參數(shù)資料
型號(hào): 74HCT4543
廠商: NXP Semiconductors N.V.
元件分類: 通用總線功能
英文描述: 4-Bit Synchronous Up/Down Binary Counters 16-PDIP -40 to 85
中文描述: BCD碼至7段鎖存器/解碼器/驅(qū)動(dòng)器的液晶顯示器
文件頁(yè)數(shù): 8/11頁(yè)
文件大?。?/td> 78K
代理商: 74HCT4543
December 1990
8
Philips Semiconductors
Product specification
BCD to 7-segment latch/decoder/driver for
LCDs
74HC/HCT4543
DC CHARACTERISTICS FOR 74HCT
Output capability: non-standard
I
CC
category: MSI
Voltages are referenced to GND (ground = 0 V)
SYMBOL
PARAMETER
T
amb
(
°
C)
UNIT
TEST CONDITIONS
74HCT
V
CC
(V)
V
I
OTHER
+
25
40 to
+
85
40 to
+
125
min.
typ.
max. min. max. min.
max.
V
IH
HIGH level input
voltage
2.0
1.6
2.0
2.0
V
4.5
to
5.5
4.5
to
5.5
4.5
V
IL
LOW level input
voltage
1.2
0.8
0.8
0.8
V
V
OH
HIGH level output
voltage
4.4
4.5
4.4
4.4
V
V
IH
or
V
IL
V
IH
or
V
IL
V
IH
or
V
IL
V
IH
or
V
IL
V
CC
or
GND
V
CC
or
GND
V
CC
2.1V
I
O
= 20
μ
A
V
OH
HIGH level output
voltage
3.98
4.32
3.84
3.7
V
4.5
I
O
= 1.0 mA
V
OL
LOW level output
voltage
0
0.1
0.1
0.1
V
4.5
I
O
= 20
μ
A
V
OL
LOW level output
voltage
0.15
0.26
0.33
0.4
V
4.5
I
O
= 1.0 mA
±
I
I
input leakage
current
0.1
1.0
1.0
μ
A
5.5
I
CC
quiescent supply
current
8.0
80.0
160.0
μ
A
5.5
I
O
= 0
I
CC
additional
quiescent supply
current per input
pin for unit load
coefficient is 1
(note 1)
100
360
450
490
μ
A
4.5
to
5.5
other inputs
at V
CC
or
GND; I
O
= 0
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