74ABT899 Ver la hoja de datos (PDF) - Philips Electronics
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74ABT899
Philips Electronics
74ABT899 Datasheet PDF : 16 Pages
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Philips Semiconductors
9-bit dual latch transceiver with 8-bit parity
generator/checker (3-State)
Product specification
74ABT899
AC CHARACTERISTICS
GND = 0V; tR = tF = 2.5ns; CL = 50pF, RL = 500Ω
SYMBOL
PARAMETER
WAVEFORM
tPLH
Propagation delay
tPHL
An to Bn or Bn to An
tPLH
Propagation delay
tPHL
An to BPAR or Bn to APAR
tPLH
Propagation delay
tPHL
An to ERRA or Bn to ERRB
tPLH
Propagation delay
tPHL
APAR to BPAR or BPAR to APAR
tPLH
Propagation delay
tPHL
APAR to ERRA or BPAR to ERRB
tPLH
Propagation delay
tPHL
ODD/EVEN to APAR or BPAR
tPLH
Propagation delay
tPHL
ODD/EVEN to ERRA or ERRB
tPLH
Propagation delay
tPHL
SEL to APAR or BPAR
tPLH
Propagation delay
tPHL
SEL to ERRA or ERRB
tPLH
Propagation delay
tPHL
LEA to Bn or LEB to An
tPLH
Propagation delay
tPHL
LEA to BPAR or LEB to APAR
tPLH
Propagation delay
tPHL
LEA to ERRA or LEB to ERRB
tPZH
Output enable time
tPZL
OEA to An, APAR or OEB to Bn, BPAR
tPHZ
Output disable time
tPLZ
OEA to An, APAR or OEB to Bn, BPAR
AC SETUP REQUIREMENTS
GND = 0V; tR = tF = 2.5ns; CL = 50pF, RL = 500Ω
1
2
3
1
6
5
4
8
8
9
9
7
11, 12
11, 12
SYMBOL
PARAMETER
WAVEFORM
ts(H)
ts(L)
Setup time, High or Low
An, APAR to LEA or Bn, BPAR to LEB
10
th(H)
th(L)
Hold time, High or Low
An, APAR to LEA or Bn, BPAR to LEB
10
tw(H)
Pulse width, High
LEA or LEB
10
LIMITS
Tamb = +25oC
VCC = +5.0V
CL = 50pF
RL = 500Ω
Min
Typ
Max
Tamb = –40 to +85oC
VCC = +5.0V ±10%
CL = 50pF
RL = 500Ω
Min
Max
1.0
3.2
4.5
1.0
4.9
1.0
2.7
4.1
1.0
4.6
3.0
6.0
7.5
3.0
9.0
2.5
6.4
7.9
2.5
8.8
2.8
6.0
8.0
2.8
9.1
2.8
6.7
8.5
2.8
9.3
2.0
4.0
5.2
2.0
5.7
1.3
3.2
4.4
1.3
5.0
1.5
4.2
5.4
1.5
6.0
1.5
4.0
5.4
1.5
6.1
2.6
5.5
6.8
2.6
8.1
2.5
5.3
6.7
2.5
7.8
2.3
5.4
6.8
2.3
7.9
2.6
5.7
7.2
2.6
8.4
1.3
4.1
5.2
1.3
6.0
1.4
4.1
5.3
1.4
5.9
3.7
6.8
8.3
3.7
9.8
5.1
8.3
9.7
5.1
11.0
1.0
3.2
4.4
1.0
4.9
1.0
3.1
4.5
1.0
5.0
2.0
6.8
8.3
2.0
9.7
1.7
6.3
7.9
1.7
9.0
2.0
6.3
8.3
2.0
9.6
2.0
7.1
9.2
2.0
10.3
1.0
3.0
4.3
1.0
5.1
1.0
3.4
4.8
1.0
5.4
1.0
3.4
4.7
1.0
5.5
0.5
3.0
4.2
0.5
4.7
UNIT
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
LIMITS
Tamb = +25oC
VCC = +5.0V
CL = 50pF
RL = 500Ω
Min
Typ
Max
Tamb = –40 to +85oC
VCC = +5.0V ±10%
CL = 50pF
RL = 500Ω
Min
Max
2.0
0.4
2.0
1.5
0.0
1.5
1.5
0.0
1.5
1.0
–0.2
1.0
UNIT
ns
ns
3.0
1.9
3.0
ns
1998 Jan 16
7
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