參數(shù)資料
型號(hào): 933727300652
廠商: NXP SEMICONDUCTORS
元件分類: 總線收發(fā)器
英文描述: 4000/14000/40000 SERIES, OCTAL 1-BIT TRANSCEIVER, TRUE OUTPUT, CDIP20
封裝: CERAMIC, DIP-20
文件頁數(shù): 3/6頁
文件大小: 80K
代理商: 933727300652
January 1995
3
Philips Semiconductors
Product specication
Octal bus transceiver with 3-state outputs
HEF40245B
buffers
Fig.3 Functional diagram.
FUNCTION TABLE
Notes
1. H = HIGH state (the more positive voltage)
L = LOW state (the less positive voltage)
X = state is immaterial
Z = high impedance OFF-state
INPUTS
INPUTS/OUTPUTS
EO
DR
An
Bn
L
A = B
input
L
H
input
B = A
HX
Z
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.
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