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SN74BCT899 Folha de dados(PDF) 5 Page - Texas Instruments

Nome de Peças SN74BCT899
Descrição Electrónicos  9-BIT LATCHABLE TRANSCEIVER WITH PARITY GENERATOR/CHECKER
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Fabricante Electrônico  TI1 [Texas Instruments]
Página de início  http://www.ti.com
Logo TI1 - Texas Instruments

SN74BCT899 Folha de dados(HTML) 5 Page - Texas Instruments

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SN74BCT899
9BIT LATCHABLE TRANSCEIVER
WITH PARITY GENERATOR/CHECKER
SCBS253 − JUNE 1992 − REVISED NOVEMBER 1993
2−5
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP†
MAX
UNIT
VIK
VCC = 4.5 V,
II = −18 mA
−1.2
V
VCC = 4.75 V,
IOH = −1 mA
2.7
3.4
A1 − A8, APAR, ERRA, ERRB
VCC = 4.5 V
IOH = −1 mA
2.5
3.4
A1 − A8, APAR, ERRA, ERRB
VCC = 4.5 V
IOH = − 3 mA
2.4
3.3
VOH
VCC = 4.75 V,
IOH = − 3 mA
2.7
3.4
V
B1 − B8, BPAR
IOH = − 3 mA
2.4
3.4
B1 − B8, BPAR
VCC = 4.5 V
IOH = −12 mA
VCC = 4.5 V
IOH = −15 mA
2
3.1
A1 − A8, APAR, ERRA, ERRB
IOL = 20 mA
VOL
A1 − A8, APAR, ERRA, ERRB
VCC = 4.5 V
IOL = 24 mA
0.35
0.5
V
VOL
B1 − B8, BPAR
VCC = 4.5 V
IOL = 48 mA
V
B1 − B8, BPAR
IOL = 64 mA
0.42
0.55
II‡
VCC = 5.5 V,
VI = 5.5 V
100
µA
IIH‡
VCC = 5.5 V,
VI = 2.7 V
20
µA
IIL‡
VCC = 5.5 V,
VI = 0.5 V
−20
µA
IOS§
A1 − A8, APAR, ERRA, ERRB
VCC = 5.5 V,
VO = 0
−60
−150
mA
IOS§
B1 − B8, BPAR
VCC = 5.5 V,
VO = 0
−100
− 225
mA
Outputs high
A to B
0.5
2
Outputs high
B to A
0.5
2
Outputs low
A to B
43
69
ICC
Outputs low
B to A
VCC = 5.5 V,
Outputs open
22
34
mA
ICC
Outputs disabled, ERR outputs low
A to B
VCC = 5.5 V,
Outputs open
6
10
mA
Outputs disabled, ERR outputs low
B to A
6
10
Outputs disabled, ERR outputs high
A to B
0.5
2
Outputs disabled, ERR outputs high
B to A
0.5
2
Ci
VCC = 5 V,
VI = 0.5 V
6.5
pF
Cio
A ports
VCC = 5 V,
VO = 0.5 V
10.5
pF
Cio
B ports
VCC = 5 V,
VO = 0.5 V
12.5
pF
† All typical values are at VCC = 5 V, TA = 25°C.
‡ For I/O ports, the parameters IIH and IIL include the off-state output current.
§ Not more than one output should be tested at a time, and the duration of the test should not exceed one second.
timing requirements over recommended ranges of supply voltage and operating free-air
temperature (unless otherwise noted)
VCC = 5 V,
TA = 25°C
MIN
MAX
UNIT
MIN
MAX
MIN
MAX
UNIT
tw
Pulse duration
5
5
ns
tsu
Setup time before LE
Data high or low
4.5
4.5
ns
th
Hold time after LE
Data high or low
1.5
1.5
ns


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