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74ALVT16652DL,512

P1-P3P4-P6P7-P9P10-P12P13-P14
Philips Semiconductors Product specification
74ALVT16652
2.5V/3.3V 16-bit bus transceiver/register
(3-State)
1998 Feb 13
4
LOGIC DIAGRAM
1D
C1
Q
DETAIL A X 7
nB0
1D
C1
Q
nA0
1of 8 Channels
nA7
nA6
nA5
nA4
nA3
nA2
nA1 nB1
nB2
nB3
nB4
nB5
nB6
nB7
nOE
BA
nOEAB
nCPBA
nSBA
nCPAB
nSAB
SH00065
FUNCTION TABLE
INPUTS DATA I/O
OPERATING MODE
nOEAB nOEBA nCPAB nCPBA nSAB nSBA nAx nBx
OPERATING
MODE
L
L
H
H
H or L
↑
H or L
↑
X
X
X
X
Input Input
Isolation
Store A and B data
X
H
H
H
↑
↑
H or L
↑
X
**
X
X
Input
Unspecified
output*
Store A, Hold B
Store A in both registers
L
L
X
L
H or L
↑
↑
↑
X
X
X
**
Unspecified
output*
Input
Hold A, Store B
Store B in both registers
L
L
L
L
X
X
X
H or L
X
X
L
H
Output Input
Real time B data to A bus
Stored B data to A bus
H
H
H
H
X
H or L
X
X
L
H
X
X
Input Output
Real time A data to B bus
Store A data to B bus
H L H or L H or L H H Output Output
Stored A data to B bus
Stored B data to A bus
H = High voltage level
L = Low voltage level
X = Don’t care
↑ = Low-to-High clock transition
* The data output function may be enabled or disabled by various signals at the nOEBA
and nOEAB inputs. Data input functions are
always enabled, i.e., data at the bus pins will be stored on every Low-to-High transition of the clock.
** If both Select controls (nSAB and nSBA) are Low, then clocks can occur simultaneously. If either Select control is High, the clocks must
be staggered in order to load both registers.
Philips Semiconductors Product specification
74ALVT16652
2.5V/3.3V 16-bit bus transceiver/register
(3-State)
1998 Feb 13
5
The following examples demonstrate the four fundamental
bus-management functions that can be performed with the
74ALVT16652. The select pins determine whether data is stored or
transferred through the device in real time. The output enable pins
determine the direction of the data flow.
}
REAL TIME BUS TRANSFER
BUS B TO BUS A
nOEAB nOEBA nCPAB nCPBA nSAB nSBA
LLXXXL
}
REAL TIME BUS TRANSFER
BUS A TO BUS B
nOEAB nOEBA nCPAB nCPBA nSAB nSBA
HHXXLX
}
STORAGE FROM
A, B, OR A AND B
nOEAB nOEBA nCPAB nCPBA nSAB nSBA
XH↑ XXX
LXX↑ XX
LH↑↑XX
}
TRANSFER STORED DATA
TO A OR B
nOEAB nOEBA nCPAB nCPBA nSAB nSBA
H L H | L H | L H H
ABAB AB
AB
SH00066
Philips Semiconductors Product specification
74ALVT16652
2.5V/3.3V 16-bit bus transceiver/register
(3-State)
1998 Feb 13
6
ABSOLUTE MAXIMUM RATINGS
1,
2
SYMBOL
PARAMETER CONDITIONS RATING UNIT
V
CC
DC supply voltage –0.5 to +4.6 V
I
IK
DC input diode current V
I
< 0 –50 mA
V
I
DC input voltage
3
–0.5 to +7.0 V
I
OK
DC output diode current V
O
< 0 –50 mA
V
OUT
DC output voltage
3
Output in Off or High state –0.5 to +7.0 V
I
OUT
DC out
p
ut current
Output in Low state 128
mA
I
OUT
DC
out ut
current
Output in High state –64
mA
T
stg
Storage temperature range –65 to +150 °C
NOTES:
1. Stresses beyond those listed may cause permanent damage to the device. These are stress ratings only and functional operation of the
device at these or any other conditions beyond those indicated under “recommended operating conditions” is not implied. Exposure to
absolute-maximum-rated conditions for extended periods may affect device reliability.
2. The performance capability of a high-performance integrated circuit in conjunction with its thermal environment can create junction
temperatures which are detrimental to reliability. The maximum junction temperature of this integrated circuit should not exceed 150°C.
3. The input and output negative voltage ratings may be exceeded if the input and output clamp current ratings are observed.
RECOMMENDED OPERATING CONDITIONS
SYMBOL
PARAMETER
2.5V RANGE LIMITS 3.3V RANGE LIMITS
UNIT
SYMBOL
PARAMETER
MIN MAX MIN MAX
UNIT
V
CC
DC supply voltage 2.3 2.7 3.0 3.6 V
V
I
Input voltage 0 5.5 0 5.5 V
V
IH
High-level input voltage 1.7 2.0 V
V
IL
Input voltage 0.7 0.8 V
I
OH
High-level output current –8 –32 mA
I
OL
Low-level output current 8 32
mA
I
OL
Low-level output current; current duty cycle ≤ 50%; f ≥ 1kHz 24 64
mA
∆t/∆v Input transition rise or fall rate; Outputs enabled 10 10 ns/V
T
amb
Operating free-air temperature range –40 +85 –40 +85 °C
P1-P3P4-P6P7-P9P10-P12P13-P14

74ALVT16652DL,512

Mfr. #:
Buy 74ALVT16652DL,512
Manufacturer:
NXP Semiconductors
Description:
Bus Transceivers 2.5/3.3V 16-BIT REG
Lifecycle:
New from this manufacturer.
Delivery:
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