参数资料
型号: 74HC40103N,652
厂商: NXP Semiconductors
文件页数: 23/25页
文件大小: 0K
描述: IC COUNTER 8BIT SYNC BIN 16DIP
产品培训模块: Logic Packages
标准包装: 25
系列: 74HC
逻辑类型: 二进制计数器
方向:
元件数: 1
每个元件的位元数: 8
复位: 异步
计时: 同步
计数速率: 32MHz
触发器类型: 正边沿
电源电压: 2 V ~ 6 V
工作温度: -40°C ~ 125°C
安装类型: 通孔
封装/外壳: 16-DIP(0.300",7.62mm)
供应商设备封装: 16-DIP
包装: 管件
产品目录页面: 835 (CN2011-ZH PDF)
其它名称: 568-1445-5
74HC40103N
933669640652
9397 750 13812
Koninklijke Philips Electronics N.V. 2004. All rights reserved.
Product data sheet
Rev. 03 — 12 November 2004
7 of 25
Philips Semiconductors
74HC40103
8-bit synchronous binary down counter
8.
Functional description
8.1 Function table
[1]
H = HIGH voltage level;
L = LOW voltage level;
X = don’t care.
[2]
Clock connected to CP.
Synchronous operation: changes occur on the LOW-to-HIGH CP transition.
Jam inputs: MSD = P7, LSD = P0.
9.
Limiting values
[1]
Above 70
°C: P
tot derates linearly with 12 mW/K.
[2]
Above 70
°C: P
tot derates linearly with 8 mW/K.
Table 4:
Function table [1]
Control inputs
Preset mode
MR
PL
PE
TE
L
X
asynchronous
clear to maximum count
H
L
X
asynchronous
preset asynchronously
H
L
X
synchronous
preset on next LOW-to HIGH clock transition
H
L
synchronous
count down
H
synchronous
inhibit counter
Table 5:
Limiting values
In accordance with the Absolute Maximum Rating System (IEC 60134). Voltages are referenced to
GND (ground = 0 V).
Symbol
Parameter
Conditions
Min
Max
Unit
VCC
supply voltage
0.5
+7
V
IIK
input diode current
VI < 0.5 V or VI >VCC + 0.5 V
-
±20
mA
IOK
output diode current
VO < 0.5 V or
VO >VCC + 0.5 V
-
±20
mA
IO
output source or sink
current
VO = 0.5 V to VCC + 0.5 V
-
±25
mA
ICC, IGND
VCC or GND current
-
±50
mA
Tstg
storage temperature
65
+150
°C
Ptot
power dissipation
DIP16 package
750
mW
SO16, SSOP16 and
TSSOP16 packages
500
mW
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