SN74F573N-10 [TI]
F/FAST SERIES, 8-BIT DRIVER, TRUE OUTPUT, PDIP20;
| 型号： | SN74F573N-10 |
| 厂家： | 
TEXAS INSTRUMENTS |
| 描述： | F/FAST SERIES, 8-BIT DRIVER, TRUE OUTPUT, PDIP20 驱动 光电二极管 输出元件 逻辑集成电路 |
| 文件： | 总5页 (文件大小：79K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
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SDFS011A − MARCH 1987 − REVISED OCTOBER 1993
SN54F573 . . . J PACKAGE
SN74F573 . . . DW OR N PACKAGE
(TOP VIEW)
• Eight Latches in a Single Package
• 3-State Bus-Driving True Outputs
• Full Parallel Access for Loading
• Buffered Control Inputs
OE
1D
2D
3D
4D
5D
6D
7D
8D
V
CC
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
1Q
2Q
3Q
4Q
5Q
6Q
• Package Options Include Plastic
Small-Outline Packages, Ceramic Chip
Carriers, and Standard Plastic and Ceramic
300-mil DIPs
description
13 7Q
12 8Q
These 8-bit latches feature 3-state outputs
designed specifically for driving highly capacitive
or relatively low-impedance loads. They are
particularly suitable for implementing buffer
registers, I/O ports, bidirectional bus drivers, and
working registers.
11
GND
LE
SN54F573 . . . FK PACKAGE
(TOP VIEW)
The eight latches of the ′F573 are transparent
D-type latches. While the latch enable (LE) input
is high, the Q outputs follow the data (D) inputs.
When the latch enable is taken low, the Q outputs
are latched at the logic levels set up at the D
inputs.
3
2
1
20 19
18
4
5
6
7
8
3D
4D
5D
6D
7D
2Q
3Q
4Q
5Q
6Q
17
16
15
14
A buffered output enable (OE) input can be used
to place the eight outputs in either a normal logic
state (high or low logic levels) or a high-
impedance state. In the high-impedance state, the
outputs neither load nor drive the bus lines
significantly. The high-impedance state and
increased drive provide the capability to drive bus
lines without need for interface or pullup
components.
9 10 11 12 13
The output enable (OE) input does not affect the internal operations of the latches. Old data can be retained
or new data can be entered while the outputs are in the high-impedance state.
The SN54F573 is characterized for operation over the full military temperature range of −55°C to 125°C. The
SN74F573 is characterized for operation from 0°C to 70°C.
FUNCTION TABLE
(each latch)
INPUTS
OUTPUT
Q
OE
L
LE
H
H
L
D
H
L
H
L
L
L
X
X
Q
0
H
X
Z
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Copyright 1993, Texas Instruments Incorporated
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2−1
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
POST OFFICE BOX 1443 • HOUSTON, TEXAS 77251−1443
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SDFS011A − MARCH 1987 − REVISED OCTOBER 1993
†
logic symbol
logic diagram (positive logic)
1
1
EN
C1
OE
LE
OE
11
11
LE
2
3
4
5
6
7
8
9
19
1D
2D
3D
4D
5D
6D
7D
8D
1D
1Q
2Q
3Q
4Q
5Q
6Q
7Q
8Q
18
17
16
15
14
13
12
C1
19
1Q
2
1D
1D
To Seven Other Channels
†
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, V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −0.5 V to 7 V
CC
Input voltage range, V (see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −1.2 V to 7 V
I
Input current range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −30 mA to 5 mA
Voltage range applied to any output in the disabled or power-off state . . . . . . . . . . . . . . . . . . . −0.5 V to 5.5 V
Voltage range applied to any output in the high state . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −0.5 V to V
CC
Current into any output in the low state: SN54F573 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40 mA
SN74F573 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48 mA
Operating free-air temperature range: SN54F573 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −55°C to 125°C
SN74F573 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 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 voltage ratings may be exceeded provided the input current ratings are observed.
