參數資料
型號: 700582D
英文描述: IC-SM-LOCMOS
中文描述: 集成電路釤LOCMOS
文件頁數: 4/6頁
文件大?。?/td> 71K
代理商: 700582D
January 1995
4
Philips Semiconductors
Product specification
Octal buffers with 3-state outputs
HEF40244B
buffers
Fig.4 Typical output source current characteristic.
(1) P-channel MOS transistor conducting.
(2) P-channel MOS transistor and bipolar
n-p-n transistor conducting.
Fig.5 Schematic diagram of output stage.
AC CHARACTERISTICS
V
SS
= 0 V; T
amb
= 25
°
C; input transition times
20 ns
ALL BUFFERS
SWITCHING
V
DD
V
TYPICAL FORMULA FOR P (
μ
W)
Dynamic power
dissipation per
package (P)
5
4 250 f
i
+ ∑
(f
o
C
L
)
×
V
DD2
17 000 f
i
+ ∑
(f
o
C
L
)
×
V
DD2
46 000 f
i
+ ∑
(f
o
C
L
)
×
V
DD2
where
f
i
= input freq. (MHz)
f
o
= output freq. (MHz)
C
L
= load capacitance (pF)
(f
o
C
L
) = sum of outputs
V
DD
= supply voltage (V)
10
15
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