參數(shù)資料
型號: 74ALS574
廠商: Texas Instruments, Inc.
英文描述: OCTAL D-TYPE EDGE-TRIGGERED FLIP-FLOPS WITH 3-STATE OUTPUTS
中文描述: 八路D型沿觸發(fā)器與觸發(fā)器3態(tài)輸出
文件頁數(shù): 6/8頁
文件大?。?/td> 129K
代理商: 74ALS574
SN54ALS574B, SN54AS574, SN54AS575
SN74ALS574B, SN74ALS575A, SN74AS574, SN74AS575
OCTAL D-TYPE EDGE-TRIGGERED FLIP-FLOPS WITH 3-STATE OUTPUTS
SDAS165B – JUNE 1982 – REVISED JULY 1995
6
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
SN54AS574
SN54AS575
TYP
SN74AS574
SN74AS575
TYP
UNIT
MIN
MAX
MIN
MAX
VIK
VCC = 4.5 V,
VCC = 4.5 V to 5.5 V,
II = –18 mA
IOH = –2 mA
IOH = –12 mA
IOH = –15 mA
IOL = 32 mA
IOL = 48 mA
VO = 2.7 V
VO = 0.4 V
VI = 7 V
VI = 2.7 V
–1.2
–1.2
V
VCC –2
2.4
VCC –2
VOH
VCC= 4 5 V
VCC = 4.5 V
3.2
V
2.4
3.3
VOL
VCC= 4 5 V
VCC = 4.5 V
0.29
0.5
V
0.34
0.5
IOZH
IOZL
II
IIH
VCC = 5.5 V,
VCC = 5.5 V,
VCC = 5.5 V,
VCC = 5.5 V,
50
50
μ
A
μ
A
mA
μ
A
–50
–50
0.1
0.1
20
20
IIL
OE, CLK, CLR
VCC= 5 5 V
VCC = 5.5 V,
VI= 0 4 V
VI = 0.4 V
–0.5
–0.5
mA
D
–3
–2
IO
VCC = 5.5 V,
VO = 2.25 V
Outputs high
–30
–112
–30
–112
mA
73
116
73
116
AS574
VCC = 5.5 V
Outputs low
85
134
85
134
ICC
Outputs disabled
84
134
84
134
mA
Outputs high
78
126
78
126
AS575
VCC = 5.5 V
Outputs low
Outputs disabled
89
88
142
142
89
88
142
142
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.
switching characteristics (see Figure 1)
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
VCC = 4.5 V to 5.5 V,
CL = 50 pF,
R1 = 500
,
R2 = 500
,
TA = MIN to MAX§
SN54AS574
SN54AS575
UNIT
SN74AS574
SN74AS575
MIN
MAX
MIN
MAX
fmax*
tPLH
tPHL
tPZH
tPZL
tPHZ
tPLZ
100
90
MHz
CLK
An Q
Any Q
3
11
3
8
ns
4
11
4
9
OE
An Q
Any Q
2
7
2
6
ns
3
11
3
10
OE
Any Q
2
2
7
7
2
2
6
6
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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