TC4467 TELCOM [TelCom Semiconductor, Inc], TC4467 Datasheet - Page 5
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TC4467
Manufacturer Part Number
TC4467
Description
LOGIC-INPUT CMOS QUAD DRIVERS
Manufacturer
TELCOM [TelCom Semiconductor, Inc]
Datasheet
1.TC4467.pdf
(9 pages)
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complementary configuration (TC446X) because the
output stage N-channel and P-channel MOS transistors
are ON simultaneously for a very short period when the
output changes. The transition power dissipation is
approximately:
cent and transition power dissipations. An example shows
the relative magnitude for each term:
LOGIC-INPUT CMOS
QUAD DRIVERS
Transition power dissipation arises in the
P
Package power dissipation is the sum of load, quies-
C = 1000 pF capacitive load
V
D = 50%
f
P
TELCOM SEMICONDUCTOR, INC.
T
S
D
= f V
= 15V
= 200 kHz
= Package Power Dissipation = P
= 45 mW + 35 mW + 30 mW = 110 mW.
S
1 µF FILM
(10
1A
1B
2A
2B
3A
3B
4A
4B
1
2
3
4
5
6
8
9
10
–9
).
V DD
7
14
0.1 µF CERAMIC
13
12
11
10
V OUT
470 pF
L
Figure 1. Switching Time Test Circuit
+ P
Q
+ P
T
OUTPUT
INPUT
(A, B)
V DD
+5V
where: T
NOTE:
0V
0V
Maximum operating temperature:
T
Input: 100 kHz, square wave,
J
–
10%
"EJD" device or +125 C for "MJD" device.
Ambient operating temperature should not exceed +85 C for
t
RISE
JA
J
JA
= Junction-to-ambient thermal resistance
= Maximum allowable junction temperature
(P
= t
t D1
(+150 C)
D
FALL
) = 141 C,
(83.3 C/W) 14-pin plastic package.
90%
10%
10nsec
t
R
t D2
90%
10%
90%
TC4467
TC4468
TC4469
t F
4-265
1
2
3
4
5
6
7
8