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74ACT11827DW Datasheet(Hoja de datos) 4 Page - Texas Instruments

No. de Pieza. 74ACT11827DW
Descripción  10-BIT BUFFERS/BUS DRIVERS WITH 3-STATE OUTPUTS
Descarga  5 Pages
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Fabricante  TI [Texas Instruments]
Página de inicio  http://www.ti.com
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54ACT11827, 74ACT11827
10-BIT BUFFERS/BUS DRIVERS
WITH 3-STATE OUTPUTS
SCAS078 – NOVEMBER 1989 – REVISED APRIL 1993
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
2–4
switching characteristics over recommended ranges of supply voltage and operating free-air
temperature (unless otherwise noted) (see Figure 1)
PARAMETER
FROM
TO
TA = 25°C
54ACT11827
74ACT11827
UNIT
PARAMETER
(INPUT)
(OUTPUT)
MIN
TYP
MAX
MIN
MAX
MIN
MAX
UNIT
tPLH
A
Y
3.8
6.3
8
3.8
9.9
3.8
9.2
ns
tPHL
A
Y
2.7
6.9
9.5
2.7
11.9
2.7
11.2
ns
tPZH
G
Y
2.6
6.4
9.2
2.6
12.2
2.6
11.3
ns
tPZL
G
Y
3.2
8
11.2
3.2
15.1
3.2
14
ns
tPHZ
G
Y
6.1
8.8
11.1
6.1
12.9
6.1
12
ns
tPLZ
G
Y
5.8
8.3
10.6
5.8
12.4
5.8
11.6
ns
operating characteristics, VCC = 5 V, TA = 25°C
PARAMETER
TEST CONDITIONS
TYP
UNIT
C d
Power dissipation capacitance
Outputs enabled
CL =50 pF
f=1MHz
35
pF
Cpd
Power dissipation capacitance
Outputs disabled
CL = 50 pF,
f = 1 MHz
10
pF
PARAMETER MEASUREMENT INFORMATION
From Output
Under Test
CL = 50 pF
(see Note A)
LOAD CIRCUIT
S1
2
× VCC
500
500
tPLH
tPHL
Output
Control
(low-level
enabling)
Output
Waveform 1
S1 at 2
× VCC
(see Note C)
Output
Waveform 2
S1 at GND
(see Note C)
VOL
VOH
tPZL
tPZH
tPLZ
tPHZ
1.5 V
1.5 V
1.5 V
1.5 V
[ VCC
3 V
0 V
50% VCC
50% VCC
VOH
VOL
0 V
50% VCC
20% VCC
50% VCC
80% VCC
[ 0 V
3 V
GND
Open
Input
(see Note B)
Output
VOLTAGE WAVEFORMS
VOLTAGE WAVEFORMS
tPLH/tPHL
tPLZ/tPZL
tPHZ/tPZH
Open
2
× VCC
GND
TEST
S1
NOTES: A. CL includes probe and jig capacitance.
B. All input pulses are supplied by generators having the following characteristics: PRR
≤ 10 MHz, ZO = 50 Ω, tr = 3 ns, tf = 3 ns.
C. Waveform 1 is for an output with internal conditions such that the output is low except when disabled by the output control.
Waveform 2 is for an output with internal conditions such that the output is high except when disabled by the output control.
D. The outputs are measured one at a time with one input transition per measurement.
Figure 1. Load Circuit and Voltage Waveforms
PRODUCT PREVIEW information concerns products in the formative or
design phase of development. Characteristic data and other
specifications are design goals. Texas Instruments reserves the right to
change or discontinue these products without notice.




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