參數(shù)資料
型號: 935203250112
廠商: NXP SEMICONDUCTORS
元件分類: 總線收發(fā)器
英文描述: ABT SERIES, 20 1-BIT DRIVER, TRUE OUTPUT, PDSO56
封裝: 6.10 MM, PLASTIC, MO-153, SOT-364-1, TSSOP2-56
文件頁數(shù): 8/11頁
文件大小: 119K
代理商: 935203250112
Philips Semiconductors
Product data
74ABT16821A
74ABTH16821A
20-bit bus-interface D-type flip-flop;
positive-edge trigger (3-State)
2002 Dec 13
6
AC CHARACTERISTICS
GND = 0 V, tR = tF = 2.5 ns, CL = 50 pF, RL = 500
LIMITS
SYMBOL
PARAMETER
WAVEFORM
Tamb = +25 °C
VCC = +5.0 V
Tamb = –40 °C to +85 °C
VCC = +5.0 V ±0.5V
UNIT
MIN
TYP
MAX
MIN
MAX
fMAX
Maximum clock frequency
1
160
250
160
MHz
tPLH
tPHL
Propagation delay
nCP to nQx
1
1.3
1.1
2.4
2.0
3.3
2.6
1.3
1.1
3.7
3.0
ns
tPZH
tPZL
Output enable time
to HIGH and LOW level
3
4
1.4
1.2
2.5
2.3
3.3
3.0
1.4
1.2
4.1
3.7
ns
tPHZ
tPLZ
Output disable time
from HIGH and LOW level
3
4
1.6
1.3
3.2
2.3
4.1
3.1
1.6
1.3
4.8
3.3
ns
AC SETUP REQUIREMENTS
GND = 0V, tR = tF = 2.5ns, CL = 50pF, RL = 500
LIMITS
SYMBOL
PARAMETER
WAVEFORM
Tamb = +25 °C
VCC = +5.0 V
Tamb = –40 °C to +85 °C
VCC = +5.0 V ±0.5 V
UNIT
MIN
TYP
MIN
MAX
ts(H)
ts(L)
Set-up time, HIGH or LOW
nDx to nCP
2
1.8
1.2
–0.9
1.8
ns
th(H)
th(L)
Hold time, HIGH or LOW
nDx to nCP
2
1.0
0.8
–1.0
1.0
ns
tw(H)
tw(L)
nCP pulse width
HIGH or LOW
1
2.5
0.8
1.0
2.5
ns
AC WAVEFORMS
VM
SH00005
nCP
nQx
VM
tw(H)
tPHL
VM
tPLH
1/fMAX
VM
tw(L)
0V
VOH
VOL
3.0V or VCC
whichever
is less
Waveform 1. Propagation Delay, Clock Input to Output,
Clock Pulse Width, and Maximum Clock frequency
th(H)
ts(H)
CP
SH00006
VM
th(L)
ts(L)
nDx
0V
3.0V or VCC
whichever
is less
3.0V or VCC
whichever
is less
Waveform 2. Data Set-up and Hold Times
VY
VM
nQx
tPZH
tPHZ
SH00007
nOE
0V
VOH
0V
3.0V or VCC
whichever
is less
Waveform 3. 3-State Output Enable Time to HIGH Level
and Output Disable Time from HIGH Level
VX
VM
nQx
tPZL
tPLZ
SH00008
nOE
VOL
0V
3.0V or VCC
whichever
is less
Waveform 4. 3-State Output Enable Time to LOW Level
and Output Disable Time from LOW Level
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