MHz
CL = 50pF
45
65
35
5.0 ± 0.5
CL = 15pF
125
170
105
CL = 50pF
85
115
75
CIN
Input Capacitance
VCC = Open
4
10
pF
CPD
Power Dissipation
Capacitance
(2)
23
pF
Symbol
Parameter
VCC (V)
TA = 25°C
T A = – 40°C to +85°C
Units
Typ.
Guaranteed Minimum
tW(L), tW(H)
Minimum Pulse Width (CP)
3.3 ± 0.3
5.0
ns
5.0 ± 0.5
5.0
tW(H)
Minimum Pulse Width (CLR)
3.3 ± 0.3
5.0
ns
5.0 ± 0.5
5.0
tREM
Minimum Removal Time
3.3 ± 0.3
5.0
ns
5.0 ± 0.5
4.0
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