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參數(shù)資料
| 型號： | 933669840652 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 諧振器 |
| 英文描述： | HC/UH SERIES, DUAL MONOSTABLE MULTIVIBRATOR, PDIP16 |
| 封裝： | PLASTIC, DIP-16 |
| 文件頁數(shù)： | 13/13頁 |
| 文件大?。?/td> | 142K |
| 代理商： | 933669840652 |
September 1993
9
Philips Semiconductors
Product specication
Dual retriggerable precision monostable
multivibrator
74HC/HCT4538
NON-STANDARD DC CHARACTERISTICS FOR 74HCT
Voltages are referenced to GND (ground = 0 V)
Note
1. This measurement can only be carried out after a trigger pulse is applied.
AC WAVEFORMS
SYMBOL
PARAMETER
Tamb (°C)
UNIT
TEST CONDITIONS
74HCT
VCC
(V)
VI
(V)
OTHER
+25
40 to +85 40 to +125
min. typ max. min. max. min.
max.
±II
input leakage current
nRCEXT
0.5
5.0
10.0
A
5.5
2.0
or
GND
VCC or GND;
note 1
Fig.8
Waveforms showing the input (nA1,nA0,nRD) to output (nQ, nQ) propagation delays, the output transition
times, the input and output pulse widths, the removal time from direct reset (nRD) to input (nA1,nA0), and
the input retrigger time.
(1) HC : VM = 50%; VI = GND to VCC.
HCT: VM = 1.3 V; VI = GND to 3 V.
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