參數(shù)資料
型號(hào): 933334340652
廠(chǎng)商: NXP SEMICONDUCTORS
元件分類(lèi): 算術(shù)邏輯單元
英文描述: 4000/14000/40000 SERIES, 4-BIT MAGNITUDE COMPARATOR, TRUE OUTPUT, PDIP16
封裝: PLASTIC, SOT-38-1, DIP-16
文件頁(yè)數(shù): 5/6頁(yè)
文件大小: 65K
代理商: 933334340652
January 1995
5
Philips Semiconductors
Product specication
4-bit magnitude comparator
HEF4585B
MSI
AC CHARACTERISTICS
VSS = 0 V; Tamb =25 °C; CL = 50 pF; input transition times ≤ 20 ns
APPLICATION INFORMATION
Some examples of applications for the HEF4585B are:
Process controllers.
Servo-motor control.
VDD
V
SYMBOL
MIN.
TYP.
MAX.
TYPICAL EXTRAPOLATION
FORMULA
Propagation delays
An, Bn → On
5
160
320 ns
133 ns
+ (0,55 ns/pF) CL
HIGH to LOW
10
tPHL
65
130 ns
54 ns
+ (0,23 ns/pF) CL
15
45
90 ns
37 ns
+ (0,16 ns/pF) CL
5
150
300 ns
123 ns
+ (0,55 ns/pF) CL
LOW to HIGH
10
tPLH
60
120 ns
49 ns
+ (0,23 ns/pF) CL
15
45
90 ns
37 ns
+ (0,16 ns/pF) CL
In → On
5
110
220 ns
83 ns
+ (0,55 ns/pF) CL
HIGH to LOW
10
tPHL
45
90 ns
34 ns
+ (0,23 ns/pF) CL
15
30
60 ns
22 ns
+ (0,16 ns/pF) CL
5
120
240 ns
93 ns
+ (0,55 ns/pF) CL
LOW to HIGH
10
tPLH
50
100 ns
39 ns
+ (0,23 ns/pF) CL
15
35
70 ns
27 ns
+ (0,16 ns/pF) CL
Output transition times
5
60
120 ns
10 ns
+
(1,0 ns/pF) CL
HIGH to LOW
10
tTHL
30
60 ns
9 ns
+ (0,42 ns/pF) CL
15
20
40 ns
6 ns
+ (0,28 ns/pF) CL
5
60
120 ns
10 ns
+
(1,0 ns/pF) CL
LOW to HIGH
10
tTLH
30
60 ns
9 ns
+ (0,42 ns/pF) CL
15
20
40 ns
6 ns
+ (0,28 ns/pF) CL
VDD
V
TYPICAL FORMULA FOR P (
W)
Dynamic power
5
1250 fi +∑ (foCL) × VDD2
where
dissipation per
10
5500 fi +∑ (foCL) × VDD2
fi = input freq. (MHz)
package (P)
15
15 000 fi +∑ (foCL) × VDD2
fo = output freq. (MHz)
CL = load capacitance (pF)
∑ (f
oCL) = sum of outputs
VDD = supply voltage (V)
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