recommended operating conditions
SN54F573
SN74F573
UNIT
MIN NOM
MAX
MIN NOM
MAX
V
V
V
Supply voltage
4.5
2
5
5.5
4.5
2
5
5.5
V
V
CC
IH
IL
High-level input voltage
Low-level input voltage
Input clamp current
0.8
−18
− 3
0.8
−18
− 3
24
V
I
I
I
mA
mA
mA
°C
IK
High-level output current
Low-level output current
Operating free-air temperature
OH
OL
20
T
A
−55
125
0
70
2−2
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
POST OFFICE BOX 1443 • HOUSTON, TEXAS 77251−1443
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SDFS011A − MARCH 1987 − REVISED OCTOBER 1993
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
SN54F573
SN74F573
PARAMETER
TEST CONDITIONS
I = −18 mA
UNIT
†
†
MIN TYP
MAX
MIN TYP
MAX
V
IK
V
CC
= 4.5 V,
−1.2
−1.2
V
I
I
I
I
I
I
= − 1 mA
= − 3 mA
= − 1 mA to −3 mA
= 20 mA
2.5
2.4
3.4
3.3
2.5
2.4
2.7
3.4
3.3
OH
OH
OH
OL
OL
V
= 4.5 V
CC
CC
V
V
OH
V
= 4.75 V,
0.3
0.5
V
OL
V
CC
= 4.5 V
V
= 24 mA
0.35
0.5
50
I
I
I
I
I
I
I
V
CC
V
CC
V
CC
V
CC
V
CC
V
CC
V
CC
= 5.5 V,
= 5.5 V,
= 5.5 V,
= 5.5 V,
= 5.5 V,
= 5.5 V,
= 5.5 V,
V
V
= 2.7 V
50
−50
0.1
µA
µA
OZH
OZL
I
O
O
= 0.5 V
−50
0.1
V = 7 V
mA
µA
I
V = 2.7 V
20
20
IH
I
V = 0.5 V
− 0.6
−150
55
− 0.6
−150
55
mA
mA
mA
IL
I
‡
V
= 0
−60
−60
OS
O
See Note 2
38
38
CCZ
†
‡
All typical values are at V
CC
= 5 V, T = 25°C.
A
Not more than one output should be shorted at a time, and the duration of the short circuit should not exceed one second.
is measured with OE at 4.5 V and all other inputs grounded.
NOTE 2:
I
CCZ
timing requirements over recommended ranges of supply voltage and operating free-air
temperature (unless otherwise noted)
V
T
= 5 V,
= 25°C
CC
A
SN54F573
SN74F573
UNIT
′F573
MIN
6
MAX
MIN
6
MAX
MIN
6
MAX
t
w
t
su
t
h
Pulse duration, LE high
Setup time, data before LE↓
Hold time, data after LE↓
ns
ns
ns
2
2
2
3
3
3
switching characteristics (see Note 3)
V
C
R
= 5 V,
V
C
R
= 4.5 V to 5.5 V,
= 50 pF,
CC
L
L
CC
L
L
= 50 pF,
= 500 Ω,
= 25°C
= 500Ω,
= MIN to MAX
FROM
(INPUT)
TO
(OUTPUT)
§
PARAMETER
UNIT
T
A
T
A
′F573
TYP
4.9
SN54F573
SN74F573
MIN
2
MAX
7
MIN
1.5
1
MAX
MIN
2.2
1.2
4.2
2.2
1.2
1.2
1.2
1.2
MAX
t
t
t
t
9
8
8
6
PLH
PHL
PLH
PHL
PZH
Q
Q
Q
Q
D
ns
ns
ns
ns
1.2
4.2
2.2
1.2
1.2
1.2
1.2
3.3
5
8.6
11.5
7
3.7
1.5
1
13.5
9
13
8
LE
OE
OE
4.8
t
4.6
11
7.5
6.5
6
13
10
8.5
7
12
8.5
7.5
6
t
5.2
1
PZL
PHZ
t
4.1
1
t
3.4
1
PLZ
§
For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions.
NOTE 3: Load circuits and waveforms are shown in Section 1.
2−3
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
POST OFFICE BOX 1443 • HOUSTON, TEXAS 77251−1443
2−4
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