參數(shù)資料
型號: CD74HC192PW
廠商: Texas Instruments, Inc.
元件分類: 通用總線功能
英文描述: High-Speed CMOS Logic Presettable Synchronous 4-Bit Up/Down Counters
中文描述: 高速CMOS邏輯預置同步4位向上/向下計數(shù)器
文件頁數(shù): 4/16頁
文件大?。?/td> 355K
代理商: CD74HC192PW
4
HCT TYPES
High Level Input
Voltage
V
IH
-
-
4.5 to
5.5
2
-
-
2
-
2
-
V
Low Level Input
Voltage
V
IL
-
-
4.5 to
5.5
-
-
0.8
-
0.8
-
0.8
V
High Level Output
Voltage
CMOS Loads
V
OH
V
IH
or
V
IL
-0.02
4.5
4.4
-
-
4.4
-
4.4
-
V
High Level Output
Voltage
TTL Loads
-4
4.5
3.98
-
-
3.84
-
3.7
-
V
Low Level Output
Voltage
CMOS Loads
V
OL
V
IH
or
V
IL
0.02
4.5
-
-
0.1
-
0.1
-
0.1
V
Low Level Output
Voltage
TTL Loads
4
4.5
-
-
0.26
-
0.33
-
0.4
V
Input Leakage
Current
I
I
V
CC
to
GND
-
5.5
-
-
±
0.1
-
±
1
-
±
1
μ
A
Quiescent Device
Current
I
CC
V
CC
or
GND
-
5.5
-
-
8
-
80
-
160
μ
A
Additional Quiescent
Device Current Per
Input Pin: 1 Unit Load
I
CC
(Note 2)
V
CC
- 2.1
-
4.5 to
5.5
-
100
360
-
450
-
490
μ
A
NOTE:
2. For dual-supply systems theoretical worst case (V
I
= 2.4V, V
CC
= 5.5V) specification is 1.8mA.
DC Electrical Specifications
(Continued)
PARAMETER
SYMBOL
TEST
CONDITIONS
25
o
C
-40
o
C TO 85
o
C
-55
o
C TO 125
o
C
UNITS
V
I
(V)
I
O
(mA)
V
CC
(V)
MIN
TYP
MAX
MIN
MAX
MIN
MAX
HCT Input Loading Table
INPUT
UNIT LOADS
P0-P3
0.4
MR
1.45
PL
0.85
CPU, CPD
1.45
NOTE: Unit Load is
I
CC
limit specified in DC Electrical
Specifications table, e.g. 360
μ
A max at 25
o
C.
CD54/74HC192, CD54/74HC193, CD54/74HCT193
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