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參數(shù)資料
| 型號(hào)： | SN54LS173AFK |
| 廠商： | Texas Instruments, Inc. |
| 元件分類： | 通用總線功能 |
| 英文描述： | 4-BIT D-TYPE REGISTERS WITH 3-STATE OUTPUTS |
| 中文描述： | 4位D -型三冊(cè)態(tài)輸出 |
| 文件頁數(shù)： | 7/19頁 |
| 文件大?。?/td> | 562K |
| 代理商： | SN54LS173AFK |
SN54173, SN54LS173A, SN74173, SN74LS173A
4-BIT D-TYPE REGISTERS
WITH 3-STATE OUTPUTS
SDLS067A – OCTOBER 1976 – REVISED JUNE 1999
7
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
recommended operating conditions
SN54LS173A
MIN
NOM
SN74LS173A
MIN
NOM
UNIT
MAX
MAX
VCC
IOH
IOL
TA
Supply voltage
4.5
5
5.5
4.75
5
5.25
V
High-level output current
–1
–2.6
mA
Low-level output current
12
24
mA
°
C
Operating free-air temperature
–55
125
0
70
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
SN54LS173A
MIN
TYP
SN74LS173A
MIN
TYP
UNIT
UNIT
MAX
MAX
VIH
VIL
VIK
High-level input voltage
2
2
V
Low-level input voltage
0.7
0.8
V
Input clamp voltage
VCC = MIN,
VCC = MIN,
VIL = VILmax,
II = –18 mA
VIH = 2 V,
IOH = MAX
IOL = 12 mA
IOL = 24 mA
VO = 2.7 V
VO = 0.4 V
–1.5
–1.5
V
VOH
High-level output voltage
2.4
3.4
2.4
3.1
V
VOL
Low level output voltage
Low-level output voltage
VCC = MIN,
VIL = 0.8 V,
0.25
0.4
0.25
0.4
V
0.35
0.5
V
IO( ff)
IO(off)
Off-state (high-impedance state)
( g
output current
VCC = MAX,
VIH = 2 V
20
20
V
–20
–20
II
Input current
at maximum input voltage
VCC = MAX,
VI = 7 V
0.1
0.1
mA
IIH
IIL
IOS
ICC
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.
High-level input current
VCC = MAX,
VCC = MAX,
VCC = MAX
VCC = MAX,
VI = 2.7 V
VI = 0.4 V
20
20
μ
A
mA
Low-level input current
Short-circuit output current§
–0.4
–0.4
–30
–130
–30
–130
mA
Supply current
See Note 4
19
30
19
24
mA
timing requirements over recommended operating conditions (unless otherwise noted)
SN54LS173A
MIN
SN74LS173A
MIN
UNIT
MAX
MAX
fclock
tw
Input clock frequency
30
25
MHz
Pulse duration
CLK or CLR
25
25
ns
Data enable (G1, G2)
35
35
tsu
Setup time
Data
17
17
ns
CLR (inactive state)
10
10
th
Hold time
Data enable (G1, G2)
Data
0
3
0
3
ns
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| SN74LS173ANSR | 4-BIT D-TYPE REGISTERS WITH 3-STATE OUTPUTS |
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| SN54173W | 4-BIT D-TYPE REGISTERS WITH 3-STATE OUTPUTS |
| SN54LS173A | 4-BIT D-TYPE REGISTER WITH 3-STATE OUTPUTS |
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