参数资料
型号: 74HCT4059D,112
厂商: NXP Semiconductors
文件页数: 2/20页
文件大小: 0K
描述: IC PROG DIVIDE-BY-N COUNT 24SOIC
产品培训模块: Logic Packages
标准包装: 1,200
系列: 74HCT
逻辑类型: 除以 N
方向:
元件数: 1
每个元件的位元数: 16
复位: 异步
计时: 同步
计数速率: 36MHz
触发器类型: 正边沿
电源电压: 4.5 V ~ 5.5 V
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 24-SOIC(0.295",7.50mm 宽)
供应商设备封装: 24-SO
包装: 管件
1998 Jul 08
10
Philips Semiconductors
Product specication
Programmable divide-by-n counter
74HC/HCT4059
DC CHARACTERISTICS FOR 74HCT
For the DC characteristics see
“74HC/HCT/HCU/HCMOS Logic Family Specifications”.
Output capability: standard
ICC category: MSI
Note to HCT types
The value of additional quiescent supply current (
I
CC) for a unit load of 1 is given in the family specifications.
To determine
ICC per input, multiply this value by the unit load coefficient shown in the table below.
AC CHARACTERISTICS FOR 74HCT
GND = 0 V; tr =tf = 6 ns; CL = 50 pF
Note
1. From master preset mode to any other mode.
INPUT
UNIT LOAD COEFFICIENT
CP
0.65
LE
0.65
Jn
0.50
Ka
1.00
Kb
1.50
Kc
0.85
SYMBOL PARAMETER
Tamb (°C)
UNIT
TEST CONDITIONS
74HCT
VCC
(V)
WAVEFORMS
+25
40 to +85 40 to +125
min. typ. max. min. max.
min. max.
tPHL/ tPLH
propagation delay
CP to Q
24
46
58
69
ns
4.5
Fig.7
tPHL/ tPLH
propagation delay
LE to Q
24
46
58
69
ns
4.5
Fig.8
tTHL/ tTLH
output transition time
7
15
19
22
ns
4.5
Fig.7
tW
clock pulse width
CP
20
7
25
30
ns
4.5
Fig.7
trem
removal time
Kb, Kc to CP
15
7
9
22
ns
4.5
Fig.9; note 1
fmax
maximum clock pulse
frequency
21
36
17
14
MHz
4.5
Fig.7
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