74HC253 Datasheet, PDF (5/7 Pages) NXP Semiconductors – Dual 4-input multiplexer; 3-state

Philips Semiconductors
Dual 4-input multiplexer; 3-state
Product specification
74HC/HCT253
DC CHARACTERISTICS FOR 74HC
For the DC characteristics see “74HC/HCT/HCU/HCMOS Logic Family Specifications”.
Output capability: bus driver
I_CC category: MSI
AC CHARACTERISTICS FOR 74HC
GND = 0 V; t_r = t_f = 6 ns; C_L = 50 pF
T_amb (°C)
TEST CONDITIONS
SYMBOL PARAMETER
74HC
+25
−40 to +85
−40
UNIT _VCC WAVEFORMS
to +125
(V)
min. typ. max. min. max. min. max.
t_PHL/ t_PLH
t_PHL/ t_PLH
propagation delay
1I_n to nY;
2I_n to nY
propagation delay
S_n to nY
55 175
220
20 35
44
16 30
37
58 175
220
21 35
44
17 30
37
t_PZH/ t_PZL 3-state output enable time
30 100
125
nOE to nY
11 20
25
9 17
21
t_PHZ/ t_PLZ 3-state output disable time
41 150
190
nOE to nY
15 30
38
12 26
33
t_THL/ t_TLH output transition time
14 60
75
5 12
15
4 10
13
265 ns
53
45
265 ns
53
45
150 ns
30
26
225 ns
45
38
90 ns
18
15
2.0 Fig.6
4.5
6.0
2.0 Fig.6
4.5
6.0
2.0 Fig.7
4.5
6.0
2.0 Fig.7
4.5
6.0
2.0 Fig.6
4.5
6.0
December 1990
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