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SN74BCT29843 Datasheet, PDF (3/5 Pages) Texas Instruments – 9-BIT BUS-INTERFACE D-TYPE LATCH WITH 3-STATE OUTPUTS | |||
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SN74BCT29843
9-BIT BUS-INTERFACE D-TYPE LATCH
WITH 3-STATE OUTPUTS
SCBS022C â FEBRUARY 1989 â REVISED NOVEMBER 1993
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
MIN TYPâ MAX UNIT
VIK
VCC = 4.5 V,
II = â18 mA
â1.2 V
VOH
VCC = 4.5 V
IOH = â 15 mA
IOH = â 24 mA
2.4 3.2
V
2
VOL
VCC = 4.5 V,
IOL = 48 mA
0.35 0.55 V
II
VCC = 5.5 V,
VI = 7 V
0.1 mA
IIH
VCC = 5.5 V,
VI = 2.7 V
â10
â75 µA
IIL
IOSâ¡
VCC = 5.5 V,
VCC = 5.5 V,
VI = 0.4 V
VO = 0
â 0.2 mA
â75
â 275 mA
ICCL
VCC = 5.5 V,
Outputs open
24
35 mA
ICCH
VCC = 5.5 V,
Outputs open
3
7 mA
ICCZ
VCC = 5.5 V,
Outputs open
â All typical values are at VCC = 5 V, TA = 25°C.
â¡ Not more than one output should be tested at a time, and the duration of the test should not exceed one second.
3
7 mA
timing requirements over recommended ranges of supply voltage and operating free-air
temperature (unless otherwise noted)
tw
Pulse duration
tsu
Setup time, data before LEâ
th
Hold time, data after LEâ
PRE low
CLR low
LE high
High or low
PRE or CLR inactive
High or low
MIN MAX UNIT
7
5
ns
4
1.5
ns
2
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
MIN TYP MAX
MIN MAX UNIT
tPLH
D
Q
tPHL
tPLH
LE
Q
tPHL
tPLH
PRE
Q
tPHL
tPLH
CLR
Q
tPHL
tPZH
OE
Q
tPZL
tPHZ
OE
Q
tPLZ
NOTE 2: Load circuits and voltage waveforms are shown in Section 1.
1.5 4.5
1.5 5.7
1.5
6
1.5
6
1.5
6
1.5
6
1.5
6
1.5
6
2
10
2
10
2
5
2
5
7 1.5
8 1.5
8 1.5
8 1.5
8 1.5
10 1.5
10 1.5
10 1.5
13
2
13
2
7
2
7
2
8
ns
9
10
ns
10
12
ns
12
12
ns
12
15
ns
15
8
ns
8
⢠POST OFFICE BOX 655303 DALLAS, TEXAS 75265
2â3
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