74ABT899A,602 NXP Semiconductors, 74ABT899A,602 Datasheet - Page 4
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74ABT899A,602
Manufacturer Part Number
74ABT899A,602
Description
IC 9BIT DUAL LATCH TXRX 28PLCC
Manufacturer
NXP Semiconductors
Series
74ABTr
Datasheet
1.74ABT899A602.pdf
(16 pages)
Specifications of 74ABT899A,602
Logic Type
Parity Generator/Checker
Number Of Circuits
9-Bit
Current - Output High, Low
32mA, 64mA
Voltage - Supply
4.5 V ~ 5.5 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
28-PLCC
Number Of Elements
1
Number Of Bits Per Element
9
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
74ABT899A
74ABT899A
935057630602
74ABT899A
935057630602
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
74ABT899A,602
Manufacturer:
NXP Semiconductors
Quantity:
10 000
Philips Semiconductors
FUNCTION TABLE
H = High voltage level
L = Low voltage level
X = Don’t care
1998 Jan 16
OEB
EVEN
APAR
ODD/
OEA
9-bit dual latch transceiver with 8-bit parity
generator/checker (3-State)
H
H
H
H
H
H
LEA
SEL
L
L
L
L
L
L
A0
A1
A2
A3
A4
A5
A6
A7
10
12
13
16
11
OEA
3
4
5
6
7
8
9
1
H
H
H
H
H
H
L
L
L
L
L
L
INPUTS
SEL
H
H
H
H
X
L
L
L
L
L
L
X
LEA
X
H
X
X
H
H
H
H
H
X
L
L
LEB
LE
H
H
H
H
H
H
X
L
X
X
L
X
Transparent
OE
Latch
Output
9–bit
Buffer
9–bit
3-State A bus and B bus (input A & B simultaneously)
B
B
B
B
B
A
A
A
A
A
Output to A bus and B bus (NOT ALLOWED)
A, transparent B latch, generate parity from B0 - B7, check B bus parity
A, transparent A & B latch, generate parity from B0 - B7, check A & B bus parity
A, B bus latched, generate parity from latched B0 - B7 data, check B bus parity
A, transparent B latch, parity feed-through, check B bus parity
A, transparent A & B latch, parity feed-through, check A & B bus parity
B, transparent A latch, generate parity from A0 - A7, check A bus parity
B, transparent A & B latch, generate parity from A0 - A7, check A & B bus parity
B, A bus latched, generate parity from latched A0 - A7 data, check A bus parity
B, transparent A latch, parity feed-through, check A bus parity
B, transparent A & B latch, parity feed-through, check A & B bus parity
Generator
Parity
mux
1
0
4
Generator
Parity
OPERATING MODE
1
0
mux
Transparent
Latch
9–bit
Output
Buffer
9–bit
OE
LE
74ABT899
Product specification
27
26
25
24
23
22
21
20
19
18
17
15
2
SA00292
B0
B1
B2
B3
B4
B5
B6
B7
BPAR
ERRA
ERRB
OEB
LEB