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參數(shù)資料
| 型號(hào)： | SN74LVC258A |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | Quadruple 1-Of-2 Data Selecters(四2選1數(shù)據(jù)選擇器) |
| 中文描述： | 四重1 - 2數(shù)據(jù)Selecters（四2選1數(shù)據(jù)選擇器） |
| 文件頁數(shù)： | 5/6頁 |
| 文件大?。?/td> | 123K |
| 代理商： | SN74LVC258A |
SN74LVC258A
QUADRUPLE 2-LINE TO 1-LINE DATA SELECTOR/MULTIPLEXER
WITH 3-STATE OUTPUTS
SCAS345D – MARCH 1994 – REVISED JANUARY 1997
5
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
PARAMETER MEASUREMENT INFORMATION
VOH
VOL
th
tsu
From Output
Under Test
CL = 50 pF
(see Note A)
LOAD CIRCUIT
S1
6 V
Open
GND
500
500
tPLH
tPHL
Output
Control
(low-level
enabling)
Output
Waveform 1
S1 at 6 V
(see Note B)
Output
Waveform 2
S1 at GND
(see Note B)
tPZL
tPZH
tPLZ
tPHZ
1.5 V
1.5 V
1.5 V
1.5 V
2.7 V
0 V
1.5 V
1.5 V
VOH
VOL
0 V
1.5 V
VOL + 0.3 V
1.5 V
VOH – 0.3 V
0 V
1.5 V
2.7 V
0 V
1.5 V
1.5 V
0 V
2.7 V
0 V
1.5 V
1.5 V
tw
Input
2.7 V
2.7 V
3 V
VOLTAGE WAVEFORMS
SETUP AND HOLD TIMES
VOLTAGE WAVEFORMS
PROPAGATION DELAY TIMES
VOLTAGE WAVEFORMS
PULSE DURATION
VOLTAGE WAVEFORMS
ENABLE AND DISABLE TIMES
Timing
Input
Data
Input
Output
Input
tpd
tPLZ/tPZL
tPHZ/tPZH
Open
6 V
GND
TEST
S1
NOTES: A. CL includes probe and jig capacitance.
B. 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.
C. All input pulses are supplied by generators having the following characteristics: PRR
D. The outputs are measured one at a time with one transition per measurement.
E. tPLZ and tPHZ are the same as tdis.
F. tPZL and tPZH are the same as ten.
G. tPLH and tPHL are the same as tpd.
10 MHz, ZO = 50
, tr
2.5 ns, tf
2.5 ns.
Figure 1. Load Circuit and Voltage Waveforms
P
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| SN74LVC2952ADW | 功能描述:總線收發(fā)器 Tri-St. Octal Bus RoHS:否 制造商:Fairchild Semiconductor 邏輯類型:CMOS 邏輯系列:74VCX 每芯片的通道數(shù)量:16 輸入電平:CMOS 輸出電平:CMOS 輸出類型:3-State 高電平輸出電流:- 24 mA 低電平輸出電流:24 mA 傳播延遲時(shí)間:6.2 ns 電源電壓-最大:2.7 V, 3.6 V 電源電壓-最小:1.65 V, 2.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-48 封裝:Reel |
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