參數(shù)資料
型號: 74HC40103DB,112
廠商: NXP Semiconductors
文件頁數(shù): 23/25頁
文件大?。?/td> 0K
描述: IC 8BIT SYNC BINARY DOWN 16-SSOP
產品培訓模塊: Logic Packages
標準包裝: 78
系列: 74HC
邏輯類型: 二進制計數(shù)器
方向:
元件數(shù): 1
每個元件的位元數(shù): 8
復位: 異步
計時: 同步
計數(shù)速率: 32MHz
觸發(fā)器類型: 正邊沿
電源電壓: 2 V ~ 6 V
工作溫度: -40°C ~ 125°C
安裝類型: 表面貼裝
封裝/外殼: 16-SSOP(0.209",5.30mm 寬)
供應商設備封裝: 16-SSOP
包裝: 管件
其它名稱: 568-2677-5
935189340112
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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