參數(shù)資料
型號(hào): BH16501ADL
廠商: NXP SEMICONDUCTORS
元件分類(lèi): 通用總線功能
英文描述: 18-bit universal bus transceiver 3-State
中文描述: ABT SERIES, 18-BIT REGISTERED TRANSCEIVER, TRUE OUTPUT, PDSO56
文件頁(yè)數(shù): 5/13頁(yè)
文件大小: 88K
代理商: BH16501ADL
Philips Semiconductors
Product specification
74ABT16501A
74ABTH16501A
18-bit universal bus transceiver (3-State)
1998 Feb 27
5
FUNCTION TABLE
INPUTS
Internal
Registers
OUTPUTS
OPERATING MODE
OEAB
LEAB
CPAB
An
Bn
L
H
X
X
X
Z
Disabled
L
X
h
H
Z
Disabled Latch data
Disabled, Latch data
L
X
I
L
Z
L
L
H or L
X
NC
Z
Disabled, Hold data
L
L
h
H
Z
Disabled Clock data
Disabled, Clock data
L
L
I
L
Z
H
H
X
H
H
H
Transparent
Trans arent
H
H
X
L
L
L
H
X
h
H
H
Latch data & display
Latch data & dis lay
H
X
I
L
L
H
L
h
H
H
Clock data & display
Clock data & dis lay
H
L
I
L
L
H
L
H or L
X
H
H
Hold data & display
Hold data & dis lay
H
L
H or L
X
L
L
NOTE:
A-to-B data flow is shown; B-to-A flow is similar but uses OEBA, LEBA, and CPBA.
H = High voltage level
h
= High voltage level one set-up time prior to the Enable or Clock transition
L
= Low voltage level
I
= Low voltage level one set-up time prior to the Enable or Clock transition
NC= No Change
X = Don’t care
Z = High Impedance ”off” state
= High-to-Low Enable or Clock transition
= Low-to-High Clock transition
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