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전자부품 반도체 검색엔진( 무료 PDF 다운로드 ) - 데이터시트뱅크

74HC9115 데이터 시트보기 (PDF) - Philips Electronics

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74HC9115 Datasheet PDF : 8 Pages
1 2 3 4 5 6 7 8
Philips Semiconductors
Nine wide Schmitt trigger buffer;
open drain outputs
Product specification
74HC/HCT9115
DC CHARACTERISTICS FOR 74HCT
For the DC characteristics see “74HC/HCT/HCU/HCMOS Logic Family Specifications”.
Transfer characteristics are given below.
Output capability: standard
ICC category: MSI
Note to HCT types
The value of additional quiescent supply current (ICC) 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.
INPUT
UNIT LOAD COEFFICIENT
An
0.3
TRANSFER CHARACTERISTICS FOR 74HCT
Voltages are referred to GND (ground = 0 V)
Tamb (°C)
TEST CONDITIONS
SYMBOL PARAMETER
74HCT
+25
40 to +85
40 to +125
UNIT
VCC
(V)
WAVEFORMS
min. typ. max. min. max. min. max.
VT+
positive-going threshold 0.9 1.50 2.0 0.9 2.0 0.9 2.0 V 4.5 Fig.6
1.2 1.70 2.1 1.2 2.1 1.2 2.1
5.5
VT
negative-going threshold 0.7 1.06 1.4 0.7 1.4 0.7 1.4 V 4.5 Fig.6
0.8 1.27 1.7 0.8 1.7 0.8 2.7
5.5
VH
hysteresis (VT+ VT)
0.2 0.44 0.8 0.2 0.8 0.2 0.8 V
4.5 Fig.6
0.2 0.44 0.8 0.2 0.8 0.2 0.8
5.5
AC CHARACTERISTICS FOR 74HCT
GND = 0 V; tr = tf = 6 ns; CL = 50 pF
Tamb (°C)
TEST CONDITIONS
SYMBOL PARAMETER
74HCT
+25
40 to +85
40 to +125
UNIT
VCC
(V)
WAVEFORMS
min. typ. max. min. max. min. max.
tPHL/ tPLZ propagation delay
An to Yn
18 31
39
47 ns 4.5 Fig.7
tTHL
output transition time
7 15
19
22 ns 4.5 Fig.7
December 1990
6

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