74HC158 Quad 2-Input Multiplexer IC (74158 IC) DIP-16 Package

Parameter	Condition	Typical		Unit
Parameter	Condition	HC	HCT	Unit
Propagation delay (tPHL)	CL = 15 pF; VCC = 5 V
CP to Qn		19	21	ns
CP to TC		21	24	ns
MR to Qn		21	23	ns
MR to TC		21	26	ns
CET to TC		14	14	ns
propagation delay (tPLH)
CP to Qn		19	21	ns
CP to TC		21	20	ns
CET to TC		14	7	ns
maximum clock frequency (fmax)		61	31	MHz
input capacitance (C1)		3.5	3.5	pF
power dissipation capacitance per package (CPD)		3.9	34	pF