74ABT646ADB,112 NXP Semiconductors, 74ABT646ADB,112 Datasheet - Page 5
![IC TRANSCVR 8BIT N-INV 24SSOP](/photos/6/52/65222/568-24-ssop_sot340-1_sml.jpg)
74ABT646ADB,112
Manufacturer Part Number
74ABT646ADB,112
Description
IC TRANSCVR 8BIT N-INV 24SSOP
Manufacturer
NXP Semiconductors
Series
74ABTr
Datasheet
1.74ABT646ADB118.pdf
(19 pages)
Specifications of 74ABT646ADB,112
Logic Type
Registered Transceiver, Non-Inverting
Package / Case
24-SSOP
Number Of Elements
1
Number Of Bits Per Element
8
Current - Output High, Low
32mA, 64mA
Voltage - Supply
4.5 V ~ 5.5 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Logic Family
ABT
Number Of Channels Per Chip
8
Input Level
TTL
Output Level
TTL
Output Type
3-State
High Level Output Current
- 32 mA
Low Level Output Current
64 mA
Propagation Delay Time
5.2 ns
Supply Voltage (max)
5.5 V
Supply Voltage (min)
4.5 V
Maximum Operating Temperature
+ 85 C
Function
Bus Transceiver / Register
Input Bias Current (max)
30000 uA
Minimum Operating Temperature
- 40 C
Mounting Style
SMD/SMT
Polarity
Non-Inverting
Number Of Circuits
1
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Lead free / RoHS Compliant
Other names
74ABT646ADB
74ABT646ADB
935192640112
74ABT646ADB
935192640112
NXP Semiconductors
6. Functional description
Table 3.
[1]
[2]
74ABT646A_3
Product data sheet
Inputs
OE
X
X
H
H
L
L
L
L
H = HIGH voltage level;
L = LOW voltage level;
X = don’t care;
The data output function may be enabled or disabled by various signals at the OE input. 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.
= LOW-to-HIGH clock transition;
DIR
X
X
X
X
L
L
H
H
Function table
CPAB
X
H or L
X
X
X
H or L
[1]
CPBA
X
H or L
X
H or L
X
X
All information provided in this document is subject to legal disclaimers.
SAB
X
X
X
X
X
X
L
H
Rev. 03 — 15 March 2010
SBA
X
X
X
X
L
H
X
X
Data I/O
An
input
unspecified
output
input
input
output
output
input
input
[2]
Octal bus transceiver/register; 3-state
Bn
unspecified
output
input
input
input
input
input
output
output
[2]
Operating mode
store A, B unspecified
store B, A unspecified
store A and B data
isolation, hold storage
real time B data to A bus
stored B data to A bus
real time A data to B bus
stored A data to B bus
74ABT646A
© NXP B.V. 2010. All rights reserved.
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