Texas Instruments SN74F573N Bedienungsanleitung

Texas Instruments Nicht kategorisiert SN74F573N

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ξ˜ξ˜‚ξ˜ƒξ˜„ξ˜…ξ˜ƒξ˜†ξ˜‡ξ˜ˆξ˜‰ξ˜ξ˜‚ξ˜†ξ˜„ξ˜…ξ˜ƒξ˜†ξ˜‡
ξ˜Šξ˜‹ξ˜Œξ˜ξ˜Žξ˜‰ξ˜Œξ˜ξ˜ξ˜‚ξ˜ξ˜ξ˜ξ˜ξ˜‘ξ˜‚ξ˜Œξ˜‰ξ˜’ξ˜“ξ˜Œξ˜”ξ˜ξ˜‘ξ˜‰ξ˜Žξ˜ξ˜Œξ˜‹ξ˜•ξ˜‘ξ˜
ξ˜–ξ˜—ξ˜Œξ˜•ξ˜‰ξ˜‡ξ˜“ξ˜ξ˜Œξ˜ξ˜Œξ˜‘ξ˜‰ξ˜Šξ˜˜ξ˜Œξ˜ξ˜˜ξ˜Œξ˜
SDFS011A βˆ’ MARCH 1987 βˆ’ REVISED OCTOBER 1993
Copyright  1993, Texas Instruments Incorporated
2βˆ’1
POST OFFICE BOX 655303 β€’ DALLAS, TEXAS 75265
POST OFFICE BOX 1443 β€’ HOUSTON, TEXAS 77251βˆ’1443
β€’Eight Latches in a Single Package
β€’3-State Bus-Driving True Outputs
β€’Full Parallel Access for Loading
β€’Buered Control Inputs
β€’Package Options Include Plastic
Small-Outline Packages, Ceramic Chip
Carriers, and Standard Plastic and Ceramic
300-mil DIPs
description
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.
The eight latches of the β€²F573 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.
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.
The output enable (OE) input does not aect 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 βˆ’55Β° Β°C to 125 C. The
SN74F573 is characterized for operation from 0Β°C to 70Β°C.
FUNCTION TABLE
(each latch)
INPUTS
OUTPUT
OE LE D
OUTPUT
Q
L H H H
L H L L
L L X Q0
H X X Z
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
OE
1D
2D
3D
4D
5D
6D
7D
8D
GND
VCC
1Q
2Q
3Q
4Q
5Q
6Q
7Q
8Q
LE
SN54F573 . . . J PACKAGE
SN74F573 . . . DW OR N PACKAGE
(TOP VIEW)
3 2 1 20 19
9 10 11 12 13
4
5
6
7
8
18
17
16
15
14
2Q
3Q
4Q
5Q
6Q
3D
4D
5D
6D
7D
2D
1D
OE
8Q
7Q 1Q
8D
G
ND
LE
V
CC
SN54F573 . . . FK PACKAGE
(TOP VIEW)
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ξ˜Šξ˜‹ξ˜Œξ˜ξ˜Žξ˜‰ξ˜Œξ˜ξ˜ξ˜‚ξ˜ξ˜ξ˜ξ˜ξ˜‘ξ˜‚ξ˜Œξ˜‰ξ˜’ξ˜“ξ˜Œξ˜”ξ˜ξ˜‘ξ˜‰ξ˜Žξ˜ξ˜Œξ˜‹ξ˜•ξ˜‘ξ˜
ξ˜–ξ˜—ξ˜Œξ˜•ξ˜‰ξ˜‡ξ˜“ξ˜ξ˜Œξ˜ξ˜Œξ˜‘ξ˜‰ξ˜Šξ˜˜ξ˜Œξ˜ξ˜˜ξ˜Œξ˜
SDFS011A βˆ’ MARCH 1987 βˆ’ REVISED OCTOBER 1993
2βˆ’2 POST OFFICE BOX 655303 β€’ DALLAS, TEXAS 75265
POST OFFICE BOX 1443
β€’ HOUSTON, TEXAS 77251βˆ’1443
logic symbol†logic diagram (positive logic)
OE
1D
2
1D 3
2D 4
3D
5
4D 6
5D
C1
11
LE
1Q
19
2Q
18
3Q
17
4Q
16
5Q
15
6Q
14
7Q
13
8Q
12
7
6D
8
7D 9
8D
EN
1
OE
LE
1D
1Q
1
11
2
19
To Seven Other Channels
C1
1D
†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 βˆ’0.5 V to 7 V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Input voltage range, VI (see Note 1) βˆ’1.2 V to 7 V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Input current range βˆ’30 mA to 5 mA. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Voltage range applied to any output in the disabled or power-off state βˆ’0.5 V to 5.5 V. . . . . . . . . . . . . . . . . . .
Voltage range applied to any output in the high state βˆ’0.5 V to VCC
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Current into any output in the low state: SN54F573 40 mA. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SN74F573 48 mA. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating free-air temperature range: SN54F573 βˆ’55Β° Β°C to 125 C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SN74F573 0Β° Β°C to 70 C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Storage temperature range βˆ’65Β° Β°C to 150 C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
