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Philips
Semiconductors
74ABT861
10-bit bus transceiver (3-State)
Product specification
Supersedes data of 1995 Sep 06
1998 Jan 16
INTEGRATED CIRCUITS
IC23 Data Handbook
Philips Semiconductors
Product specification
74ABT861
10-bit bus transceiver (3-State)
2
1998 Jan 16
853-1621 18866
FEATURES
Provides high performance bus interface buffering for wide
data/address paths or buses carrying parity
Buffered control inputs for light loading, or increased fan-in as
required with MOS microprocessors
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
Inputs are disabled during 3-State mode
DESCRIPTION
The 74ABT861 bus transceiver provides high performance bus
interface buffering for wide data/address paths of buses carrying
parity.
The 74ABT861 10-bit bus transceiver has NOR-ed transmit and
receive output enables for maximum control flexibility.
QUICK REFERENCE DATA
SYMBOL
PARAMETER
CONDITIONS
T
amb
= 25
C; GND = 0V
TYPICAL
UNIT
t
PLH
t
PHL
Propagation delay
An to Bn or Bn to An
C
L
= 50pF; V
CC
= 5V
3.4
ns
C
IN
Input capacitance
V
I
= 0V or V
CC
4
pF
C
I/O
I/O capacitance
Outputs disabled; V
O
= 0V or V
CC
7
pF
I
CCZ
Total supply current
Outputs disabled; V
CC
=5.5V
500
nA
ORDERING INFORMATION
PACKAGES
TEMPERATURE RANGE
OUTSIDE NORTH AMERICA
NORTH AMERICA
DWG NUMBER
24-Pin Plastic DIP
40
C to +85
C
74ABT861 N
74ABT861 N
SOT222-1
24-Pin plastic SO
40
C to +85
C
74ABT861 D
74ABT861 D
SOT137-1
24-Pin Plastic SSOP Type II
40
C to +85
C
74ABT861 DB
74ABT861 DB
SOT340-1
24-Pin Plastic TSSOP Type I
40
C to +85
C
74ABT861 PW
74ABT861PW DH
SOT355-1
PIN CONFIGURATION
1
2
3
4
5
6
7
8
9
10
15
16
17
18
19
20
21
22
23
24
OEBA
A0
A1
A2
A3
A4
A5
A6
A7
B7
A8
B6
B5
B4
B3
B2
B1
B0
V
CC
B8
11
14
A9
B9
12
13
GND
OEAB
TOP VIEW
SA00278
PIN DESCRIPTION
PIN NUMBER
SYMBOL
FUNCTION
13
OEAB
A side to B side output enable
input (active-Low)
2, 3, 4, 5, 6,
7, 8, 9, 10, 11
A0-A9
Data inputs/outputs (A side)
23, 22, 21, 20, 19,
18, 17, 16, 15, 14
B0-B9
Data inputs/outputs (B side)
1
OEBA
B side to A side output enable
input (active-Low)
12
GND
Ground (0V)
24
V
CC
Positive supply voltage
Philips Semiconductors
Product specification
74ABT861
10-bit bus transceiver (3-State)
1998 Jan 16
3
LOGIC SYMBOL
2
3
4
5
6
7
8
9
A0 A1 A2 A3 A4 A5 A6
A7
B0 B1 B2 B3 B4 B5 B6
B7
23
22 21
20
19
18 17
16
1
13
OEBA
OEAB
10
11
A8 A9
B8 B9
15
14
SA00279
LOGIC SYMBOL (IEEE/IEC)
1
2
23
3
22
4
21
5
20
6
19
7
18
8
17
9
16
13
1
10
15
11
14
EN1(BA)
EN2(AB)
2
SA00280
LOGIC DIAGRAM
An
Bn
10
10
OEAB
OEBA
SA00281
FUNCTION TABLE
INPUTS
OPERATING
OEAB
OEBA
MODE
L
H
A data to B bus
H
L
B data to A bus
H
H
Z
H = High voltage level
L
= Low voltage level
X = Don't care
Z = High impedance "off" state
ABSOLUTE MAXIMUM RATINGS
1, 2
SYMBOL
PARAMETER
CONDITIONS
RATING
UNIT
V
CC
DC supply voltage
0.5 to +7.0
V
I
IK
DC input diode current
V
I
< 0
18
mA
V
I
DC input voltage
3
1.2 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 +5.5
V
I
OUT
DC output current
output in Low state
128
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 voltage ratings may be exceeded if the input and output current ratings are observed.
