74ALVCH16500 Philips Semiconductors, 74ALVCH16500 Datasheet - Page 5

• Manufacturer Part Number: 74ALVCH16500
• Description: 18-bit universal bus transceiver 3-State
• Manufacturer: Philips Semiconductors

NOTE: A-to-B data flow is shown; B-to-A flow is similar but uses OEBA, LEBA, and CPBA.
Philips Semiconductors
LOGIC DIAGRAM (one section)
FUNCTION TABLE
H = High voltage level
h = High voltage level one set-up time prior to the Enable or Clock transition
L = Low voltage level
I
NC= No Change
X = Don’t care
Z = High Impedance ”off” state
1998 Sep 24
18-bit universal bus transceiver (3-State)
= Low voltage level one set-up time prior to the Enable or Clock transition
= High-to-Low Enable or Clock transition
OEAB
H
H
H
H
H
H
H
H
L
LEAB
H
H
H
OE
CP
OE
L
L
L
L
LE
CP
LE
An
AB
BA
BA
AB
BA
AB
INPUTS
18 IDENTICAL CHANNELS
CPAB
H or L
H or L
X
X
X
X
X
An
H
X
L
h
h
X
X
I
I
C1
1D
C1
1D
OUTPUTS
5
Bn
H
H
H
H
Z
L
L
L
L
C1
1D
C1
1D
OPERATING MODE
Latch data & display
Latch data & dis lay
Clock data & display
Clock data & dis lay
Hold data & display
Hold data & dis lay
Transparent
Disabled
74ALVCH16500
SW00090
Bn
Product specification