參數(shù)資料
型號(hào): 935066520112
廠商: NXP SEMICONDUCTORS
元件分類: 總線收發(fā)器
英文描述: ABT SERIES, OCTAL 1-BIT REGISTERED TRANSCEIVER, INVERTED OUTPUT, PDSO24
封裝: PLASTIC, SSOP-24
文件頁數(shù): 6/8頁
文件大?。?/td> 97K
代理商: 935066520112
Philips Semiconductors Advanced BiCMOS Products
Product specification
74ABT544
Octal latched transceiver with dual enable,
inverting (3-State)
June 1, 1993
6
AC CHARACTERISTICS
GND = 0V, tR = tF = 2.5ns, CL = 50pF, RL = 500
LIMITS
SYMBOL
PARAMETER
WAVEFORM
Tamb = +25oC
VCC = +5.0V
Tamb = -40 to
+85oC
VCC = +5.0V ±0.5V
UNIT
Min
Typ
Max
Min
Max
tPLH
tPHL
Propagation delay
An to Bn, Bn to An
2
1.1
1.4
3.6
3.9
5.1
5.4
1.1
1.4
6.1
6.4
ns
tPLH
tPHL
Propagation delay
LEBA to An, LEAB to Bn
1, 2
1.6
2.1
4.1
4.6
5.6
6.1
1.6
2.1
6.6
7.1
ns
tPZH
tPZL
Output enable time
OEBA to An, OEAB to Bn
4
5
1.4
2.5
3.9
5.0
5.4
6.5
1.4
2.5
6.4
7.5
ns
tPHZ
tPLZ
Output disable time
OEBA to An, OEAB to Bn
4
5
2.5
1.0
5.9
5.5
7.4
7.0
3.4
3.0
8.4
8.0
ns
tPZH
tPZL
Output enable time
EBA to An, EAB to Bn
4
5
1.4
2.5
3.9
5.0
5.4
6.5
1.4
2.5
6.4
7.5
ns
tPHZ
tPLZ
Output disable time
EBA to An, EAB to Bn
4
5
2.5
1.0
5.9
5.5
7.4
7.0
3.4
3.0
8.4
8.0
ns
AC SETUP REQUIREMENTS
GND = 0V, tR = tF = 2.5ns, CL = 50pF, RL = 500
LIMITS
SYMBOL
PARAMETER
WAVEFORM
Tamb = +25oC
VCC = +5.0V
Tamb = -40 to +85oC
VCC = +5.0V ±0.5V
UNIT
Min
Typ
Min
ts(H)
ts(L)
Setup time
An to LEAB, Bn to LEBA
3
3.0
1.5
0.6
3.0
ns
th(H)
th(L)
Hold time
An to LEAB, Bn to LEBA
3
0.5
–0.3
–1.3
0.5
ns
ts(H)
ts(L)
Setup time
An to EAB, Bn to EBA
3
3.0
1.5
0.6
3.0
ns
th(H)
th(L)
Hold time
An to EAB, Bn to EBA
3
0.5
–0.2
–1.3
0.5
ns
tw(L)
Latch enable pulse width, Low
3
3.5
1.8
3.5
ns
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