TI SN74BCT29863BDW

SN54BCT29863B, SN74BCT29863B
9-BIT BUS TRANSCEIVERS
WITH 3-STATE OUTPUTS
SCBS015D – NOVEMBER 1988 – REVISED NOVEMBER 1993
•
•
•
SN54BCT29863B . . . JT OR W PACKAGE
SN74BCT29863B . . . DW OR NT PACKAGE
(TOP VIEW)
BiCMOS Design Substantially Reduces ICCZ
Functionally Equivalent to ′ALS29863 and
AMD Am29863A
Power-Up High-Impedance State
ESD Protection Exceeds 2000 V Per
MIL-STD-883C, Method 3015
Package Options Include Plastic
Small-Outline Packages (DW), Ceramic
Chip Carriers (FK) and Flatpacks (W), and
Standard Plastic and Ceramic 300-mil DIPs
(JT, NT)
OEBA1
A1
A2
A3
A4
A5
A6
A7
A8
A9
OEBA2
GND
description
These 9-bit transceivers are designed for
asynchronous communication between data
buses. The control-function implementation
allows for maximum flexibility in timing.
1
24
2
23
3
22
4
21
5
20
6
19
7
18
8
17
9
16
10
15
11
14
12
13
VCC
B1
B2
B3
B4
B5
B6
B7
B8
B9
OEAB2
OEAB1
SN54BCT29863B . . . FK PACKAGE
(TOP VIEW)
A2
A1
OEBA1
NC
VCC
B1
B2
These devices allow data transmission from the A
bus to the B bus or from the B bus to the A bus,
depending upon the logic levels at the
output-enable (OEBA and OEAB) inputs.
A3
A4
A5
NC
A6
A7
A8
The outputs are in the high-impedance state
during power-up and power-down conditions. The
outputs remain in the high-impedance state while
the device is powered down.
3 2 1 28 27 26
25
6
24
7
23
8
22
9
21
10
20
11
19
12 13 14 15 16 17 18
A9
The SN54BCT29863B is characterized for
operation over the full military temperature range
of – 55°C to 125°C. The SN74BCT29863B is
characterized for operation from 0°C to 70°C.
4
5
B3
B4
B5
NC
B6
B7
B8
OEBA2
GND
NC
OEAB1
OEAB2
B9
•
•
NC – No internal connection
FUNCTION TABLE
INPUTS
OEAB1
OEAB2
OEBA1
OEBA2
L
L
L
L
L
L
H
X
L
L
X
H
H
X
L
L
X
H
L
L
H
X
H
X
H
X
X
H
X
H
X
H
X
H
H
X
OPERATION
Latch A and B
A to B
B to A
Isolation
Copyright  1993, Texas Instruments Incorporated
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
POST OFFICE BOX 655303
• DALLAS, TEXAS 75265
2–1
SN54BCT29863B, SN74BCT29863B
9-BIT BUS TRANSCEIVERS
WITH 3-STATE OUTPUTS
SCBS015D – NOVEMBER 1988 – REVISED NOVEMBER 1993
logic symbol†
OEBA1
OEBA2
OEAB1
OEAB2
A1
1
logic diagram (positive logic)
&
11
13
EN1
&
14
2
OEAB1
OEAB2
A1
EN2
23
1
13
1
14
11
2
23
OEBA1
OEBA2
B1
B1
2
A2
A3
A4
A5
A6
A7
A8
A9
3
22
4
21
5
20
6
19
7
18
8
17
9
16
10
15
B2
To Eight Other Channels
B3
B4
B5
B6
B7
B8
B9
† This symbol is in accordance with ANSI/IEEE Std 91-1984
and IEC Publication 617-12.
Pin numbers shown are for the DW, JT, NT, and W packages.
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)‡
Supply voltage range, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . – 0.5 V to 7 V
Input voltage range (I/O ports) (see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . – 0.5 V to 5.5 V
Input voltage range (excluding I/O ports) (see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . – 0.5 V to 7 V
Voltage range applied to any output in the high state . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . – 0.5 V to VCC
Input clamp current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . – 30 mA
Current into any output in the low state: SN54BCT29863B . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48 mA
SN74BCT29863B . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96 mA
Operating free-air temperature range: SN54BCT29863B . . . . . . . . . . . . . . . . . . . . . . . . . . . . . – 55°C to 125°C
SN74BCT29863B . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0°C to 70°C
Storage temperature range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . – 65°C to 150°C
‡ Stresses beyond those listed under “absolute maximum ratings” 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.
