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SN74173 Datasheet(PDF) 5 Page - Texas Instruments

Part # SN74173
Description  4-BIT D-TYPE REGISTERS WITH 3-STATE OUTPUTS
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

SN74173 Datasheet(HTML) 5 Page - Texas Instruments

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SN54173, SN54LS173A, SN74173, SN74LS173A
4-BIT D-TYPE REGISTERS
WITH 3-STATE OUTPUTS
SDLS067A – OCTOBER 1976 – REVISED JUNE 1999
5
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
recommended operating conditions (see Note 3)
SN54173
SN74173
UNIT
MIN
NOM
MAX
MIN
NOM
MAX
UNIT
VCC
Supply voltage
4.5
5
5.5
4.75
5
5.25
V
IOH
High-level output current
–2
–5.2
mA
IOL
Low-level output current
16
16
mA
TA
Operating free-air temperature
–55
125
0
70
°C
NOTE 3: All unused inputs of the device must be held at VCC or GND to ensure proper device operation. Refer to the TI application report,
Implications of Slow or Floating CMOS Inputs, literature number SCBA004.
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS†
SN54173
SN74173
UNIT
PARAMETER
TEST CONDITIONS†
MIN
TYP‡
MAX
MIN
TYP‡
MAX
UNIT
VIH
High-level input voltage
2
2
V
VIL
Low-level input voltage
0.8
0.8
V
VIK
Input clamp voltage
VCC = MIN,
II = –12 mA
–1.5
–1.5
V
VOH
High-level output voltage
VCC = MIN,
VIL = 0.8 V,
VIH = 2 V,
IOH = MAX
2.4
2.4
V
VOL
Low-level output voltage
VCC = MIN,
VIL = 0.8 V,
VIH = 2 V,
IOL = 16 mA
0.4
0.4
V
IO( ff)
Off-state (high-impedance state)
VCC = MAX,
VO = 2.4 V
150
40
µA
IO(off)
(g
)
output current
CC
,
VIH = 2 V
VO = 0.4 V
–150
–40
µA
II
Input current
at maximum input voltage
VCC = MAX,
VI = 5.5 V
1
1
mA
IIH
High-level input current
VCC = MAX,
VI = 2.4 V
40
40
µA
IIL
Low-level input current
VCC = MAX,
VI = 0.4 V
–1.6
–1.6
mA
IOS
Short-circuit output current§
VCC = MAX
–30
–70
–30
–70
mA
ICC
Supply current
VCC = MAX,
See Note 4
50
72
50
72
mA
† For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions.
‡ All typical values are at VCC = 5 V, TA = 25°C.
§ Not more than one output should be shorted at a time.
NOTE 4: ICC is measured with all outputs open; CLR grounded, following momentary connection to 4.5 V, N, G1, G2, and all data inputs grounded;
and CLK and M at 4.5 V.
timing requirements over recommended operating conditions (unless otherwise noted)
SN54173
SN74173
UNIT
MIN
MAX
MIN
MAX
UNIT
fclock
Input clock frequency
25
25
MHz
tw
Pulse duration
CLK or CLR
20
20
ns
Data enable (G1, G2)
17
17
tsu
Setup time
Data
10
10
ns
CLR (inactive state)
10
10
th
Hold time
Data enable (G1, G2)
2
2
ns
th
Hold time
Data
10
10
ns


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