參數(shù)資料
型號(hào)： SN54AS885FK
廠商： Texas Instruments, Inc.
英文描述： 8-BIT MAGNITUDE COMPARATORS
中文描述： 8位震級(jí)比較器
文件頁(yè)數(shù)： 4/9頁(yè)
文件大小： 153K
代理商： SN54AS885FK
SN54AS885, SN74AS885
8-BIT MAGNITUDE COMPARATORS
SDAS236A – DECEMBER 1982 – REVISED JANUARY 1995
4
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)
Supply voltage, V
CC
Input voltage, V
I
Operating free-air temperature range, T
A
: SN54AS885
7 V
7 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SN74AS885
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Storage temperature range
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
–55
°
C to 125
°
C
0
°
C to 70
°
C
–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
SN54AS885
MIN
NOM
SN74AS885
MIN
NOM
UNIT
MAX
MAX
VCC
VIH
VIL
IOH
IOL
tsu*
th*
TA
* On products compliant to MIL-STD-883, Class B, this parameter is based on characterization data but is not production tested.
Supply voltage
4.5
5
5.5
4.5
5
5.5
V
High-level input voltage
2
2
V
Low-level input voltage
0.8
0.8
V
High-level output current
–2
–2
mA
Low-level output current
Setup time, data before PLE
↓
Hold time, data after PLE
↓
Operating free-air temperature
20
20
mA
2
2
ns
4.5
4
ns
°
C
–55
125
0
70
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
SN54AS885
TYP
SN74AS885
TYP
UNIT
MIN
MAX
MIN
MAX
VIK
VOH
VOL
II
VCC = 4.5 V,
VCC = 4.5 V to 5.5 V,
VCC = 4.5 V,
VCC = 5.5 V,
II = –18 mA
IOH = –2 mA
IOL = 20 mA
VI = 7 V
–1.2
–1.2
V
VCC –2
VCC –2
V
0.35
0.5
0.35
0.5
V
0.1
0.1
mA
IIH
L/A
VCC= 5 5 V
VCC = 5.5 V,
VI= 2 7 V
VI = 2.7 V
40
40
μ
A
Others
20
20
L/A
–4
–4
IIL
P > QIN, P < QIN
VCC = 5.5 V,
VI = 0.4 V
–2
–2
mA
P, Q, PLE
–1
–1
IO§
ICC
All typical values are at VCC = 5 V, TA = 25
°
C.
§The output conditions have been chosen to produce a current that closely approximates one half of the true short-circuit output current, IOS.
NOTE 1: ICC is measured with all inputs high except L/A, which is low.
VCC = 5.5 V,
VCC = 5.5 V,
VO = 2.25 V
See Note 1
–20
–112
–20
–112
mA
130
210
130
210
mA
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