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参数资料
| 型号： | 74ALVCH16821 |
| 厂商： | NXP Semiconductors N.V. |
| 英文描述： | Quadruple Positive-NAND Gates With Schmitt-Trigger Inputs 14-TSSOP -40 to 85 |
| 中文描述： | 20位总线接口D型触发器;积极边缘触发三态 |
| 文件页数： | 8/12页 |
| 文件大小： | 95K |
| 代理商： | 74ALVCH16821 |
Philips Semiconductors
Product specification
74ALVCH16821
20-bit bus-interface D-type flip-flop;
positive-edge trigger (3-State)
1998 May 29
8
AC WAVEFORMS
V
CC
= 2.3 TO 2.7 V RANGE
1. V
M
= 0.5 V
2. V
X
= V
OL
+ 0.15V
3. V
Y
= V
OH
– 0.15V
4. V
I
= V
5. V
OL
and V
OH
are the typical output voltage drop that occur with
the output load.
V
= 3.0 TO 3.6 V RANGE AND V
CC
= 2.7 V
1. V
M
= 1.5 V
2. V
X
= V
OL
+ 0.3V
3. V
Y
= V
OH
– 0.3V
4. V
I
= 2.7 V
5. V
OL
and V
OH
are the typical output voltage drop that occur with
the output load.
V
M
nCP INPUT
nQ
n
OUTPUT
t
w
t
PHL
V
M
t
PLH
1/f
MAX
V
M
V
OH
V
OL
SH00128
V
I
GND
Waveform 1. The input (nCP) to output propagation delays.
t
PLZ
t
PZL
V
I
nOE INPUT
GND
V
CC
OUTPUT
LOW-to-OFF
OFF-to-LOW
V
OL
V
OH
OUTPUT
HIGH-to-OFF
OFF-to-HIGH
GND
outputs
enabled
outputs
enabled
outputs
disabled
t
PHZ
V
M
V
M
V
M
t
PZH
V
X
V
Y
SW00308
Waveform 2. The 3-State enable and disable times.
nQ
n
OUTPUT
V
M
V
M
nD
n
INPUT
SH00129
nCP INPUT
V
M
GND
V
I
GND
V
I
V
OL
V
OH
t
su
t
su
t
h
t
h
Waveform 3. Set up and hold times.
TEST CIRCUIT
SWITCH POSITION
PULSE
GENERATOR
R
T
V
I
D.U.T.
V
O
C
L
V
CC
R
L
= 500
Test Circuit for switching times
Open
GND
S
1
DEFINITIONS
R
L
= Load resistor
C
L
= Load capacitance includes jig and probe capacitance
R
T
= Termination resistance should be equal to Z
OUT
of pulse generators.
V
CC
V
I
< 2.7V
V
CC
TEST
S
1
t
PLH/
t
PHL
Open
2
V
CC
t
PLZ/
t
PZL
2.7V
2.7–3.6V
t
PHZ/
t
PZH
GND
R
L
= 500
2 * V
CC
SV00906
Waveform 4. Load circuitry for switching times
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相关代理商/技术参数 |
参数描述 |
|---|---|
| 74ALVCH16821DG | 功能描述:触发器 20-BIT BUS INTERFACE RoHS:否 制造商:Texas Instruments 电路数量:2 逻辑系列:SN74 逻辑类型:D-Type Flip-Flop 极性:Inverting, Non-Inverting 输入类型:CMOS 输出类型: 传播延迟时间:4.4 ns 高电平输出电流:- 16 mA 低电平输出电流:16 mA 电源电压-最大:5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:X2SON-8 封装:Reel |
| 74ALVCH16821DGG | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:20-bit bus-interface D-type flip-flop; positive-edge trigger 3-State |
| 74ALVCH16821DGG,11 | 功能描述:触发器 20-BIT BUS INTERFACE RoHS:否 制造商:Texas Instruments 电路数量:2 逻辑系列:SN74 逻辑类型:D-Type Flip-Flop 极性:Inverting, Non-Inverting 输入类型:CMOS 输出类型: 传播延迟时间:4.4 ns 高电平输出电流:- 16 mA 低电平输出电流:16 mA 电源电压-最大:5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:X2SON-8 封装:Reel |
| 74ALVCH16821DGG,112 | 制造商:NXP Semiconductors 功能描述: |
| 74ALVCH16821DGG,118 | 制造商:NXP Semiconductors 功能描述: |
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