參數(shù)資料
型號(hào)： SN54AS174FK
廠商： TEXAS INSTRUMENTS INC
元件分類： 鎖存器
英文描述： AS SERIES, POSITIVE EDGE TRIGGERED D FLIP-FLOP, TRUE OUTPUT, CQCC20
封裝： CERAMIC, CC-20
文件頁數(shù)： 11/14頁
文件大?。?/td> 219K
代理商： SN54AS174FK
SN54ALS174, SN54ALS175, SN54AS174, SN54AS175B
SN74ALS174, SN74ALS175, SN74AS174, SN74AS175B
HEX/QUADRUPLE D-TYPE FLIP-FLOPS WITH CLEAR
SDAS207D - APRIL 1982 - REVISED MAY 1996
6
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
SN54AS174
SN54AS175B
SN74AS174
SN74AS175B
UNIT
MIN
TYP
MAX
MIN
TYP
MAX
VIK
VCC = 4.5 V,
II = –18 mA
–1.2
V
VOH
VCC = 4.5 V to 5.5 V,
IOH = –2 mA
VCC–2
V
VOL
VCC = 4.5 V,
IOL = 20 mA
0.35
0.5
0.35
0.5
V
II
VCC = 5.5 V,
VI = 7 V
0.1
mA
IIH
VCC = 5.5 V,
VI = 2.7 V
20
A
IIL
VCC = 5.5 V,
VI = 0.4 V
–0.5
mA
IO
VCC = 5.5 V,
VO = 2.25 V
–30
–112
–30
–112
mA
ICC
’AS174
VCC =5 5V
See Note 2
30
45
30
45
mA
ICC
’AS175B
VCC = 5.5 V,
See Note 2
22.5
34
22.5
34
mA
All typical values are at VCC = 5 V, TA = 25°C.
The output conditions have been chosen to produce a current that closely approximates one half of the true short-circuit output current, IOS.
NOTE 2: ICC is measured with D inputs, CLR, and CLK grounded.
switching characteristics (see Figure 1)
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
VCC = 4.5 V to 5.5 V,
CL = 50 pF,
RL = 500 ,
TA = MIN to MAX§
UNIT
(INPUT)
(OUTPUT)
SN54AS174
SN74AS174
MIN
MAX
MIN
MAX
fmax*
100
MHz
tPHL
CLR
Any Q
5
15
5
14
ns
tPLH
CLK
Any Q
3.5
9.5
3.5
8
ns
tPHL
CLK
Any Q
4.5
11.5
4.5
10
ns
* On products compliant to MIL-STD-883, Class B, these parameters are based on characterization data but are not production tested.
§ For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions.
switching characteristics (see Figure 1)
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
VCC = 4.5 V to 5.5 V,
CL = 50 pF,
RL = 500 ,
TA = MIN to MAX§
UNIT
(INPUT)
(OUTPUT)
SN54AS175B
SN74AS175B
MIN
MAX
MIN
MAX
fmax*
100
MHz
tPLH
CLR
An QorQ
4
10
4
9
ns
tPHL
CLR
Any Q or Q
4.5
15
4.5
13
ns
tPLH
CLK
AnyQorQ
3
8.5
3
7.5
ns
tPHL
CLK
Any Q or Q
3
11
3
10
ns
* On products compliant to MIL-STD-883, Class B, this parameter is based on characterization data but is not production tested.
§ For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions.
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