NOTE 1: The negative input voltage ratings may be exceeded if the input current rating is observed.
2–2
POST OFFICE BOX 655303
• DALLAS, TEXAS 75265
SN54BCT29863B, SN74BCT29863B
9-BIT BUS TRANSCEIVERS
WITH 3-STATE OUTPUTS
SCBS015D – NOVEMBER 1988 – REVISED NOVEMBER 1993
recommended operating conditions
SN54BCT29863B
SN74BCT29863B
MIN
NOM
MAX
MIN
NOM
MAX
4.5
5
5.5
4.5
5
5.5
UNIT
VCC
VIH
Supply voltage
VIL
IIK
Low-level input voltage
0.8
0.8
Input clamp current
– 18
– 18
mA
IOH
IOL
High-level output current
– 15
– 24
mA
48
mA
TA
Operating free-air temperature
70
°C
High-level input voltage
2
2
Low-level output current
V
24
– 55
125
V
0
V
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
VIK
TEST CONDITIONS
VCC = 4.5 V,
VCC = 4
4.5
5V
VOH
VCC = 4.75 V,
VOL
II
II = – 18 mA
IOH = – 15 mA
SN54BCT29863B
TYP†
MAX
MIN
– 1.2
2.4
3.3
IOH = – 24 mA
IOH = – 3 mA
VCC = 4
4.5
5V
IOL = 24 mA
IOL = 48 mA
VCC = 5.5 V,
VI = 5.5 V
IIH
Control inputs
A or B port‡
VCC = 5
5.5
5V
V,
VI = 2
2.7
7V
IIL
Control inputs
A or B port‡
5V
VCC = 5
5.5
V,
5V
VI = 0
0.5
IIO(off)§
IOS¶
VCC = 0,
VCC = 5.5 V,
VO = 2.7 V
VO = 0
ICC
VCC = 5.5 V
SN74BCT29863B
TYP†
MAX
MIN
– 1.2
2.4
3.3
2
3.1
V
V
2.7
0.35
0.5
0.35
0.1
0.1
20
20
20
20
– 0.2
– 0.2
– 0.2
– 0.2
0.1
– 75
0.5
– 250
– 75
mA
mA
30
18
30
30
45
30
45
Outputs disabled
6.5
12
6.5
12
• DALLAS, TEXAS 75265
µA
mA
18
VCC = 5 V,
VI = 2.5 V or 0.5 V
6
Cio
VCC = 5 V,
VI = 2.5 V or 0.5 V
8
† All typical values are at VCC = 5 V, TA = 25°C.
‡ For I/O ports, the parameters IIH and IIL include the off-state output current.
§ IO(off) = Power-off bus-leakage current
¶ Not more than one output should be shorted at a time and duration of the short circuit should not exceed one second.
mA
0.1
Outputs low
Ci
V
– 250
Outputs high
POST OFFICE BOX 655303
UNIT
mA
6
pF
8
pF
2–3
SN54BCT29863B, SN74BCT29863B
9-BIT BUS TRANSCEIVERS
WITH 3-STATE OUTPUTS
SCBS015D – NOVEMBER 1988 – REVISED NOVEMBER 1993
switching characteristics (see Note 2)
PARAMETER
FROM
(INPUT)
VCC = 5 V,
CL = 50 pF,
R1 = 500 Ω,
R2 = 500 Ω,
TA = 25°C
TO
(OUTPUT)
VCC = 4.5 V to 5.5 V,
CL = 50 pF,
R1 = 500 Ω,
R2 = 500 Ω,
TA = MIN to MAX†
′BCT29863B
tPLH
tPHL
A or B
B or A
tPZH
tPZL
OEAB or OEBA
A or B
tPHZ
tPLZ
OEAB or OEBA
A or B
SN54BCT29863B SN74BCT29863B
MIN
TYP
MAX
MIN
MAX
MIN
1
3
4.5
1
5.4
1
5
2
4.8
6.8
2
7.9
2
7.5
MAX
2
5.1
7
2
9.2
2
8.4
4.5
8.4
10.8
4.5
13.6
4.5
12.6
2
5
7.2
2
9.6
2
8.8
1.7
4.7
6.7
1.7
9.1
1.7
8.1
† For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions.
NOTE 2: Load circuits and voltage waveforms are shown in Section 1.
2–4
UNIT
POST OFFICE BOX 655303
• DALLAS, TEXAS 75265
ns
ns
ns
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Copyright  1998, Texas Instruments Incorporated