74abt853db NXP Semiconductors, 74abt853db Datasheet

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74abt853db

Manufacturer Part Number
74abt853db
Description
8-bit Transceiver With 9-bit Parity Checker/ Generator And Flag Latch 3-state
Manufacturer
NXP Semiconductors
Datasheet

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Company
Part Number
Manufacturer
Quantity
Price
Part Number:
74ABT853DB
Manufacturer:
PHILIPS
Quantity:
9
Part Number:
74ABT853DB
Quantity:
9
FEATURES
DESCRIPTION
The 74ABT853 high-performance BiCMOS device combines low
static and dynamic power dissipation with high speed and high
output drive.
QUICK REFERENCE DATA
ORDERING INFORMATION
PIN CONFIGURATION
Philips Semiconductors
24-Pin Plastic DIP
24-Pin plastic SO
24-Pin Plastic SSOP Type II
24-Pin Plastic TSSOP Type I
1995 Sep 06
Low static and dynamic power dissipation with high speed and
high output drive
Open-collector ERROR output
Output capability: +64mA/–32mA
Latch-up protection exceeds 500mA per Jedec Std 17
ESD protection exceeds 2000 V per MIL STD 883 Method 3015
and 200 V per Machine Model
Power-up 3-State
Live insertion/extraction permitted
8-bit transceiver with 9-bit parity checker/
generator and flag latch (3-State)
SYMBOL
I
t
t
t
t
C
C
PLH
PHL
PLH
PHL
CCZ
I/O
IN
PACKAGES
ERROR
CLEAR
OEA
GND
A0
A1
A2
A3
A4
A5
A6
A7
12
10
11
1
2
3
4
5
6
7
8
9
Propagation delay
An to Bn or Bn to An
Propagation delay
An to PARITY
Input capacitance
I/O capacitance
Total supply current
TOP VIEW
PARAMETER
TEMPERATURE RANGE
24
23
22
20
19
18
17
16
15
14
13
21
V
B0
B1
B2
B3
B4
B5
B6
B7
PARITY
OEB
ENABLE
–40 C to +85 C
–40 C to +85 C
–40 C to +85 C
–40 C to +85 C
CC
SA00262
OUTSIDE NORTH AMERICA
Outputs disabled; V
1
Outputs disabled; V
The 74ABT853 is an octal transceiver with a parity
generator/checker and is intended for bus–oriented applications.
When Output Enable A (OEA) is High, it will place the A outputs in a
high impedance state. Output Enable B (OEB) controls the B
outputs in the same way.
The parity generator creates an odd parity output (PARITY) when
OEB is Low. When OEA is Low, the parity of the B port, including
the PARITY input, is checked for odd parity. When an error is
detected, the error data is sent to the input of a latch. The error data
can then be passed, stored, cleared, or sampled depending on the
ENABLE and CLEAR control signals.
If both OEA and OEB are Low, data will flow from the A bus to the B
bus and the part is forced into an error condition which creates an
inverted PARITY output. This error condition can be used by the
designer for system diagnostics.
LOGIC SYMBOL
74ABT853 PW
T
74ABT853 DB
74ABT853 N
74ABT853 D
amb
C
C
L
L
V
CONDITIONS
= 50pF; V
= 50pF; V
= 25 C; GND = 0V
I
= 0V or V
CC
CC
O
14
11
13
1
CC
= 0V or V
CC
= 5V
= 5V
=5.5V
OEB
OEA
CLEAR
ENABLE
A0 A1 A2 A3 A4 A5 A6 A7
B0 B1 B2 B3
23 22 21 20 19 18 17 16
2
NORTH AMERICA
74ABT853PW DH
CC
3
74ABT853 DB
74ABT853 N
74ABT853 D
4
5
B4 B5 B6 B7
6
TYPICAL
7
3.4
7.4
50
4
7
PARITY
ERROR
8
Product specification
74ABT853
9
DWG NUMBER
853-1672 15702
SOT222-1
SOT137-1
SOT340-1
SOT355-1
15
10
UNIT
ns
ns
pF
pF
SA00263
A

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74abt853db Summary of contents

Page 1

Philips Semiconductors 8-bit transceiver with 9-bit parity checker/ generator and flag latch (3-State) FEATURES Low static and dynamic power dissipation with high speed and high output drive Open-collector ERROR output Output capability: +64mA/–32mA Latch-up protection exceeds 500mA per Jedec Std ...

Page 2

Philips Semiconductors 8-bit transceiver with 9-bit parity checker/ generator and flag latch (3-State) PIN DESCRIPTION SYMBOL A0 – – B7 23, 22, 21, 20, 19, 18, 17, 16 OEA OEB ...

Page 3

Philips Semiconductors 8-bit transceiver with 9-bit parity checker/ generator and flag latch (3-State) LOGIC DIAGRAM 8 A0 – A7 OEB OEA 8 8 ENABLE CLEAR 1, 2 ABSOLUTE MAXIMUM RATINGS SYMBOL PARAMETER V DC supply voltage input ...

Page 4

Philips Semiconductors 8-bit transceiver with 9-bit parity checker/ generator and flag latch (3-State) RECOMMENDED OPERATING CONDITIONS SYMBOL V DC supply voltage CC V Input voltage I V High-level input voltage IH V Low-level input voltage IL I High-level output current ...

Page 5

Philips Semiconductors 8-bit transceiver with 9-bit parity checker/ generator and flag latch (3-State) AC CHARACTERISTICS GND = 0V 2.5ns 50pF 500 SYMBOL PARAMETER t Propagation delay PLH t ...

Page 6

Philips Semiconductors 8-bit transceiver with 9-bit parity checker/ generator and flag latch (3-State) AC WAVEFORMS V = 1.5V GND to 3. INPUT PHL PLH V OUTPUT M Waveform 1. Propagation ...

Page 7

Philips Semiconductors 8-bit transceiver with 9-bit parity checker/ generator and flag latch (3-State) TYPICAL PROPAGATION DELAYS VERSUS LOAD FOR OPEN COLLECTOR OUTPUTS 100 NOTE: When using Open-Collector parts, the ...

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