參數(shù)資料
型號(hào): SN74ALS521NE4
廠商: TEXAS INSTRUMENTS INC
元件分類(lèi): 算術(shù)邏輯單元
英文描述: ALS SERIES, 8-BIT IDENTITY COMPARATOR, INVERTED OUTPUT, PDIP20
封裝: ROHS COMPLIANT, PLASTIC, DIP-20
文件頁(yè)數(shù): 15/19頁(yè)
文件大?。?/td> 660K
代理商: SN74ALS521NE4
SN54ALS520, SN74ALS518, SN74ALS520, SN74ALS521
8-BIT IDENTITY COMPARATORS
SDAS224B – JUNE 1982 – REVISED NOVEMBER 1995
5
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)
Supply voltage, VCC
7 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Input voltage, VI: Q inputs
VCC + 0.5 V or 5.5 V, whichever is less
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
All other inputs
7 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Off-state output voltage
7 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating free-air temperature range, TA: SN74ALS518
0
°C to 70°C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Storage temperature range
– 65
°C to 150°C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, and
functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not
implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
recommended operating conditions
SN74ALS518
UNIT
MIN
NOM
MAX
UNIT
VCC
Supply voltage
4.5
5
5.5
V
VIH
High-level input voltage
2
V
VIL
Low-level input voltage
0.8
V
VOH
High-level output voltage
5.5
V
IOL
Low-level output current
24
mA
TA
Operating free-air temperature
0
70
°C
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
SN74ALS518
UNIT
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VIK
VCC = 4.5 V,
II = – 18 mA
– 1.5
V
IOH
VCC = 5.5 V,
VOH = 5.5 V
0.1
mA
VOL
VCC =4 5V
IOL = 12 mA
0.25
0.4
V
VOL
VCC = 4.5 V
IOL = 24 mA
0.35
0.5
V
II
Q inputs
VCC =5 5V
VI = 5.5 V
0.1
mA
II
All other inputs
VCC = 5.5 V
VI = 7 V
0.1
mA
I
Q inputs
VCC =5 5V
VI =2 7V
– 0.2
mA
IIH
All other inputs
VCC = 5.5 V,
VI = 2.7 V
20
A
I
Q inputs
VCC =5 5V
VI =0 4V
– 0.6
mA
IIL
All other inputs
VCC = 5.5 V,
VI = 0.4 V
– 0.1
mA
ICC
VCC = 5.5 V,
See Note 1
11
17
mA
All typical values are at VCC = 5 V, TA = 25°C.
NOTE 1: ICC is measured with G grounded, and P and Q at 4.5 V.
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SN74ALS521NS 制造商:Texas Instruments 功能描述:
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SN74ALS521NSRE4 功能描述:校驗(yàn)器 IC 8-Bit Id Comparators W/open-Collector Out RoHS:否 制造商:STMicroelectronics 產(chǎn)品: 比較器類(lèi)型: 通道數(shù)量: 輸出類(lèi)型:Push-Pull 電源電壓-最大:5.5 V 電源電壓-最小:1.1 V 補(bǔ)償電壓(最大值):6 mV 電源電流(最大值):1350 nA 響應(yīng)時(shí)間: 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SC-70-5 封裝:Reel
SN74ALS521NSRG4 功能描述:校驗(yàn)器 IC 8B Identity Magnitde Comparators RoHS:否 制造商:STMicroelectronics 產(chǎn)品: 比較器類(lèi)型: 通道數(shù)量: 輸出類(lèi)型:Push-Pull 電源電壓-最大:5.5 V 電源電壓-最小:1.1 V 補(bǔ)償電壓(最大值):6 mV 電源電流(最大值):1350 nA 響應(yīng)時(shí)間: 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SC-70-5 封裝:Reel
SN74ALS527DW 制造商:Rochester Electronics LLC 功能描述:- Bulk