74HC40105 Datasheet, PDF (7/25 Pages) NXP Semiconductors – 4-bit x 16-word FIFO register

Philips Semiconductors
4-bit x 16-word FIFO register
Product specification
74HC/HCT40105
DC CHARACTERISTICS FOR 74HC
For the DC characteristics see “74HC/HCT/HCU/HCMOS Logic Family Specifications”.
Output capability: standard
I_CC category: MSI
AC CHARACTERISTICS FOR 74HC
GND = 0 V; t_f = t_f = 6 ns; C_L = 50 pF
T_amb (°C)
TEST CONDITIONS
SYMBOL PARAMETER
74HC
+25
−40 to +85
min. typ. max. min. max.
−40 to +125
min. max.
UNIT _VCC WAVEFORMS
(V)
t_PHL/ t_PLH propagation delay
MR to DIR, DOR
t_PHL
propagation delay
SI to DIR
t_PHL
propagation delay
SO to DOR
52 175
220
265 ns 2.0 Fig.8
19 35
44
53
4.5
15 30
37
45
6.0
52 210
265
315 ns 2.0 Fig.6
19 42
53
63
4.5
15 36
45
54
6.0
55 210
265
315 ns 2.0 Fig.9
20 42
53
63
4.5
16 36
45
54
6.0
t_PHL/ t_PLH propagation delay
SO to Q_n
116 400
500
600 ns 2.0 Fig.14
42 80
100
120
4.5
34 68
85
102
6.0
t_PLH
propagation delay/
ripple through delay
SI to DOR
t_PLH
propagation delay/
bubble-up delay
SO to DIR
t_PZH/ t_PZL 3-state output enable time
OE to Q_n
t_PHZ/ t_PLZ 3-state output disable
time
OE to Q_n
t_THL/ t_TLH output transition time
t_W
SI pulse width
80
HIGH or LOW
16
14
564 2000
205 400
165 340
701 2500
255 500
204 425
41 150
15 30
12 26
41 140
15 28
12 24
19 75
7 15
6 13
19
100
7
20
6
17
2500
500
425
3125
625
532
190
38
33
175
35
30
95
19
16
120
24
20
3000 ns
600
510
3750 ns
750
638
225 ns
45
38
210 ns
42
36
110 ns
22
19
ns
2.0 Fig.10
4.5
6.0
2.0 Fig.7
4.5
6.0
2.0 Fig.16
4.5
6.0
2.0 Fig.16
4.5
6.0
2.0 Fig.14
4.5
6.0
2.0 Fig.6
4.5
6.0
1998 Jan 23
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