參數(shù)資料
型號： SN54HC266FK
廠商： Texas Instruments, Inc.
英文描述： Variable-frequency Critical-Mode Voltage-Mode Flyback Controller with 700V Maximum Startup and Adjustable Frequency Clamp; Package: SOIC 16 Minus Pins 14, 15; No of Pins: 14; Container: Tape and Reel; Qty per Container: 2500
中文描述： 四2輸入異，也與蓋茨開漏輸出
文件頁數(shù)： 3/4頁
文件大小： 77K
代理商： SN54HC266FK
SN54HC266, SN74HC266
QUADRUPLE 2-INPUT EXCLUSIVE-NOR GATES
WITH OPEN-DRAIN OUTPUTS
SCLS135C – DECEMBER 1982 – REVISED MAY 1997
3
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
switching characteristics over recommended operating free-air temperature range, C
L
= 50 pF
(unless otherwise noted) (see Figure 1)
PARAMETER
FROM
(INPUT)
TO
VCC
TA = 25
°
C
TYP
SN54HC266
MIN
SN74HC266
MIN
UNIT
(OUTPUT)
MIN
MAX
125
MAX
190
MAX
155
2 V
60
tPLH
A or B
Y
4.5 V
13
25
38
31
ns
6 V
10
23
32
26
2 V
60
100
150
125
tPHL
A or B
Y
4.5 V
13
20
30
25
ns
6 V
10
17
25
21
2 V
28
75
110
95
tt
Y
4.5 V
6 V
8
6
15
13
22
19
19
16
ns
operating characteristics, T
A
= 25
°
C
PARAMETER
TEST CONDITIONS
TYP
UNIT
Cpd
Power dissipation capacitance per gate
No load
35
pF
PARAMETER MEASUREMENT INFORMATION
VOLTAGE WAVEFORMS
PROPAGATION DELAY AND OUTPUT TRANSITION TIMES
50%
50%
10%
10%
90%
VCC
VOH
VOL
0 V
tf
Input
In-Phase
Output
50%
tPLH
tPHL
50%
10%
10%
90%
VOH
VOL
tf
tPHL
tPLH
Out-of-Phase
Output
LOAD CIRCUIT
Test
Point
From Output
Under Test
CL = 50 pF
(see Note A)
VCC
RL = 1 k
NOTES: A. CL includes probe and test-fixture capacitance.
B. Phase relationships between waveforms were chosen arbitrarily. All input pulses are supplied by generators having the following
characteristics: PRR
≤
1 MHz, ZO = 50
, tr = 6 ns, tf = 6 ns.
C. The outputs are measured one at a time with one input transition per measurement.
VOLTAGE WAVEFORM
INPUT RISE AND FALL TIMES
50%
10%
50%
10%
90%
90%
VCC
0 V
tr
tf
Input
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.
相關(guān)PDF資料
PDF描述
SN54HC266J Variable-frequency Critical-Mode Voltage-Mode Flyback Controller with 700V Maximum Startup and Adjustable Frequency Clamp; Package: SOIC 16 Minus Pins 14, 15; No of Pins: 14; Container: Tape and Reel; Qty per Container: 2500
SN54HC266W Power Factor Controller in Critical-Mode Peak-Current-Mode Boost with 500V Maximum Startup; Package: SOIC 16 Minus Pins 14, 15; No of Pins: 14; Container: Rail; Qty per Container: 48
SN54HC273FK Power Factor Controller in Critical-Mode Peak-Current-Mode Boost with 500V Maximum Startup; Package: SOIC 16 Minus Pins 14, 15; No of Pins: 14; Container: Tape and Reel; Qty per Container: 2500
SN54HC273W Power Factor Controller in Critical-Mode Peak-Current-Mode Boost with 500V Maximum Startup; Package: PDIP-16; No of Pins: 16; Container: Rail; Qty per Container: 25
SN54HC27FK 300mA, 2.5V ±1% Output Voltage, Low Dropout Voltage Regulator with Enable; Package: SOIC-8 Narrow Body; No of Pins: 8; Container: Rail; Qty per Container: 98
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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