參數(shù)資料
型號: SN74LVC157AFK
廠商: Texas Instruments, Inc.
英文描述: QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS
中文描述: 四2線1線數(shù)據(jù)選擇器/多路復(fù)用器
文件頁數(shù): 6/8頁
文件大?。?/td> 124K
代理商: SN74LVC157AFK
SN74LVC157A
QUADRUPLE 2-LINE TO 1-LINE DATA SELECTOR/MULTIPLEXER
SCAS292G – JANUARY 1993 – REVISED OCTOBER 1998
6
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
PARAMETER MEASUREMENT INFORMATION
V
CC
= 2.5 V
±
0.2 V
VCC/2
VCC/2
VCC/2
VCC/2
VCC/2
VCC/2
VCC/2
VCC/2
VOH
VOL
th
tsu
From Output
Under Test
CL = 30 pF
(see Note A)
LOAD CIRCUIT
S1
Open
GND
500
500
Output
Control
(low-level
enabling)
Output
Waveform 1
S1 at 2
×
VCC
(see Note B)
Output
Waveform 2
S1 at GND
(see Note B)
tPZL
tPZH
tPLZ
tPHZ
0 V
VOL + 0.15 V
VOH – 0.15 V
0 V
VCC
0 V
0 V
tw
VCC
VCC
VOLTAGE WAVEFORMS
SETUP AND HOLD TIMES
VOLTAGE WAVEFORMS
PULSE DURATION
VOLTAGE WAVEFORMS
ENABLE AND DISABLE TIMES
Timing
Input
Data
Input
Input
tpd
tPLZ/tPZL
tPHZ/tPZH
Open
2
×
VCC
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
10 MHz, ZO = 50
, tr
2 ns, tf
2 ns.
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.
0 V
VCC
VCC/2
tPHL
VCC/2
VCC/2
VCC
0 V
VOH
VOL
Input
Output
VOLTAGE WAVEFORMS
PROPAGATION DELAY TIMES
VCC/2
VCC/2
tPLH
2
×
VCC
VCC
Figure 2. Load Circuit and Voltage Waveforms
相關(guān)PDF資料
PDF描述
SN74LVC16373AGRDR 16-BIT TRANSPARENT D-TYPE LATCH WITH 3-STATE OUTPUTS
SN74LVC16373DGG 16-BIT TRANSPARENT D-TYPE LATCH WITH 3-STATE OUTPUTS
SN74LVC16374AGQLR 16 BIT EDGE TRIGGERED D TYPE FLIP FLOP WITH 3 STATE OUTPUTS
SN74LVC1G98YEAR CONFIGURABLE MULTIPLE-FUNCTION GATE
SN74LVC1G98YEPR CONFIGURABLE MULTIPLE-FUNCTION GATE
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
SN74LVC157ANS 制造商:Rochester Electronics LLC 功能描述: 制造商:Texas Instruments 功能描述:
SN74LVC157ANS-P 制造商:Texas Instruments 功能描述:
SN74LVC157ANSR 功能描述:編碼器、解碼器、復(fù)用器和解復(fù)用器 Quad 2-1-Line Data Slctr/Mltplxr RoHS:否 制造商:Micrel 產(chǎn)品:Multiplexers 邏輯系列:CMOS 位數(shù): 線路數(shù)量(輸入/輸出):2 / 12 傳播延遲時間:350 ps, 400 ps 電源電壓-最大:2.625 V, 3.6 V 電源電壓-最小:2.375 V, 3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray
SN74LVC157ANSRE4 功能描述:編碼器、解碼器、復(fù)用器和解復(fù)用器 Quad 2-1-Line Data Slctr/Mltplxr RoHS:否 制造商:Micrel 產(chǎn)品:Multiplexers 邏輯系列:CMOS 位數(shù): 線路數(shù)量(輸入/輸出):2 / 12 傳播延遲時間:350 ps, 400 ps 電源電壓-最大:2.625 V, 3.6 V 電源電壓-最小:2.375 V, 3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray
SN74LVC157ANSRG4 功能描述:編碼器、解碼器、復(fù)用器和解復(fù)用器 Quad 2 Ln To 1 Ln Data Selctr Multplxr RoHS:否 制造商:Micrel 產(chǎn)品:Multiplexers 邏輯系列:CMOS 位數(shù): 線路數(shù)量(輸入/輸出):2 / 12 傳播延遲時間:350 ps, 400 ps 電源電壓-最大:2.625 V, 3.6 V 電源電壓-最小:2.375 V, 3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray