参数资料
型号: SN54HC139WR
厂商: TEXAS INSTRUMENTS INC
元件分类: 编、解码器及复用、解复用
英文描述: HC/UH SERIES, OTHER DECODER/DRIVER, INVERTED OUTPUT, CDFP16
封装: CERAMIC, DFP-16
文件页数: 5/9页
文件大小: 185K
代理商: SN54HC139WR
SN54HC139, SN74HC139
DUAL 2-LINE TO 4-LINE DECODERS/DEMULTIPLEXERS
SCLS108B – DECEMBER 1982 – REVISED MAY 1997
5
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
PARAMETER MEASUREMENT INFORMATION
VOLTAGE WAVEFORM
INPUT RISE AND FALL TIMES
50%
10%
90%
VCC
0 V
tr
tf
Input
VOLTAGE WAVEFORMS
PROPAGATION DELAY AND OUTPUT TRANSITION TIMES
50%
10%
90%
VCC
VOH
VOL
0 V
tr
tf
Input
In-Phase
Output
50%
tPLH
tPHL
50%
10%
90%
VOH
VOL
tr
tf
tPHL
tPLH
Out-of-Phase
Output
Test
Point
From Output
Under Test
CL = 50 pF
(see Note A)
LOAD CIRCUIT
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.
D. tPLH and tPHL are the same as tpd.
Figure 1. Load Circuit and Voltage Waveforms
相关PDF资料
PDF描述
SN54HC139FK HC/UH SERIES, OTHER DECODER/DRIVER, INVERTED OUTPUT, CQCC20
SN54HC14J-00 HC/UH SERIES, HEX 1-INPUT INVERT GATE, CDIP14
SN74HC14DR-00 HC/UH SERIES, HEX 1-INPUT INVERT GATE, PDSO14
SN54HC14WR HC/UH SERIES, HEX 1-INPUT INVERT GATE, CDFP14
SN74HC14ADBRE4 HC/UH SERIES, HEX 1-INPUT INVERT GATE, PDSO14
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