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參數(shù)資料
| 型號： | SNJ54LV393AW |
| 廠商： | Texas Instruments, Inc. |
| 元件分類： | 通用總線功能 |
| 英文描述： | DUAL 4-BIT BINARY COUNTERS |
| 中文描述： | 雙4位二進(jìn)制計數(shù)器 |
| 文件頁數(shù)： | 5/14頁 |
| 文件大?。?/td> | 367K |
| 代理商： | SNJ54LV393AW |
SN54LV393A, SN74LV393A
DUAL 4-BIT BINARY COUNTERS
SCLS457B
–
FEBRUARY 2001
–
REVISED JULY 2003
5
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
timing requirements over recommended operating free-air temperature range, V
CC
= 2.5 V
±
0.2 V
(unless otherwise noted) (see Figure 1)
TA = 25
°
C
MIN
5
SN54LV393A
MIN
5
SN74LV393A
MIN
5
UNIT
MAX
MAX
MAX
tw
Pulse duration
CLK high or low
ns
CLR high
5
5
5
tsu
Setup time
CLR inactive before CLK
↓
6
6
6
ns
timing requirements over recommended operating free-air temperature range, V
CC
= 3.3 V
±
0.3 V
(unless otherwise noted) (see Figure 1)
TA = 25
°
C
MIN
5
SN54LV393A
MIN
5
SN74LV393A
MIN
5
UNIT
MAX
MAX
MAX
tw
Pulse duration
CLK high or low
ns
CLR high
5
5
5
tsu
Setup time
CLR inactive before CLK
↓
5
5
5
ns
timing requirements over recommended operating free-air temperature range, V
CC
= 5 V
±
0.5 V
(unless otherwise noted) (see Figure 1)
TA = 25
°
C
MIN
5
SN54LV393A
MIN
5
SN74LV393A
MIN
5
UNIT
MAX
MAX
MAX
tw
Pulse duration
CLK high or low
ns
CLR high
5
5
5
tsu
Setup time
CLR inactive before CLK
↓
4
4
4
ns
switching characteristics over recommended operating free-air temperature range,
V
CC
= 2.5 V
±
0.2 V (unless otherwise noted) (see Figure 1)
PARAMETER
FROM
(INPUT)
TO
LOAD
TA = 25
°
C
TYP
90*
SN54LV393A
SN74LV393A
UNIT
(OUTPUT)
CAPACITANCE
MIN
50*
MAX
MIN
40*
MAX
MIN
40
MAX
fmax
CL = 15 pF
CL = 50 pF
MHz
30
70
25
25
QA
QB
QC
QD
Qn
QA
QB
QC
QD
Qn
7.1*
17.7*
1*
20.5*
1
20.5
td
tpd
CLK
8.5*
20.3*
1*
23.5*
1
23.5
CL = 15 pF
10*
22.5*
1*
26*
1
26
ns
11.1*
24.2*
1*
28*
1
28
tPHL
CLR
6.7*
14.8*
1*
17*
1
17
9.3
21.3
1
24.5
1
24.5
td
tpd
CLK
10.9
23.9
1
27.5
1
27.5
CL = 50 pF
12.3
26.1
1
30
1
30
ns
13.4
27.8
1
32
1
32
tPHL
CLR
9.1
17.4
1
20
1
20
* On products compliant to MIL-PRF-38535, this parameter is not production tested
PRODUCT PREVIEW information concerns products in the formative or
design phase of development. Characteristic data and other
specifications are design goals. Texas Instruments reserves the right to
change or discontinue these products without notice.
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