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74ABT16823A Datasheet PDF : 12 Pages
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Philips Semiconductors
18-bit bus-interface D-type flip-flop
with reset and enable (3-State)
Product data
74ABT16823A
AC CHARACTERISTICS
GND = 0 V, tR = tF = 2.5 ns, CL = 50 pF, RL = 500 Ω
SYMBOL
PARAMETER
WAVEFORM
fMAX
Maximum clock frequency
1
tPLH
Propagation delay
tPHL
nCP to nQx
1
tPHL
Propagation delay
nMR to nQx
2
tPZH
Output enable time
4
tPZL
to HIGH and LOW level
5
tPHZ
Output disable time
4
tPLZ
from HIGH and LOW level
5
AC SET-UP REQUIREMENTS
GND = 0 V, tR = tF = 2.5 ns, CL = 50 pF, RL = 500 Ω
SYMBOL
PARAMETER
WAVEFORM
ts(H)
ts(L)
Set-up time, HIGH or LOW
nDx to nCP
3
th(H)
th(L)
Hold time, HIGH or LOW
nDx to nCP
3
tw(H)
tw(L)
nCP pulse width
HIGH or LOW
1
ts(H)
ts(L)
Set-up time, HIGH or LOW
nCE to nCP
3
th(H)
th(L)
Hold time, HIGH or LOW
nCE to nCP
3
tw(L)
nMR pulse width, LOW
2
trec
Recovery time
nMR to nCP
2
LIMITS
Tamb = +25 °C
VCC = + 5.0 V
MIN
TYP MAX
Tamb = –40 °C to +85 °C
VCC = +5.0 V ± 0.5 V
MIN
MAX
140
190
–
140
1.4
2.3
3.2
1.4
3.7
1.2
1.9
2.6
1.2
2.9
2.0
3.3
4.3
2.0
5.0
1.3
2.4
3.2
1.3
3.9
1.2
2.1
2.9
1.2
3.4
1.7
2.9
4.0
1.7
4.7
1.6
2.3
3.2
1.6
3.4
UNIT
MHz
ns
ns
ns
ns
LIMITS
Tamb = +25 °C
VCC = + 5.0 V
MIN
TYP
Tamb = –40 °C to +85 °C
VCC = +5.0 V ± 0.5V
MIN
2.0
1.3
2.0
1.5
0.9
1.5
1.5
–0.9
1.5
1.5
–1.2
1.5
3.3
1.7
3.3
3.3
1.7
3.3
1.5
0.9
1.5
2.0
0.9
2.0
1.5
–0.8
1.5
1.5
–0.9
1.5
3.0
1.7
3.0
2.5
1.0
2.5
UNIT
ns
ns
ns
ns
ns
ns
ns
2004 Feb 02
7
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