參數(shù)資料
型號: 74HCT393N,652
廠商: NXP Semiconductors
文件頁數(shù): 21/21頁
文件大?。?/td> 0K
描述: IC COUNTER DUAL 4BIT BIN 14DIP
產(chǎn)品培訓模塊: Logic Packages
標準包裝: 1,000
系列: 74HCT
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
復位: 異步
計數(shù)速率: 107MHz
觸發(fā)器類型: 負邊沿
電源電壓: 4.5 V ~ 5.5 V
工作溫度: -40°C ~ 125°C
安裝類型: 通孔
封裝/外殼: 14-DIP(0.300",7.62mm)
供應商設備封裝: 14-DIP
包裝: 管件
74HC_HCT393
All information provided in this document is subject to legal disclaimers.
NXP Semiconductors N.V. 2014. All rights reserved.
Product data sheet
Rev. 5 — 1 April 2014
9 of 21
NXP Semiconductors
74HC393; 74HCT393
Dual 4-bit binary ripple counter
fclk(max)
maximum
clock
frequency
VCC = 2.0 V
6
30
-
5
-
4
-
MHz
VCC = 4.5 V
30
90
-
24
-
20
-
MHz
VCC = 5 V; CL = 15 pF
-
99
-
MHz
VCC = 6.0 V
35
107
-
28
24
-
MHz
CPD
power
dissipation
capacitance
CL =50pF;f=1 MHz;
VI =GND to VCC
-23
-
pF
74HCT393
tpd
propagation
delay
nCP to nQ0; see Figure 9
VCC = 4.5 V
-
15
25
-
31
-
38
ns
VCC =5V; CL =15pF
-
20
-
ns
nQx to nQ(x
1);
VCC = 4.5 V
-
6
10
-
13
-
15
ns
VCC =5V; CL =15pF
-
6
-
ns
tPHL
HIGH to
LOW
propagation
delay
nMR to nQx; see Figure 10
VCC = 4.5 V
-
18
32
-
40
-
48
ns
VCC =5V; CL =15pF
-
15
-
ns
tt
transition
time
Qn; see Figure 9
VCC = 4.5 V
-
7
15
-
19
-
22
ns
tW
pulse width
nCP HIGH or LOW;
VCC = 4.5 V
19
11
-
24
-
29
-
ns
nMR HIGH; see Figure 10
VCC = 4.5 V
16
6
-
20
-
24
-
ns
trec
recovery
time
nMR to nCP;
VCC = 4.5 V
5
0
-
5
-
5
-
ns
fclk(max)
maximum
clock
frequency
VCC = 4.5 V
27
48
-
22
-
18
-
MHz
VCC =5V; CL =15pF
-
53
-
MHz
Table 7.
Dynamic characteristics …continued
Voltages are referenced to GND (ground = 0 V); CL = 50 pF unless otherwise specified; for test circuit see Figure 11.
Symbol Parameter
Conditions
25
C
40 C to +85 C 40 C to +125 C Unit
Min
Typ
Max
Min
Max
Min
Max
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