SCBS478 − MAY 1993 − REVISED NOVEMBER 1993
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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)
High-Impedance State During Power Up
and Power Down
3-State 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 and Standard
Plastic 300-mil DIPs (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
description
This 10-bit buffer/driver provides high-performance bus interface for wide data paths or buses carrying parity.
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.
The SN64BCT29828B is characterized for operation from − 40°C to 85°C and 0°C to 70°C.
FUNCTION TABLE
INPUTS
A
OUTPUT
Y
L
L
H
L
H
L
H
X
X
Z
X
H
X
Z
OE1
OE2
L
L
Copyright 1993, Texas Instruments Incorporated
!"#$%! & '("")% $& ! *(+,'$%! -$%).
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• DALLAS, TEXAS 75265
• HOUSTON, TEXAS 77251−1443
POST OFFICE BOX 655303
POST OFFICE BOX 1443
3−1
SCBS478 − MAY 1993 − REVISED NOVEMBER 1993
logic symbol†
1
OE1
OE2
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
logic diagram (positive logic)
OE1
&
2
3
OE2
EN
13
1
23
22
4
21
5
20
6
19
7
18
8
17
9
16
10
15
11
14
A1
1
13
2
23
Y1
Y1
Y2
Y3
To Nine Other Channels
Y4
Y5
Y6
Y7
Y8
Y9
Y10
† This symbol is in accordance with ANSI/IEEE Std 91-1984
and IEC Publication 617-12.
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 5.5 V
Input clamp current, IIK (VI < 0) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −30 mA
Current into any output in the low state, IO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96 mA
Operating free-air temperature range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −40°C to 85°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 (see Note 2)
VCC
VIH
Supply voltage
VIL
IIK
Low-level input voltage
IOH
IOL
High-level input voltage
NOM
MAX
4.5
5
5.5
2
UNIT
V
V
0.8
V
Input clamp current
−18
mA
High-level output current
−24
mA
48
mA
85
°C
Low-level output current
TA
Operating free-air temperature
NOTE 2: Unused or floating inputs must be held high or low.
3−2
MIN
−40
•
POST OFFICE BOX 655303 DALLAS, TEXAS 75265
POST OFFICE BOX 1443 HOUSTON, TEXAS 77251−1443
•
SCBS478 − MAY 1993 − REVISED NOVEMBER 1993
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
VIK
VOH
VOL
TEST CONDITIONS
VCC = 4.5 V,
MIN
II = − 18 mA
IOH = − 15 mA
VCC = 4.5 V
IOH = − 24 mA
IOH = − 3 mA
VCC = 4.75 V,
VCC = 4.5 V,
TYP†
2.4
3.3
2
3.1
MAX
UNIT
−1.2
V
V
2.7
IOL = 48 mA
0.42
IOZ
VCC = 0 to 2.3 V (power up)
VCC = 1.8 V to 0 (power down)
VO = 2.7 V or 0.5 V,
IOZH
IOZL
VCC = 5.5 V,
VCC = 5.5 V,
VO = 2.7 V
VO = 0.5 V
II
IIH
VCC = 5.5 V,
VCC = 5.5 V,
IIL
IOS‡
0.5
± 50
OE at 0.8 V
± 50
V
µA
A
20
µA
−20
µA
VI = 7 V
VI = 2.7 V
0.1
mA
20
µA
VCC = 5.5 V,
VCC = 5.5 V,
VI = 0.5 V
VO = 0
−0.2
mA
ICCL
ICCH
VCC = 5.5 V,
VCC = 5.5 V,
Outputs open
ICCZ
Ci
VCC = 5.5 V,
VCC = 5 V,
−75
−250
mA
28
40
mA
Outputs open
15
25
mA
Outputs open
3.5
6
mA
VI = 2.5 V to 0.5 V
VO = 2.5 V to 0.5 V
4.5
pF
7
pF
Co
VCC = 5 V,
† 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 range of supply voltage, CL = 50 pF (unless
otherwise noted) (see Note 3)
FROM
(INPUT)
TO
(OUTPUT)
tPLH
tPHL
A
Y
tPZH
tPZL
OE
Y
tPHZ
tPLZ
OE
Y
PARAMETER
VCC = 5 V,
TA = 25°C
TA = − 40°C
to 85°C
TA = 0°C
to 70°C
MIN
TYP
MAX
MIN
MAX
MIN
MAX
1
3.3
5.2
1
6.3
1
5.9
1
5.1
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 3: 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
•
3−3
SCBS478 − MAY 1993 − REVISED NOVEMBER 1993
3−4
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POST OFFICE BOX 655303 DALLAS, TEXAS 75265
POST OFFICE BOX 1443 HOUSTON, TEXAS 77251−1443
•
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