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參數(shù)資料
| 型號(hào)： | 933669880652 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 算術(shù)邏輯單元 |
| 英文描述： | HC/UH SERIES, 4-BIT MAGNITUDE COMPARATOR, TRUE OUTPUT, PDIP16 |
| 封裝： | PLASTIC, DIP-16 |
| 文件頁數(shù)： | 7/9頁 |
| 文件大?。?/td> | 67K |
| 代理商： | 933669880652 |
December 1990
7
Philips Semiconductors
Product specication
4-bit magnitude comparator
74HC/HCT85
DC CHARACTERISTICS FOR 74HCT
For the DC characteristics see
“74HC/HCT/HCU/HCMOS Logic Family Specifications”.
Output capability: standard
ICC category: MSI
Note to HCT types
The value of additional quiescent supply current (
ICC) for a unit load of 1 is given in the family specifications.
To determine
ICC per input, multiply this value by the unit load coefficient shown in the table below.
AC CHARACTERISTICS FOR 74HCT
GND = 0 V; tr =tf = 6 ns; CL = 50 pF
INPUT
UNIT LOAD COEFFICIENT
IA<B
IA>B
IA=B
An, Bn
1.00
1.50
SYMBOL PARAMETER
Tamb (°C)
TEST CONDITIONS
74HCT
UNIT
VCC
(V)
WAVEFORMS
+25
40 to +85
40 to +125
min.
typ.
max.
min. max.
min.
max.
tPHL/ tPLH
propagation delay
An, Bn to QA>B or QA<B
26
44
55
66
ns
4.5
Fig.6
tPHL/ tPLH
propagation delay
An, Bn to QA=B
24
40
50
60
ns
4.5
Fig.6
tPHL/ tPLH
propagation delay
IA<B, IA=B, IA>B to
QA<B, QA>B
18
31
39
47
ns
4.5
Fig.6
tPHL/ tPLH
propagation delay
IA=B to QA=B
18
31
39
47
ns
4.5
Fig.6
tTHL/ tTLH
output transition time
7
15
19
22
ns
4.5
Fig.6
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