74ALVT16500 Просмотр технического описания (PDF) - Philips Electronics
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74ALVT16500 Datasheet PDF : 17 Pages
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Philips Semiconductors
2.5V/3.3V 18-bit universal bus transceiver (3-State)
FUNCTION TABLE
INPUTS
OEAB
LEAB
CPAB
An
Internal
Registers
OUTPUTS
Bn
L
H
X
X
X
Z
L
↓
X
h
H
Z
L
↓
X
I
L
Z
L
L
H or L
X
NC
Z
L
L
↓
h
H
Z
L
L
↓
I
L
Z
H
H
X
H
H
H
H
H
X
L
L
L
H
↓
X
h
H
H
H
↓
X
I
L
L
H
L
↓
h
H
H
H
L
↓
I
L
L
H
L
H or L
X
H
H
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
Product specification
74ALVT16500
OPERATING MODE
Disabled
Disabled, Latch data
Disabled, Hold data
Disabled, Clock data
Transparent
Latch data & display
Clock data & display
Hold data & display
1998 Feb 13
4
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