74ABT899 查看數據表（PDF） - Fairchild Semiconductor
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74ABT899 Datasheet PDF : 16 Pages
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AC Electrical Characteristics
(SSOP Package)
Symbol
Parameter
tPLH
Propagation Delay
tPHL
An, to Bn
tPLH
Propagation Delay
tPHL
An, Bn to BPAR, APAR
tPLH
Propagation Delay
tPHL
An, Bn to ERRA, ERRB
tPLH
Propagation Delay
tPHL
APAR, BPAR to ERRA, ERRB
tPLH
Propagation Delay
tPHL
ODD/EVEN to APAR, BPAR
tPLH
Propagation Delay
tPHL
ODD/EVEN to ERRA, ERRB
tPLH
Propagation Delay
tPHL
SEL to APAR, BPAR
tPLH
Propagation Delay
tPHL
LEA, LEB to Bn, An
tPLH
Propagation Delay
tPHL
LEA, LEB to BPAR, APAR
Generate Mode
tPLH
Propagation Delay
tPHL
LEA, LEB to BPAR, APAR,
Feed Thru Mode
tPLH
Propagation Delay
tPHL
LEA, LEB to ERRA, ERRB
tPZH
Output Enable Time
tPZL
GBA or GAB to An,
APAR or Bn, BPAR
tPHZ
Output Disable Time
tPLZ
GBA or GAB to An,
APAR or Bn, BPAR
tPLH
Propagation Delay
tPHL
APAR to BPAR, BPAR to APAR
AC Operating Requirements
Symbol
Parameter
tS(H)
tS(L)
tH(H)
tH(L)
tW(H)
Setup Time, HIGH or LOW An,
APAR to LEA or Bn, BPAR to LEB
Hold Time, HIGH or LOW An,
APAR to LEA or Bn, BPAR to LEB
Pulse Width, HIGH
LEA or LEB
TA = +25°C
VCC = +5.0V
CL = 50 pF
Min
Typ
Max
1.5
3.0
5.3
1.5
3.5
5.3
2.5
5.9
9.9
2.5
5.8
9.9
2.5
5.4
9.4
2.5
5.4
9.4
1.5
3.7
6.5
1.5
3.7
6.5
2.0
4.4
7.4
2.0
4.4
7.4
1.8
4.0
6.5
1.8
4.0
6.5
1.5
3.8
6.5
1.5
3.8
6.5
1.5
3.2
5.1
1.5
3.2
5.1
2.5
5.9
9.2
2.5
5.7
9.2
1.5
3.6
5.6
1.5
3.6
5.6
1.6
5.4
8.9
1.6
5.4
8.9
1.5
3.6
6.5
1.5
3.4
6.5
1.0
4.0
6.5
1.0
3.3
6.5
1.5
3.3
5.9
1.5
3.8
5.9
TA = −40°C to +85°C
VCC = 4.5V–5.5V
CL = 50 pF
Min
Max
1.5
5.3
1.5
5.3
2.5
9.9
2.5
9.9
2.5
9.4
2.5
9.4
1.5
6.5
1.5
6.5
2.0
7.4
2.0
7.4
1.8
6.5
1.8
6.5
1.5
6.5
1.5
6.5
1.5
5.1
1.5
5.1
2.5
9.2
2.5
9.2
1.5
5.6
1.5
5.6
1.6
8.9
1.6
8.9
1.5
6.5
1.5
6.5
1.0
6.5
1.0
6.5
1.5
5.9
1.5
5.9
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
TA = +25°C
VCC = +5.0V
CL = 50 pF
Min
Max
1.5
1.5
1.0
1.0
3.0
TA = −40°C to +85°C
VCC = 4.5V–5.5V
CL = 50 pF
Min
Max
1.5
1.5
1.0
1.0
3.0
Units
ns
ns
ns
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