M54HC182 Datasheet, PDF (6/12 Pages) STMicroelectronics – FUNCTION LOOK AHEAD CARRY GENERATOR

M54/M74HC182
AC ELECTRICAL CHARACTERISTICS (CL = 50 pF, Input tr = tf = 6 ns)
Symbol
Parameter
Test Conditions
VCC
(V)
TA = 25 ^oC
54HC and 74HC
Value
-40 to 85 ^oC -55 to 125 ^oC _Unit
74HC
54HC
Min. Typ. Max. Min. Max. Min. Max.
t_TLH Output Transition 2.0
t_THL Time
4.5
30 75
8
15
95
110
19
22
ns
6.0
7
13
16
19
t_PLH Propagation
2.0
t_PHL Delay Time
4.5
(Gn, Pn - Cn+xyz) _6.0
62 135
170
205
17 27
34
41
ns
13 23
29
35
tPLH Propagation
2.0
t_PHL Delay Time
4.5
(Gn, Pn - G)
6.0
72 150
190
225
19 30
38
45
ns
14 26
32
38
tPLH Propagation
2.0
t_PHL Delay Time
4.5
(Pn - P)
6.0
62 135
170
205
17 27
34
41
ns
13 23
29
35
tPLH Propagation
2.0
t_PHL Delay Time
4.5
(Cn - Cn+xyz)
6.0
62 135
170
205
17 27
34
41
ns
13 23
29
35
CIN Input Capacitance
5
10
10
10 pF
CPD (*) Power Dissipation
61
Capacitance
pF
(*) CPD is defined as the value of the IC’s internal equivalent capacitance which is calculated from the operating current consumption without load.
(Refer to Test Circuit). Average operting current can be obtained by the following equation. ICC(opr) = CPD •VCC •fIN + ICC/2 (per FLIP/FLOP)
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