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参数资料
| 型号： | SN54HC266J |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 门电路 |
| 英文描述： | HC/UH SERIES, QUAD 2-INPUT XNOR GATE, CDIP14 |
| 封装： | 0.300 INCH, CERAMIC, DIP-14 |
| 文件页数： | 3/7页 |
| 文件大小： | 158K |
| 代理商： | SN54HC266J |
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, CL = 50 pF
(unless otherwise noted) (see Figure 1)
PARAMETER
FROM
TO
VCC
TA = 25°C
SN54HC266
SN74HC266
UNIT
PARAMETER
(INPUT)
(OUTPUT)
VCC
MIN
TYP
MAX
MIN
MAX
MIN
MAX
UNIT
2 V
60
125
190
155
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
8
15
22
19
ns
6 V
6
13
19
16
operating characteristics, TA = 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%
10%
90%
VCC
VOH
VOL
0 V
tf
Input
In-Phase
Output
50%
tPLH
tPHL
50%
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%
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.
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