74HC540D-T Datasheet, PDF (5/7 Pages) NXP Semiconductors – Octal buffer/line driver; 3-state inverting

Philips Semiconductors
Octal buffer/line driver; 3-state; inverting
Product specification
74HC/HCT540
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
SYMBOL PARAMETER
t_PHL/ t_PLH propagation delay
A_n to Y_n
t_PZH/ t_PZL
t_PHZ/ t_PLZ
t_THL/ t_TLH
3-state output
enable time
OE to Y_n
3-state output
disable time
OE to Y_n
output transition time
T_amb (°C)
TEST CONDITIONS
74HC
+25
−40 to +85
−40 to +125
UNIT
V_CC
(V)
WAVEFORMS
min. typ. max. min. max. min. max.
30 100
125
11 20
25
9 17
21
150 ns
30
26
2.0 Fig.6
4.5
6.0
52 160
200
19 32
40
15 27
34
240 ns
48
41
2.0 Fig.7
4.5
6.0
61 160
200
22 32
40
18 27
34
240 ns
48
41
2.0 Fig.7
4.5
6.0
14 60
75
5 12
15
4 10
13
90 ns
18
15
2.0 Fig.6
4.5
6.0
December 1990
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