‑Stresses beyond those listed under β€œabsolute 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 β€œrecommended 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
UNIT
VCC Supply voltage 4.5 5 5.5 4.5 5 5.5 V
VIH High-level input voltage 2 2 V
VIL Low-level input voltage 0.8 0.8 V
IIK Input clamp current βˆ’18 βˆ’18 mA
IOH High-level output current βˆ’ 3 βˆ’ 3 mA
IOL Low-level output current 20 24 mA
TAOperating free-air temperature βˆ’55 125 0 70 CΒ°
ξ˜ξ˜‚ξ˜ƒξ˜„ξ˜…ξ˜ƒξ˜†ξ˜‡ξ˜ˆξ˜‰ξ˜ξ˜‚ξ˜†ξ˜„ξ˜…ξ˜ƒξ˜†ξ˜‡
ξ˜Šξ˜‹ξ˜Œξ˜ξ˜Žξ˜‰ξ˜Œξ˜ξ˜ξ˜‚ξ˜ξ˜ξ˜ξ˜ξ˜‘ξ˜‚ξ˜Œξ˜‰ξ˜’ξ˜“ξ˜Œξ˜”ξ˜ξ˜‘ξ˜‰ξ˜Žξ˜ξ˜Œξ˜‹ξ˜•ξ˜‘ξ˜
ξ˜–ξ˜—ξ˜Œξ˜•ξ˜‰ξ˜‡ξ˜“ξ˜ξ˜Œξ˜ξ˜Œξ˜‘ξ˜‰ξ˜Šξ˜˜ξ˜Œξ˜ξ˜˜ξ˜Œξ˜
SDFS011A βˆ’ MARCH 1987 βˆ’ REVISED OCTOBER 1993
2βˆ’3
POST OFFICE BOX 655303 β€’ DALLAS, TEXAS 75265
POST OFFICE BOX 1443 β€’ HOUSTON, TEXAS 77251βˆ’1443
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
SN54F573 SN74F573
UNIT
PARAMETER
TEST CONDITIONS
MIN TYP†MAX MIN TYP†MAX
UNIT
VIK VCC = 4.5 V, II = βˆ’18 mA βˆ’1.2 βˆ’1.2 V
V 4 5 V
IOH = βˆ’ 1 mA 2.5 3.4 2.5 3.4
VOH
VCC = 4.5 V IOH = βˆ’ 3 mA 2.4 3.3 2.4 3.3 V
VCC = 4.75 V, IOH = βˆ’ 1 mA to βˆ’3 mA 2.7
V
V 4 5 V
IOL = 20 mA 0.3 0.5
V
VOL VCC = 4.5 V IOL = 24 mA 0.35 0.5 V
IOZH VCC = 5.5 V, V
O = 2.7 V 50 50 AΒ΅
IOZL VCC = 5.5 V, V
O = 0.5 V βˆ’50 βˆ’50 Β΅A
IIVCC = 5.5 V, V
I = 7 V 0.1 0.1 mA
IIH VCC = 5.5 V, V
I = 2.7 V 20 20 AΒ΅
IIL VCC = 5.5 V, V
I = 0.5 V βˆ’ 0.6 βˆ’ 0.6 mA
IOS‑VCC = 5.5 V, V
O = 0 βˆ’60 βˆ’60βˆ’150 βˆ’150 mA
ICCZ VCC = 5.5 V, See Note 2 38 55 38 55 mA
†All typical values are at V
CC = 5 V, T
A = 25Β°C.
‑Not more than one output should be shorted at a time, and the duration of the short circuit should not exceed one second.
NOTE 2: ICCZ is measured with OE at 4.5 V and all other inputs grounded.
timing requirements over recommended ranges of supply voltage and operating free-air
temperature (unless otherwise noted)
VCC = 5 V,
TA = 25Β°C
UNIT
β€²F573
UNIT
MIN MAX MIN MAX MIN MAX
twPulse duration, LE high 6 6 6 ns
tsu Setup time, data before LE↓2 2 2 ns
thHold time, data after LE↓3 3 3 ns
switching characteristics (see Note 3)
PARAMETER FROM
(INPUT)
TO
(OUTPUT)
VCC = 5 V,
CL = 50 pF,
RL = 500 Ω,
TA = 25Β°C
VCC = 4.5 V to 5.5 V,
CL = 50 pF,
RL = 500Ω,
TA = MIN to MAX§UNIT
(INPUT)
(OUTPUT)
β€²F573 SN54F573 SN74F573
MIN TYP MAX MIN MAX MIN MAX
tPLH
D
Q
2 4.9 7 1.5 9 2.2 8
ns
tPHL
D
Q
1.2 3.3 5 1 8 1.2 6 ns
tPLH
LE
Q
4.2 8.6 11.5 3.7 13.5 4.2 13
ns
tPHL
LE
Q
2.2 4.8 7 1.5 9 2.2 8 ns
tPZH
OE
Q
1.2 4.6 1 13 1.2 1211
ns
tPZL
OE
Q
1.2 5.2 7.5 1 10 1.2 8.5 ns
tPHZ
OE
Q
1.2 4.1 6.5 1 8.5 1.2 7.5
ns
tPLZ
OE
Q
1.2 3.4 6 1 7 1.2 6
ns
Β§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.

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Modell: SN74F573N

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