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參數(shù)資料
| 型號： | 74LV161 |
| 廠商： | NXP Semiconductors N.V. |
| 元件分類： | 通用總線功能 |
| 英文描述： | Presettable synchronous 4-bit binary counter; asynchronous reset |
| 中文描述： | 可預置同步4位二進制計數(shù)器;異步復位 |
| 文件頁數(shù)： | 9/16頁 |
| 文件大?。?/td> | 148K |
| 代理商： | 74LV161 |
Philips Semiconductors
Presettable synchronous 4-bit binary counter;
asynchronous reset
Product specification
74LV161
1997 May 15
9
AC ELECTRICAL CHARACTERISTICS
(Continued)
CONDITION
LIMITS
SYMBOL
PARAMETER
WAVEFORM
–40 to +85
°
C
TYP
1
–35
–12
–9
–7
2
40
58
70
–40 to +125
°
C
MIN
UNIT
V
CC
(V)
1.2
2.0
2.7
3.0 to 3.6
2.0
2.7
3.0 to 3.6
MIN
MAX
MAX
t
h
Hold time
PE CEP CET to
D
n
, PE, CEP, CET to
CP
Figures 4 – 6
0
0
0
14
19
24
0
0
0
12
16
20
ns
Maximum clock
pulse frequency
f
max
Figures 1, 6
MHz
NOTES:
1. Unless otherwise stated, all typical values are measured at T
amb
= 25
°
C
2. Typical values are measured at V
CC
= 3.3 V.
AC WAVEFORMS
V
M
= 1.5 V at V
CC
≥
2.7 V;
V
M
= 0.5
×
V
CC
at V
CC
<
2.7 V;
V
OL
and V
OH
are the typical output voltage drop that occur with the output load.
Q
n
, TC
OUTPUT
t
W
SV00576
V
M
CP INPUT
V
M
t
PLH
t
PHL
1/f
max
V
OL
V
OH
GND
V
I
Figure 1. Clock (CP) to outputs (Q
n
, TC) propagation delays,
the clock pulse width and the maximum clock frequency.
t
rem
SV00577
V
M
MR INPUT
CP INPUT
V
I
V
I
GND
GND
V
OL
V
OH
Q
n
, TC
OUTPUT
V
M
V
M
t
PHL
t
W
Figure 2. Master reset (MR) pulse width,
the master reset to output (Q
n
, TC) propagation delays
and the master reset to clock (CP) removal times.
SV00578
V
M
CET INPUT
TC OUTPUT
V
M
t
PHL
t
PLH
GND
V
I
V
OL
V
OH
Figure 3. Input (CET) to output (TC) propagation delays.
SV00579
V
M
V
M
PE INPUT
CP INPUT
D
n
INPUT
V
M
t
h
t
su
t
su
t
su
t
su
t
h
t
h
t
h
GND
GND
GND
V
I
V
I
V
I
The shaded areas indicate when the input is permitted to change
for predictable output performance.
Figure 4. Set-up and hold times for input (D
n
)
and parallel enable input (PE).
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| 74LV161284DGGRE4 | 功能描述:接口 - 專用 19-Bit Bus Interface RoHS:否 制造商:Texas Instruments 產(chǎn)品類型:1080p60 Image Sensor Receiver 工作電源電壓:1.8 V 電源電流:89 mA 最大功率耗散: 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:BGA-59 |
| 74LV161284DGGRG4 | 功能描述:接口 - 專用 19B Bus Interface RoHS:否 制造商:Texas Instruments 產(chǎn)品類型:1080p60 Image Sensor Receiver 工作電源電壓:1.8 V 電源電流:89 mA 最大功率耗散: 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:BGA-59 |
| 74LV161D | 制造商:NXP Semiconductors 功能描述: |
| 74LV161DB | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Presettable synchronous 4-bit binary counter; asynchronous reset |
| 74LV161DB-T | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Synchronous Up Counter |
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