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參數(shù)資料
| 型號： | 74ALVC244PW |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | OCTAL BUFFER/DRIVER WITH 3-STATE OUTPUTS |
| 中文描述： | 八路緩沖器/ 3驅(qū)動態(tài)輸出 |
| 文件頁數(shù)： | 2/15頁 |
| 文件大?。?/td> | 90K |
| 代理商： | 74ALVC244PW |
2003 Sep 08
2
Philips Semiconductors
Product specification
Octal buffer/line driver; 3-state
74ALVC244
FEATURES
Wide supply voltage range from 1.65 to 3.6 V
3.6 V tolerant inputs/outputs
CMOS low power consumption
Direct interface with TTL levels (2.7 to 3.6 V)
Power-down mode
Latch-up performance exceeds 250 mA
Complies with JEDEC standard:
JESD8-7 (1.65 to 1.95 V)
JESD8-5 (2.3 to 2.7 V)
JESD8B/JESD36 (2.7 to 3.6 V)
ESD protection:
HBM EIA/JESD22-A114-A exceeds 2000 V
MM EIA/JESD22-A115-A exceeds 200 V.
DESCRIPTION
The 74ALVC244 is a high-performance, low-power,
low-voltage, Si-gate CMOS device and superior to most
advanced CMOS compatible TTL families.
The 74ALVC244 is an octal non-inverting buffer/line driver
with 3-state outputs. The 3-state outputs are controlled by
the output enable inputs 1OE and 2OE. A HIGH on nOE
causes the outputs to assume a high-impedance
OFF-state. Schmitt-trigger action at all inputs makes the
circuit highly tolerant for slower input rise and fall times.
QUICK REFERENCE DATA
GND = 0 V; T
amb
= 25
°
C.
Notes
1.
C
PD
is used to determine the dynamic power dissipation (P
D
in
μ
W).
P
D
= C
PD
×
V
CC2
×
f
i
×
N +
Σ
(C
L
×
V
CC2
×
f
o
) where:
f
i
= input frequency in MHz;
f
o
= output frequency in MHz;
C
L
= output load capacitance in pF;
V
CC
= supply voltage in Volts;
N = total load switching outputs;
Σ
(C
L
×
V
CC2
×
f
o
) = sum of the outputs.
The condition is V
I
= GND to V
CC
.
2.
SYMBOL
PARAMETER
CONDITIONS
TYPICAL
UNIT
t
PHL
/t
PLH
propagation delay nAn to nYn
V
CC
= 1.8 V; C
L
= 30 pF; R
L
= 1 k
V
CC
= 2.5 V; C
L
= 30 pF; R
L
= 500
2.0
V
CC
= 2.7 V; C
L
= 50 pF; R
L
= 500
2.3
V
CC
= 3.3 V; C
L
= 50 pF; R
L
= 500
2.2
2.7
ns
ns
ns
ns
pF
pF
C
I
C
PD
input capacitance
power dissipation capacitance per buffer
3.5
20
V
CC
= 3.3 V; notes 1 and 2
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 74ALVC244PW,112 | 功能描述:緩沖器和線路驅(qū)動器 2.5/3.3OCT BUF/DVR RoHS:否 制造商:Micrel 輸入線路數(shù)量:1 輸出線路數(shù)量:2 極性:Non-Inverting 電源電壓-最大:+/- 5.5 V 電源電壓-最小:+/- 2.37 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Reel |
| 74ALVC244PW,118 | 功能描述:緩沖器和線路驅(qū)動器 2.5/3.3OCT BUF/DVR RoHS:否 制造商:Micrel 輸入線路數(shù)量:1 輸出線路數(shù)量:2 極性:Non-Inverting 電源電壓-最大:+/- 5.5 V 電源電壓-最小:+/- 2.37 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Reel |
| 74ALVC244PW118 | 制造商:Rochester Electronics LLC 功能描述: 制造商:NXP 功能描述: 制造商:NXP Semiconductors 功能描述: |
| 74ALVC244PW-T | 功能描述:緩沖器和線路驅(qū)動器 2.5/3.3OCT BUF/DVR N-INV 3-S RoHS:否 制造商:Micrel 輸入線路數(shù)量:1 輸出線路數(shù)量:2 極性:Non-Inverting 電源電壓-最大:+/- 5.5 V 電源電壓-最小:+/- 2.37 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Reel |
| 74ALVC245 | 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:Low Voltage Bidirectional Transceiver with 3.6V Tolerant Inputs and Outputs |
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