Philips Semiconductors
Product specification
74ABT861
10-bit bus transceiver (3-State)
1998 Jan 16
4
RECOMMENDED OPERATING CONDITIONS
SYMBOL
PARAMETER
LIMITS
UNIT
Min
Max
V
CC
DC supply voltage
4.5
5.5
V
V
I
Input voltage
0
V
CC
V
V
IH
High-level input voltage
2.0
V
V
IL
Low-level input voltage
0.8
V
I
OH
High-level output current
32
mA
I
OL
Low-level output current
64
mA
t/
v
Input transition rise or fall rate
0
5
ns/V
T
amb
Operating free-air temperature range
40
+85
C
DC ELECTRICAL CHARACTERISTICS
LIMITS
SYMBOL
PARAMETER
TEST CONDITIONS
T
amb
= +25
C
T
amb
= 40
C
to +85
C
UNIT
Min
Typ
Max
Min
Max
V
IK
Input clamp voltage
V
CC
= 4.5V; I
IK
= 18mA
0.9
1.2
1.2
V
V
CC
= 4.5V; I
OH
= 3mA; V
I
= V
IL
or V
IH
2.5
3.5
2.5
V
V
OH
Highlevel output voltage
V
CC
= 5.0V; I
OH
= 3mA; V
I
= V
IL
or V
IH
3.0
4.0
3.0
V
V
CC
= 4.5V; I
OH
= 32mA; V
I
= V
IL
or V
IH
2.0
2.6
2.0
V
V
OL
Lowlevel output voltage
V
CC
= 4.5V; I
OL
= 64mA; V
I
= V
IL
or V
IH
0.42
0.55
0.55
V
I
I
Input leakage
Control pins
V
CC
= 5.5V; V
I
= GND or 5.5V
0.01
1.0
1.0
A
current
Data pins
V
CC
= 5.5V; V
I
= GND or 5.5V
5.0
100
100
A
I
OFF
Power-off leakage current
V
CC
= 0.0V; V
O
or V
I
4.5V
5.0
100
100
A
I
PU/PD
Powerup/down 3-State
output current
3
V
CC
= 2.1V; V
O
= 0.5V; V
I
= GND or V
CC
;
V
OE
= V
CC
5.0
50
50
A
I
IH
+ I
OZH
3-State output High current
V
CC
= 5.5V; V
O
= 2.7V; V
I
= V
IL
or V
IH
5.0
50
50
A
I
IL
+ I
OZL
3-State output Low current
V
CC
= 5.5V; V
O
= 0.5V; V
I
= V
IL
or V
IH
5.0
50
50
A
I
CEX
Output high leakage current
V
CC
= 5.5V; V
O
= 5.5V; V
I
= GND or V
CC
5.0
50
50
A
I
O
Output current
1
V
CC
= 5.5V; V
O
= 2.5V
50
100
180
50
180
mA
I
CCH
V
CC
= 5.5V; Outputs High, V
I
= GND or V
CC
0.5
250
250
A
I
CCL
Quiescent supply current
V
CC
= 5.5V; Outputs Low, V
I
= GND or V
CC
25
38
38
mA
I
CCZ
V
CC
= 5.5V; Outputs 3-State;
V
I
= GND or V
CC
0.5
50
50
A
Outputs enabled, one input at 3.4V,
other inputs at V
CC
or GND; V
CC
= 5.5V
0.5
1.5
1.5
mA
I
CC
Additional supply current per
input pin
2
Outputs 3-State, one data input at 3.4V,
other inputs at V
CC
or GND; V
CC
= 5.5V
0.01
50
50
A
Outputs 3-State, one enable input at 3.4V,
other inputs at V
CC
or GND; V
CC
= 5.5V
0.5
1.5
1.5
mA
NOTES:
1. Not more than one output should be tested at a time, and the duration of the test should not exceed one second.
2. This is the increase in supply current for each input at 3.4V.
3. This parameter is valid for any V
CC
between 0V and 2.1V with a transition time of up to 10msec. For V
CC
= 2.1V to V
CC
= 5V
"
10%, a
transition time of up to 100
sec is permitted.
Philips Semiconductors
Product specification
74ABT861
10-bit bus transceiver (3-State)
1998 Jan 16
5
AC CHARACTERISTICS
GND = 0V, t
R
= t
F
= 2.5ns, C
L
= 50pF, R
L
= 500
LIMITS
SYMBOL
PARAMETER
WAVEFORM
T
amb
= +25
o
C
V
CC
= +5.0V
T
amb
= -40 to
+85
o
C
V
CC
= +5.0V
0.5V
UNIT
Min
Typ
Max
Min
Max
t
PLH
t
PHL
Propagation delay
An to Bn or Bn to An
1
1.1
1.0
3.4
3.2
4.9
4.9
1.1
1.0
5.2
5.2
ns
t
PZH
t
PZL
Output enable time
to High and Low level
2
1.2
2.4
3.5
4.6
5.0
6.0
1.2
2.4
5.9
6.9
ns
t
PHZ
t
PLZ
Output disable time
from High and Low level
2
3.1
3.7
5.3
5.3
6.5
6.6
3.1
3.7
7.5
7.1
ns
AC WAVEFORMS
V
M
= 1.5V, V
IN
= GND to 3.0V
INPUT
VM
VM
OUTPUT
VM
VM
tPLH
tPHL
SA00023
Waveform 1. Input to Output Propagation Delays
OEXX
INPUT
VM
VM
tPZH
tPHZ
OUTPUT
VOH
VM
VM
OUTPUT
VOL
tPZL
tPLZ
3.5V
0V
VOL + 0.3V
VOH 0.3V
SA00282
Waveform 2. 3-State Output Enable and Disable Times
TEST CIRCUIT AND WAVEFORM
C
L
= 50 pF
500
Load Circuit
DEFINITIONS
C
L
=
Load capacitance includes jig and probe capacitance;
see AC CHARACTERISTICS for value.
TEST
S1
t
pd
open
t
PLZ
/t
PZL
7 V
t
PHZ
/t
PZH
open
SA00012
500
From Output
Under Test
S1
7 V
Open
GND
Philips Semiconductors
Product specification
74ABT861
10-bit bus transceiver (3-State)
1998 Jan 16
6
DIP24:
plastic dual in-line package; 24 leads (300 mil)
SOT222-1
Philips Semiconductors
Product specification
74ABT861
10-bit bus transceiver (3-State)
1998 Jan 16
7
SO24:
plastic small outline package; 24 leads; body width 7.5 mm
SOT137-1
Philips Semiconductors
Product specification
74ABT861
10-bit bus transceiver (3-State)
1998 Jan 16
8
SSOP24:
plastic shrink small outline package; 24 leads; body width 5.3 mm
SOT340-1
Philips Semiconductors
Product specification
74ABT861
10-bit bus transceiver (3-State)
1998 Jan 16
9
TSSOP24:
plastic thin shrink small outline package; 24 leads; body width 4.4 mm
SOT355-1
Philips Semiconductors
Product specification
74ABT861
10-bit bus transceiver (3-State)
yyyy mmm dd
10
Definitions
Short-form specification -- The data in a short-form specification is extracted from a full data sheet with the same type number and title. For
detailed information see the relevant data sheet or data handbook.
Limiting values definition -- Limiting values given are in accordance with the Absolute Maximum Rating System (IEC 134). Stress above one
or more of the limiting values may cause permanent damage to the device. These are stress ratings only and operation of the device at these or
at any other conditions above those given in the Characteristics sections of the specification is not implied. Exposure to limiting values for extended
periods may affect device reliability.
Application information -- Applications that are described herein for any of these products are for illustrative purposes only. Philips
Semiconductors make no representation or warranty that such applications will be suitable for the specified use without further testing or
modification.
Disclaimers
Life support -- These products are not designed for use in life support appliances, devices or systems where malfunction of these products can
reasonably be expected to result in personal injury. Philips Semiconductors customers using or selling these products for use in such applications
do so at their own risk and agree to fully indemnify Philips Semiconductors for any damages resulting from such application.
Right to make changes -- Philips Semiconductors reserves the right to make changes, without notice, in the products, including circuits, standard
cells, and/or software, described or contained herein in order to improve design and/or performance. Philips Semiconductors assumes no
responsibility or liability for the use of any of these products, conveys no license or title under any patent, copyright, or mask work right to these
products, and makes no representations or warranties that these products are free from patent, copyright, or mask work right infringement, unless
otherwise specified.
Philips Semiconductors
811 East Arques Avenue
P.O. Box 3409
Sunnyvale, California 940883409
Telephone 800-234-7381
Copyright Philips Electronics North America Corporation 1998
All rights reserved. Printed in U.S.A.
print code
Date of release: 05-96
Document order number:
9397-750-03476
Philips
Semiconductors
Data sheet
status
Objective
specification
Preliminary
specification
Product
specification
Product
status
Development
Qualification
Production
Definition
[1]
This data sheet contains the design target or goal specifications for product development.
Specification may change in any manner without notice.
This data sheet contains preliminary data, and supplementary data will be published at a later date.
Philips Semiconductors reserves the right to make chages at any time without notice in order to
improve design and supply the best possible product.
This data sheet contains final specifications. Philips Semiconductors reserves the right to make
changes at any time without notice in order to improve design and supply the best possible product.
Data sheet status
[1]
Please consult the most recently issued datasheet before initiating or completing a design.