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参数资料
| 型号： | N74F821N |
| 厂商： | NXP SEMICONDUCTORS |
| 元件分类： | 总线收发器 |
| 英文描述： | Bus interface registers |
| 中文描述： | F/FAST SERIES, 10-BIT DRIVER, TRUE OUTPUT, PDIP24 |
| 封装： | 0.300 INCH, PLASTIC, MS-001, SOT-222-1, DIP-24 |
| 文件页数： | 7/10页 |
| 文件大小： | 94K |
| 代理商： | N74F821N |
Philips Semiconductors
Product data sheet
74F821
10-bit bus interface register, non-inverting (3-State)
2004 Jul 22
6
AC ELECTRICAL CHARACTERISTICS
LIMITS
SYMBOL
PARAMETER
TEST
CONDITION
Tamb = +25 °C
VCC = +5.0 V
CL = 50 pF, RL = 500
Tamb = 0 °C to +70 °C
VCC = +5.0 V ± 10 %
CL = 50 pF, RL = 500
UNIT
MIN
TYP
MAX
MIN
MAX
fmax
Maximum clock frequency
Waveform 1
150
180
–
140
–
ns
tPLH
tPHL
Propagation delay
CP to Qn
Waveform 1
4.0
6.5
6.0
8.5
4.0
3.5
9.5
9.0
ns
tPZH
tPZL
Output enable time
OEn to Qn
Waveform 3
Waveform 4
2.0
3.0
4.5
5.0
8.0
2.0
2.5
9.0
ns
tPHZ
tPLZ
Output disable time
OEn to Qn
Waveform 3
Waveform 4
1.5
3.5
6.5
1.5
7.5
ns
AC SETUP REQUIREMENTS
LIMITS
SYMBOL
PARAMETER
TEST
CONDITION
Tamb = +25 °C
VCC = +5.0 V
CL = 50 pF, RL = 500
Tamb = 0 °C to +70 °C
VCC = +5.0 V ± 10 %
CL = 50 pF, RL = 500
UNIT
MIN
TYP
MAX
MIN
MAX
tsu (H)
tsu (L)
Setup time, HIGH or LOW
Dn to CP
Waveform 2
1.0
–
1.0
–
ns
th (H)
th (L)
Hold time, HIGH or LOW
Dn to CP
Waveform 2
2.0
–
2.0
–
ns
tw (H)
tw (L)
CP Pulse width,
HIGH or LOW
Waveform 1
3.5
–
4.0
–
ns
AC WAVEFORMS
For all waveforms, VM = 1.5 V.
The shaded areas indicate when the input is permitted to change for predictable output performance.
tPHL
CP
VM
tw(H)
1/fmax
VM
tw(L)
tPLH
Qn
SF00506
Waveform 1.
Propagation delay for clock input to output,
clock pulse width, and maximum clock frequency
VM
tsu(L)
th(L)
tsu(H)
th(H)
Dn
CP
SF00508
Waveform 2.
Data setup time and hold times
VM
tPHZ
tPZH
OEn
VOH – 0.3 V
0 V
Qn
SF00509
Waveform 3.
3-State output enable time to HIGH level and
output disable time from HIGH level
VM
tPLZ
tPZL
VOL + 0.3 V
3.5V
OEn
Qn
SF00510
Waveform 4.
3-State output enable time to LOW level and
output disable time from LOW level
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相关代理商/技术参数 |
参数描述 |
|---|---|
| N74F821N,602 | 功能描述:触发器 10-BIT REGISTER, NINV (3-S) 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 |
| N74F821N-B | 制造商:未知厂家 制造商全称:未知厂家 功能描述:10-Bit D-Type Flip-Flop |
| N74F822D | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:Bus interface registers |
| N74F822DB | 制造商:未知厂家 制造商全称:未知厂家 功能描述:10-Bit D-Type Flip-Flop |
| N74F822D-T | 制造商:未知厂家 制造商全称:未知厂家 功能描述:10-Bit D-Type Flip-Flop |
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