74F225 View Datasheet(PDF) - Philips Electronics
Part Name
Description
Manufacturer
74F225 Datasheet PDF : 14 Pages
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Philips Semiconductors
16 × 5 asynchronous FIFO (3-State)
Product specification
74F225
AC ELECTRICAL CHARACTERISTICS
SYMBOL
PARAMETER
fMAX
tPLH
tPHL
tPLH
tPHL
tSK
tPLH
tPLH
tPLH
tPHL
tw(L)
tPHL
tPHL
tPHL
tPZH
tPZL
tPHZ
tPLZ
Maximum clock frequency,
Cascade mode
Propagation delay
UNCPIN to Qn
Propagation delay
UNCPIN to OR
Output skew
Qn to OR ↑
Propagation delay
UNCPIN to IR
Propagation delay
CPA or CPB to OR
Propagation delay
CPA or CPB to UNCPOUT
Pulse width, Low
UNCPOUT
Propagation delay
CPA or CPB to IR
Propagation delay
MR to OR
Propagation delay
MR to IR
Output enable time to
High or Low level
Output disable time from
High or Low level
AC SETUP REQUIREMENTS
SYMBOL
PARAMETER
ts(H)
ts(L)
th(H)
th(L)
trec
tw(H)
tw(L)
tw(L)
tw(L)
Setup time, High or Low
Dn to CPA or CPB
Hold time, High or Low
Dn to CPA or CPB
Recovery time
MR to CPA or CPB
CPA or CPB pulse width,
High or Low
UNCPIN pulse width,
High or Low
MR pulse width, Low
TEST
CONDITION
Waveform 2 and 3
Waveform 2
Waveform 2
Waveform 4
Waveform 2
Waveform 4
Waveform 4
Waveform 4
Waveform 3
Waveform 3
Waveform 3
Waveform 5
Waveform 6
Waveform 5
Waveform 6
LIMITS
Tamb = +25°C
VCC = +5.0V
CL = 50pF, RL = 500Ω
Tamb = 0°C to +70°C
VCC = +5.0V ± 10%
CL = 50pF, RL = 500Ω
MIN TYP MAX
MIN
MAX
UNIT
25
25
MHz
10.0 13.0 19.5
9.0
9.5 12.0 16.0
8.5
16.0 20.0 25.0
14.0
6.0
8.5 11.0
5.0
22.0
19.0
ns
29.0
12.0
ns
2.0
12.0
0.0
15.0
ns
50
60
70
50
85
ns
55
65
75
50
20.0 23.0 27.0
17.0
8.5 11.5 15.0
7.5
12.0
90
ns
29.0
16.0
ns
ns
11.0 13.5 17.0
9.0
19.0
ns
5.5
8.5 11.5
5.0
13.0
ns
2.0
4.0
7.0
1.5
1.5
3.5
6.5
1.0
2.5
4.5
7.5
2.0
1.5
3.5
7.0
1.0
2.0
4.0
7.0
1.5
7.5
ns
7.0
9.0
ns
7.5
7.5
ns
TEST
CONDITION
Waveform 1
Waveform 1
Waveform 1
Waveform 1
Waveform 2
Waveform 1
LIMITS
Tamb = +25°C
VCC = +5.0V
CL = 50pF, RL = 500Ω
Tamb = 0°C to +70°C
VCC = +5.0V ± 10%
CL = 50pF, RL = 500Ω
MIN TYP MAX
MIN
MAX
0.0
0.0
0.0
0.0
14.0
16.5
12.5
14.0
0.0
0.0
6.5
8.5
3.0
3.5
24.0
28.0
3.5
4.0
3.5
4.5
UNIT
ns
ns
ns
ns
ns
ns
June 15, 1992
7
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