SCBS080B − DECEMBER 1990 − REVISED NOVEMBER 1993
•
•
•
•
•
SN54BCT29828B . . . JT OR W PACKAGE
SN74BCT29828B . . . DW OR NT PACKAGE
(TOP VIEW)
State-of-the-Art BiCMOS Design
Significantly Reduces ICCZ
ESD Protection Exceeds 2000 V Per
MIL-STD-883C, Method 3015; Exceeds
200 V Using Machine Model (C = 200 pF,
R = 0)
3-State Inverting Outputs Drive Bus Lines or
Buffer Memory Address Registers
P-N-P Inputs Reduce dc Loading
Flow-Through Architecture Optimizes
PCB Layout
Package Options Include Plastic
Small-Outline (DW) Packages, Ceramic Chip
Carriers (FK) and Flatpacks (W), and
Standard Plastic and Ceramic 300-mil DIPs
(JT, NT)
OE1
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
GND
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
Y1
Y2
Y3
Y4
Y5
Y6
Y7
Y8
Y9
Y10
OE2
SN54BCT29828B . . . FK PACKAGE
(TOP VIEW)
A2
A1
OE1
NC
VCC
description
These 10-bit buffers and bus drivers provide
high-performance bus interface for wide data
paths or buses carrying parity.
A3
A4
A5
NC
A6
A7
A8
4
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
Y3
Y4
Y5
NC
Y6
Y7
Y8
A9
A10
GND
NC
OE2
Y10
Y9
The 3-state control gate is a 2-input AND gate with
active-low inputs so that if either output-enable
(OE1 or OE2) input is high, all ten outputs are in
the high-impedance state. The outputs are also 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.
5
Y1
Y2
•
The SN54BCT29828B is characterized for
operation over the full military temperature range
of − 55°C to 125°C. The SN74BCT29828B is
characterized for operation from 0°C to 70°C.
NC − No internal connection
FUNCTION TABLE
INPUTS
OE1
OE2
A
OUTPUT
Y
L
L
L
H
L
L
H
L
H
X
X
Z
X
H
X
Z
Copyright 1993, Texas Instruments Incorporated
!"#$%&'#! ( )*$$+!' &( #" ,*-.)&'#! /&'+0
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• DALLAS, TEXAS 75265
• HOUSTON, TEXAS 77251−1443
POST OFFICE BOX 655303
POST OFFICE BOX 1443
1
SCBS080B − DECEMBER 1990 − REVISED NOVEMBER 1993
logic symbol†
1
logic diagram (positive logic)
&
OE1
OE1
OE2
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
2
OE2
EN
13
23
1
3
22
4
21
5
20
6
19
7
18
8
17
9
16
10
15
11
14
A1
1
13
23
2
Y1
Y1
Y2
Y3
Y4
To Nine Other Channels
Y5
Y6
Y7
Y8
Y9
Y10
† 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, VI (see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −0.5 V to 7 V
Voltage range applied to any output in the disabled or power-off state, VO . . . . . . . . . . . . . . . . −0.5 V to 5.5 V
Voltage range applied to any output in the high state, VO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −0.5 V to VCC
Input clamp current, IIK (VI < 0) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −30 mA
Current into any output in the low state, IO: SN54BCT29828B . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48 mA
SN74BCT29828B . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96 mA
Operating free-air temperature range:
SN54BCT29828B . . . . . . . . . . . . . . . . . . . . . . . . . −55°C to 125°C
SN74BCT29828B . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 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 input and output negative-voltage ratings may be exceeded if the input and output clamp-current ratings are observed.
recommended operating conditions
SN54BCT29828B
SN74BCT29828B
MIN
NOM
MAX
MIN
NOM
MAX
4.5
5
5.5
4.5
5
5.5
VCC
VIH
Supply voltage
VIL
IIK
Low-level input voltage
0.8
Input clamp current
IOH
IOL
High-level output current
TA
Operating free-air temperature
2
High-level input voltage
2
Low-level output current
2
•
POST OFFICE BOX 655303 DALLAS, TEXAS 75265
POST OFFICE BOX 1443 HOUSTON, TEXAS 77251−1443
•
V
V
0.8
V
−18
−18
mA
−15
−24
mA
48
mA
70
°C
24
−55
UNIT
125
0
SCBS080B − DECEMBER 1990 − REVISED NOVEMBER 1993
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
VIK
VOH
SN54BCT29828B
TYP†
MAX
TEST CONDITIONS
VCC = 4.5 V,
VCC = 4.5 V
VCC = 4.75 V,
SN74BCT29828B
TYP†
MAX
MIN
II = −18 mA
IOH = − 15 mA
MIN
−1.2
2
−1.2
3.2
IOH = − 24 mA
IOH = − 3 mA
2.4
3.3
2
3.1
UNIT
V
V
2.7
VOL
VCC = 4.5 V
IOL = 24 mA
IOL = 48 mA
II
IIH
VCC = 5.5 V,
VCC = 5.5 V,
VI = 7 V
VI = 2.7 V
IIL
IOS‡
VCC = 5.5 V,
VCC = 5.5 V,
VI = 0.5 V
VO = 0
IOZH
IOZL
VCC = 5.5 V,
VCC = 5.5 V,
VO = 2.7 V
VO = 0.5 V
ICCL
ICCH
VCC = 5.5 V,
VCC = 5.5 V,
Outputs open
Outputs open
ICCZ
Ci
VCC = 5.5 V,
VCC = 5 V,
Outputs open
VI = 2.5 V or 0.5 V
VO = 2.5 V or 0.5 V
4.5
4.5
pF
7
pF
0.38
0.55
0.42
V
0.1
0.1
mA
20
20
µA
−0.2
−75
0.5
−250
−75
20
−0.2
mA
−250
mA
20
µA
−20
µA
28
40
mA
15
15
25
mA
3.5
3.5
6
mA
−20
28
Co
VCC = 5 V,
7
† All typical values are at VCC = 5 V, TA = 25°C.
‡ Not more than one output should be tested at a time, and the duration of the test should not exceed one second.
switching characteristics over recommended ranges of supply voltage and operating free-air
temperature, CL = 50 pF (unless otherwise noted) (see Note 2)
FROM
(INPUT)
TO
(OUTPUT)
tPLH
tPHL
A
Y
tPZH
tPZL
OE
Y
tPHZ
tPLZ
OE
Y
PARAMETER
VCC = 5 V,
TA = 25°C
SN54BCT29828B
SN74BCT29828B
MIN
TYP
MAX
MIN
MAX
MIN
MAX
1
3.3
5.2
1
6.3
1
5.9
1
2.7
4.2
1
4.9
1
4.5
2
5.3
7.7
2
9.2
2
8.6
2
8.5
10.2
2
12.7
2
11.9
2
5.4
7.6
2
9.4
2
8.7
2
5.1
6.8
2
9
2
8.1
UNIT
ns
ns
ns
NOTE 2: Load circuits and voltage waveforms are shown in Section 1.
•
POST OFFICE BOX 655303 DALLAS, TEXAS 75265
POST OFFICE BOX 1443 HOUSTON, TEXAS 77251−1443
•
3
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