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参数资料
| 型号： | SN54LV4040AJ |
| 厂商： | Texas Instruments, Inc. |
| 英文描述： | Octal D-Type Flip-Flop; Package: SOIC-20 WB; No of Pins: 20; Container: Rail; Qty per Container: 38 |
| 中文描述： | 12位异步二进制计数器 |
| 文件页数： | 4/8页 |
| 文件大小： | 160K |
| 代理商： | SN54LV4040AJ |
SN54LV4040A, SN74LV4040A
12-BIT ASYNCHRONOUS BINARY COUNTERS
SCES226A – APRIL 1999 – REVISED SEPTEMBER 1999
4
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
VCC
SN54LV4040A
MIN
VCC–0.1
2
SN74LV4040A
MIN
VCC–0.1
2
UNIT
TYP
MAX
TYP
MAX
IOH = –50
μ
A
IOH = –2 mA
IOH = –6 mA
IOH = –12 mA
IOL = 50
μ
A
IOL = 2 mA
IOL = 6 mA
IOL = 12 mA
VI = VCC or GND
VI = VCC or GND,
VI or VO = 0 to 5.5 V
2 V to 5.5 V
VOH
2.3 V
V
3 V
2.48
2.48
4.5 V
3.8
3.8
2 V to 5.5 V
0.1
0.1
VOL
2.3 V
0.4
0.4
V
3 V
0.44
0.44
4.5 V
0.55
±
1
20
0.55
±
1
20
II
ICC
Ioff
5.5 V
μ
A
μ
A
μ
A
IO = 0
5.5 V
0 V
5
5
Ci
VI= VCCor GND
VI = VCC or GND
3.3 V
5 V
1.9
1.8
1.9
1.8
pF
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
7
SN54LV4040A
MIN
7
SN74LV4040A
MIN
7
UNIT
MAX
MAX
MAX
tw
Pulse duration
CLK high or low
ns
CLR high
6.5
6.5
6.5
tsu
Setup time
CLR inactive before CLK
↓
6.5
6.5
6.5
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
SN54LV4040A
MIN
5
SN74LV4040A
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
SN54LV4040A
SN74LV4040A
UNIT
MAX
MIN
MAX
MIN
MAX
tw
Pulse duration
CLK high or low
5
5
ns
CLR high
5
5
5
tsu
Setup time
CLR inactive before CLK
↓
5
5
5
ns
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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