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| 型號： | SN54F573FK |
| 廠商： | Texas Instruments, Inc. |
| 元件分類： | 通用總線功能 |
| 英文描述： | OCTAL TRANSPARENT D-TYPE LATCHES WITH 3-STATE OUTPUTS |
| 中文描述： | 有三態(tài)輸出的8個透明D型鎖存器 |
| 文件頁數(shù)： | 3/5頁 |
| 文件大小： | 72K |
| 代理商： | SN54F573FK |
SN54F573, SN74F573
OCTAL TRANSPARENT D-TYPE LATCHES
WITH 3-STATE OUTPUTS
SDFS011A – MARCH 1987 – REVISED OCTOBER 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
SN54F573
MIN
TYP
SN74F573
MIN
TYP
UNIT
MAX
MAX
VIK
VCC = 4.5 V,
II = –18 mA
IOH = – 1 mA
IOH = – 3 mA
IOH = – 1 mA to –3 mA
IOL = 20 mA
IOL = 24 mA
VO = 2.7 V
VO = 0.5 V
VI = 7 V
VI = 2.7 V
VI = 0.5 V
VO = 0
See Note 2
–1.2
–1.2
V
VCC= 4 5 V
VCC = 4.5 V
2.5
3.4
2.5
3.4
VOH
2.4
3.3
2.4
3.3
V
VCC = 4.75 V,
2.7
VOL
VCC= 4 5 V
VCC = 4.5 V
0.3
0.5
V
0.35
0.5
IOZH
IOZL
II
IIH
IIL
IOS
ICCZ
VCC = 5.5 V,
VCC = 5.5 V,
VCC = 5.5 V,
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
mA
–50
–50
0.1
0.1
20
20
– 0.6
– 0.6
–60
–150
–60
–150
mA
38
55
38
55
mA
All typical values are at VCC = 5 V, TA = 25
°
C.
Not more than one output should be shorted at a time, and the duration of the short circuit should not exceed one second.
NOTE 2: ICCZ is measured with OE at 4.5 V and all other inputs grounded.
timing requirements over recommended ranges of supply voltage and operating free-air
temperature (unless otherwise noted)
VCC = 5 V,
TA = 25
°
C
′
F573
MIN
SN54F573
SN74F573
UNIT
MAX
MIN
MAX
MIN
MAX
tw
tsu
th
Pulse duration, LE high
6
6
6
ns
Setup time, data before LE
↓
Hold time, data after LE
↓
2
2
2
ns
3
3
3
ns
switching characteristics (see Note 3)
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
VCC = 5 V,
CL = 50 pF,
RL = 500
,
TA = 25
°
C
′
F573
MIN
2
VCC = 4.5 V to 5.5 V,
CL = 50 pF,
RL = 500
,
TA = MIN to MAX§
SN54F573
UNIT
SN74F573
TYP
4.9
MAX
MIN
1.5
MAX
MIN
2.2
MAX
tPLH
tPHL
tPLH
tPHL
tPZH
tPZL
tPHZ
tPLZ
D
Q
7
9
8
ns
1.2
3.3
5
1
8
1.2
6
LE
Q
4.2
8.6
11.5
3.7
13.5
4.2
13
ns
2.2
4.8
7
1.5
9
2.2
8
OE
Q
1.2
4.6
11
1
13
1.2
12
ns
1.2
5.2
7.5
1
10
1.2
8.5
OE
Q
1.2
4.1
6.5
1
8.5
1.2
7.5
ns
1.2
3.4
6
1
7
1.2
6
§For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions.
NOTE 3: Load circuits and waveforms are shown in Section 1.
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