参数资料
型号: SN74ALS520N
厂商: TEXAS INSTRUMENTS INC
元件分类: 算术逻辑单元
英文描述: ALS SERIES, 8-BIT IDENTITY COMPARATOR, INVERTED OUTPUT, PDIP20
封装: ROHS COMPLIANT, PLASTIC, DIP-20
文件页数: 16/19页
文件大小: 660K
代理商: SN74ALS520N
SN54ALS520, SN74ALS518, SN74ALS520, SN74ALS521
8-BIT IDENTITY COMPARATORS
SDAS224B – JUNE 1982 – REVISED NOVEMBER 1995
6
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
switching characteristics (see Figure 1)
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
VCC = 4.5 V to 5.5 V,
CL = 50 pF,
RL = 680 ,
TA = MIN to MAX
UNIT
(INPUT)
(OUTPUT)
SN74ALS518
MIN
MAX
tPLH
PorQ
PQ
15
33
ns
tPHL
P or Q
P = Q
3
15
ns
tPLH
G
P=Q
15
33
ns
tPHL
G
P = Q
3
15
ns
For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions.
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)
Supply voltage, VCC
7 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Input voltage, VI: Q inputs of ′ALS520
VCC + 0.5 V or 5.5 V, whichever is less
. . . . . . . . . . . . . . . . . . . . . . . . .
All other inputs
7 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating free-air temperature range, TA: SN54ALS520
– 55
°C to 125°C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SN74ALS520, SN74ALS521
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
SN54ALS520
SN74ALS520
SN74ALS521
UNIT
MIN
NOM
MAX
MIN
NOM
MAX
VCC
Supply voltage
4.5
5
5.5
4.5
5
5.5
V
VIH
High-level input voltage
2
V
VIL
Low-level input voltage
0.7
0.8
V
IOH
High-level output current
–1
– 2.6
mA
IOL
Low-level output current
12
24
mA
TA
Operating free-air temperature
–55
125
0
70
°C
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相关代理商/技术参数
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