參數(shù)資料
型號： CDP1878CE
廠商： INTERSIL CORP
元件分類： XO, clock
英文描述： CMOS Dual Counter-Timer
中文描述： 2 TIMER(S), PROGRAMMABLE TIMER, PDIP28
封裝： PLASTIC, DIP-28
文件頁數(shù)： 2/13頁
文件大小： 61K
代理商： CDP1878CE
4-92
CDP1878C
Absolute Maximum Ratings
Thermal Information
DC Supply-Voltage Range, (V
DD
)
(All Voltages Referenced to V
SS
Terminal)
CDP1878C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.5V to +7V
Input Voltage Range, All Inputs . . . . . . . . . . . . . -0.5V to V
DD
+0.5V
DC Input Current, Any One Input
. . . . . . . . . . . . . . . . . . . . . . . . .±
10mA
Thermal Resistance (Typical)
PDIP Package . . . . . . . . . . . . . . . . . . .
SBDIP Package. . . . . . . . . . . . . . . . . .
Device Dissipation Per Output Transistor
T
A
= Full Package Temperature Range
(All Package Types). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100mW
Operating Temperature Range (T
A
)
Package Type D. . . . . . . . . . . . . . . . . . . . . . . . . .-55
o
C to +125
o
C
Package Type E. . . . . . . . . . . . . . . . . . . . . . . . . . .-40
o
C to +85
o
C
Storage Temperature Range (T
STG
). . . . . . . . . . . .-65
o
C to +150
o
C
Lead Temperature (During Soldering)
At distance 1/16
±
1/32 In. (1.59
±
0.79mm)
from case for 10s max. . . . . . . . . . . . . . . . . . . . . . . . . . . .+265
o
C
θ
JA
(
o
C/W)
55
50
θ
JC
(
o
C/W)
N/A
12
CAUTION: Stresses above those listed in “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress only rating and operation
of the device at these or any other conditions above those indicated in the operational sections of this specification is not implied.
Recommended Operating Conditions
At T
A
= Full Package Temperature Range. For maximum reliability, operating conditions
should be selected so that operation is always within the following ranges:
PARAMETER
SYMBOL
MIN
MAX
UNITS
DC Operating Voltage Range
4
6.5
V
Input Voltage Range
V
SS
V
DD
V
Maximum Clock Input Rise or Fall Time
t
R
, t
F
-
5
μ
s
Minimum Clock Pulse Width
t
WL
, t
WH
200
-
ns
Maximum Clock Input Frequency
f
CL
DC
1
MHz
Static Electrical Specifications
At T
A
= -40
o
C to +85
o
C, V
DD
±
5% Except as noted:
PARAMETER
SYMBOL
CONDITIONS
LIMITS
UNITS
V
O
(V)
V
IN
(V)
V
DD
(V)
MIN
(NOTE 1)
TYP
MAX
Quiescent Device Current
I
DD
-
0, 5
5
-
0.02
200
μ
A
Output Low Drive (Sink) Current
I
OL
0.4
0, 5
5
1.6
3.2
-
mA
Output High Drive (Source) Current
I
OH
4.6
0, 5
5
-1.15
-2.3
-
mA
Output Voltage Low-Level (Note 2)
V
OL
-
0, 5
5
-
0
0.1
V
Output Voltage High-Level (Note 2)
V
OH
-
0, 5
5
4.9
5
-
V
Input Low Voltage
V
IL
0.5, 4.5
-
5
-
-
1.5
V
Input High Voltage
V
IH
0.5, 9.5
-
5
3.5
-
-
V
Input Leakage Current
I
IN
Any Input
0, 5
5
-
-
±
1
μ
A
Operating Current (Note 3)
I
DD1
-
0, 5
5
-
1.5
3
mA
Input Capacitance
C
IN
-
-
-
-
5
7.5
pF
Output Capacitance
C
OUT
-
-
-
-
10
15
pF
NOTES:
1. Typical values are for T
A
= +25
o
C and nominal V
DD
.
2. I
OL
= I
OH
= 1
μ
A
3. Operating current measured at 200kHz for V
DD
= 5V, with open outputs (worst-case frequencies for CDP1802A system operating at max-
imum speed of 3.2MHz).
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