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SN74BCT29841 Datasheet(Fiches technique) 4 Page - Texas Instruments

Numéro de pièce SN74BCT29841
Description  10-BIT BUS-INTERFACE D-TYPE LATCHES WITH 3-STATE OUTPUTS
Télécharger  5 Pages
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Fabricant  TI [Texas Instruments]
Site Internet  http://www.ti.com
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SN54BCT29841, SN74BCT29841
10-BIT BUS-INTERFACE D-TYPE LATCHES
WITH 3-STATE OUTPUTS
SCBS024C – MARCH 1989 – REVISED NOVEMBER 1993
2–4
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
SN54BCT29841
SN74BCT29841
UNIT
PARAMETER
TEST CONDITIONS
MIN
TYP†
MAX
MIN
TYP†
MAX
UNIT
VIK
VCC = 4.5 V,
II = –18 mA
–1.2
–1.2
V
VOH
VCC =4 5V
IOH = – 15 mA
2.4
2.4
V
VOH
VCC = 4.5 V
IOH = – 24 mA
2
V
VOL
VCC =4 5V
IOL = 24 mA
0.35
0.55
V
VOL
VCC = 4.5 V
IOL = 48 mA
0.42
0.55
V
II
VCC = 5.5 V,
VI = 7 V
0.1
0.1
mA
IIH
VCC = 5.5 V,
VI = 2.7 V
–10
–75
–10
–75
µA
IIL
VCC = 5.5 V,
VI = 0.5 V
– 0.2
– 0.2
mA
IOS‡
VCC = 5.5 V,
VO = 0
–75
– 275
–75
– 275
mA
IOZH
VCC = 5.5 V,
VO = 2.7 V
20
20
µA
IOZL
VCC = 5.5 V,
VO = 0.5 V
–20
–20
µA
ICCL
VCC = 5.5 V,
Outputs open
3
7
3
7
mA
ICCH
VCC = 5.5 V,
Outputs open
24
35
24
35
mA
ICCZ
VCC = 5.5 V,
Outputs open
3
7
3
7
mA
Ci
VCC = 5 V,
VI = 2.5 V or 0.5 V
5.5
5.5
pF
Co
VCC = 5 V,
VO = 2.5 V or 0.5 V
8
8
pF
† All typical values are at VCC = 5 V, TA = 25°C.
‡ 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
SN54BCT29841
SN74BCT29841
UNIT
MIN
MAX
MIN
MAX
MIN
MAX
tw
Pulse duration, LE high or low
4
4
4
ns
tsu
Setup time, data before LE
2
2
2
ns
th
Hold time data after LE
High
1.5
1.5
1.5
ns
th
Hold time, data after LE
Low
3.5
3.5
3.5
ns
switching characteristics over recommended ranges of supply voltage and operating free-air
temperature, CL = 50 pF (unless otherwise noted) (see Note 2)
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
VCC = 5 V,
TA = 25°C
SN54BCT29841
SN74BCT29841
UNIT
(INPUT)
(OUTPUT)
MIN
TYP
MAX
MIN
MAX
MIN
MAX
tPLH
D
Q
1.8
4.7
6.7
1.8
8.1
1.8
7.5
ns
tPHL
D
Q
2
5
7.3
2
9.1
2
8.6
ns
tPLH
LE
Q
2.5
5.4
7.6
2.5
9.3
2.5
8.6
ns
tPHL
LE
Q
2.7
5.4
7.5
2.7
8.7
2.7
8.1
ns
tPZH
OE
Q
1.8
5.3
7.4
1.8
9.2
1.8
9.2
ns
tPZL
OE
Q
4.4
8.1
10.6
4.4
13.4
4.4
12.8
ns
tPHZ
OE
Q
2.6
4.9
6.9
2.6
7.7
2.6
6.9
ns
tPLZ
OE
Q
1.6
4.4
6.3
1.6
7.7
1.6
6.9
ns
NOTE 2: Load circuits and voltage waveforms are shown in Section 1.




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