參數(shù)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(shù)： 2/6頁
文件大小： 71K
代理商： 700582D
January 1995
2
Philips Semiconductors
Product specification
Octal buffers with 3-state outputs
HEF40244B
buffers
DESCRIPTION
The HEF40244B is an octal non-inverting buffer with
3-state outputs. It features output stages with high current
output capability suitable for driving highly capacitive
loads.
The 3-state outputs are controlled by the output enable
inputsEO
A
andEO
B
. A HIGH onEO causes the outputs to
assume a high impedance OFF-state. The device also
features hysteresis on all inputs to improve noise
immunity.
Schmitt-trigger action in the inputs makes the circuit highly
tolerant to slower input rise and fall times.
The HEF40244B is pin and functionally compatible with
the TTL ‘244’ device.
Fig.1 Functional diagram.
PINNING
FAMILY DATA, I
DD
LIMITS category buffers
See Family Specifications
HEF40244BP(N):
HEF40244BD(F):
HEF40244BT(D):
( ): Package Designator North America
20-lead DIL; plastic (SOT146-1)
20-lead DIL; ceramic (cerdip) (SOT152)
20-lead SO; plastic (SOT163-1)
I
A1
to I
A4
I
B1
to I
B4
O
A1
to O
A4
O
B1
to O
B4
EO
A
, EO
B
inputs
inputs
bus outputs
bus outputs
output enable inputs (active LOW)
Fig.2 Pinning diagram.
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700584086 制造商:Molex 功能描述:
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