參數(shù)資料
型號(hào): 74HCT9114
廠商: NXP Semiconductors N.V.
英文描述: Dual 4-Input Positive-AND Gates 14-TSSOP -40 to 85
中文描述: 九廣施密特觸發(fā)緩沖區(qū);開漏輸出;反相
文件頁數(shù): 6/7頁
文件大小: 46K
代理商: 74HCT9114
December 1990
6
Philips Semiconductors
Product specification
Nine wide Schmitt trigger buffer;
open drain outputs; inverting
74HC/HCT9114
DC CHARACTERISTICS FOR 74HCT
For the DC characteristics see
“74HC/HCT/HCU/HCMOS Logic Family Specifications”
.
Transfer characteristics are given below.
Output capability: standard
I
CC
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
I
CC
per input, multiply this value by the unit load coefficient shown in the table below.
TRANSFER CHARACTERISTICS FOR 74HCT
Voltages are referred to GND (ground = 0 V)
AC CHARACTERISTICS FOR 74HCT
GND = 0 V; t
r
= t
f
= 6 ns; C
L
= 50 pF
INPUT
UNIT LOAD COEFFICIENT
A
n
0.3
SYMBOL
PARAMETER
T
amb
(
°
C)
UNIT
TEST CONDITIONS
74HCT
V
CC
(V)
WAVEFORMS
+25
40 to +85
40 to +125
min.
typ.
max.
min.
max.
min.
max.
V
T+
positive-going
threshold
negative-going
threshold
hysteresis (V
T+
V
T
) 0.2
0.9
1.2
0.7
0.8
1.50
1.70
1.06
1.27
0.44
0.44
2.0
2.1
1.4
1.7
0.8
0.8
0.9
1.2
0.7
0.8
0.2
0.2
2.0
2.1
1.4
1.7
0.8
0.8
0.9
1.2
0.7
0.8
0.2
0.2
2.0
2.1
1.4
2.7
0.8
0.8
V
4.5
5.5
4.5
5.5
4.5
5.5
Fig.6
V
T
V
Fig.6
V
H
0.2
V
Fig.6
SYMBOL
PARAMETER
T
amb
(
°
C)
UNIT
TEST CONDITIONS
74HCT
V
CC
(V)
WAVEFORMS
+25
40 to +85
40 to +125
min.
typ.
max.
min.
max.
min.
max.
t
PHL
/ t
PLZ
propagation delay
A
n
to Y
n
output transition time
17
31
39
47
ns
4.5
Fig.7
t
THL
7
15
19
22
ns
4.5
Fig.7
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