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参数资料
| 型号： | SN54BCT574W |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 总线收发器 |
| 英文描述： | BCT/FBT SERIES, 8-BIT DRIVER, TRUE OUTPUT, CDFP20 |
| 封装： | CERAMIC, DFP-20 |
| 文件页数： | 3/8页 |
| 文件大小： | 123K |
| 代理商： | SN54BCT574W |
SN54BCT574, SN74BCT574
OCTAL EDGE-TRIGGERED D-TYPE FLIP-FLOPS
WITH 3-STATE OUTPUTS
SCBS074B – SEPTEMBER 1991 – REVISED NOVEMBER 1993
2–3
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
SN54BCT574
SN74BCT574
UNIT
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
MIN
TYP
MAX
UNIT
VIK
VCC = 4.5 V,
II = –18 mA
–1.2
V
IOH = – 3 mA
2.4
3.3
2.4
3.3
VOH
VCC = 4.5 V
IOH = –12 mA
2
3.2
V
IOH = –15 mA
2
3.1
VOL
VCC =4 5V
IOL = 48 mA
0.38
0.55
V
VOL
VCC = 4.5 V
IOL = 64 mA
0.42
0.55
V
II
VCC = 5.5 V,
VI = 5.5 V
0.4
mA
IIH
VCC = 5.5 V,
VI = 2.7 V
20
A
IIL
VCC = 5.5 V,
VI = 0.5 V
– 0.6
mA
IOS
VCC = 5.5 V,
VO = 0
–100
– 225
–100
– 225
mA
IOZH
VCC = 5.5 V,
VO = 2.7 V
50
A
IOZL
VCC = 5.5 V,
VO = 0.5 V
–50
A
ICCL
VCC = 5.5 V,
Outputs open
38.1
62
38.1
62
mA
ICCH
VCC = 5.5 V,
Outputs open
4.9
8
4.9
8
mA
ICCZ
VCC = 5.5 V,
Outputs open
4.5
8
4.9
8
mA
Ci
VCC = 5 V,
VI = 2.5 V or 0.5 V
5.5
pF
Co
VCC = 5 V,
VO = 2.5 V or 0.5 V
8
pF
All typical values are at VCC = 5 V, TA = 25°C.
Not more than one output should be tested at a time, and the duration of the test should not exceed one second.
timing requirements over recommended ranges of supply voltage and operating free-air
temperature (unless otherwise noted)
VCC = 5 V,
TA = 25°C
SN54BCT574
SN74BCT574
UNIT
MIN
MAX
MIN
MAX
MIN
MAX
fclock
Clock frequency
0
77
0
77
0
77
MHz
tw
Pulse duration, CLK high or low
6.5
ns
t
Setup time data before CLK
↑
High
4.5
ns
tsu
Setup time, data before CLK
↑
Low
6
ns
th
Hold time, data after CLK
↑
High or low
0
1
0
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
SN54BCT574
SN74BCT574
UNIT
(INPUT)
(OUTPUT)
MIN
TYP
MAX
MIN
MAX
MIN
MAX
fmax
77
MHz
tPLH
CLK
Q
2.2
6.5
8.6
2.2
11.2
2.2
10
ns
tPHL
CLK
Q
2.8
6.1
8
2.8
9.7
2.8
8.9
ns
tPZH
OE
Q
2.5
6.4
8.1
2.5
10.9
2.5
10.4
ns
tPZL
OE
Q
3.7
7.3
9.2
3.7
11.3
3.7
10.9
ns
tPHZ
OE
Q
1
4.4
7.4
1
8
1
7.5
ns
tPLZ
OE
Q
1.3
4.2
5.8
1.3
7.1
1.3
6.4
ns
NOTE 2: Load circuits and voltage waveforms are shown in Section 1.
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