参数资料
| 型号： | CD74HCT21MTG4 |
| 厂商： | Texas Instruments |
| 文件页数： | 1/14页 |
| 文件大小： | 0K |
| 描述： | IC DUAL 4-IN AND GATE 14 SOIC |
| 标准包装： | 250 |
| 系列： | 74HCT |
| 逻辑类型： | 与门 |
| 电路数： | 2 |
| 输入数： | 4 |
| 电源电压： | 4.5 V ~ 5.5 V |
| 电流 - 静态（最大值）： | 2µA |
| 输出电流高，低： | 4mA，4mA |
| 逻辑电平 - 低： | 0.8V |
| 逻辑电平 - 高： | 2V |
| 额定电压和最大 CL 时的最大传播延迟： | 27ns @ 4.5V，50pF |
| 工作温度： | -55°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 供应商设备封装： | 14-SOIC |
| 封装/外壳： | 14-SOIC（0.154"，3.90mm 宽） |
| 包装： | 带卷 (TR) |
1
Data sheet acquired from Harris Semiconductor
SCHS131C
Features
Buffered Inputs
Typical Propagation Delay: 9ns at VCC = 5V,
CL = 15pF, TA = 25
oC
Fanout (Over Temperature Range)
- Standard Outputs . . . . . . . . . . . . . . . 10 LSTTL Loads
- Bus Driver Outputs . . . . . . . . . . . . . 15 LSTTL Loads
Wide Operating Temperature Range . . . -55oC to 125oC
Balanced Propagation Delay and Transition Times
Signicant Power Reduction Compared to LSTTL
Logic ICs
HC Types
- 2V to 6V Operation
- High Noise Immunity: NIL = 30%, NIH = 30% of VCC
at VCC = 5V
HCT Types
- 4.5V to 5.5V Operation
- Direct LSTTL Input Logic Compatibility,
VIL= 0.8V (Max), VIH = 2V (Min)
- CMOS Input Compatibility, Il ≤ 1A at VOL, VOH
Description
The ’HC21 and CD74HCT21 logic gates utilize silicon gate
CMOS technology to achieve operating speeds similar to
LSTTL gates with the low power consumption of standard
CMOS integrated circuits. All devices have the ability to drive
10 LSTTL loads. The HCT logic family is functionally pin
compatible with the standard LS logic family.
Pinout
CD54HC21
(CERDIP)
CD74HC21, CD74HCT21
(PDIP, SOIC)
TOP VIEW
Ordering Information
PART NUMBER
TEMP. RANGE
(oC)
PACKAGE
CD54HC21F3A
-55 to 125
14 Ld CERDIP
CD74HC21E
-55 to 125
14 Ld PDIP
CD74HC21M
-55 to 125
14 Ld SOIC
CD74HC21MT
-55 to 125
14 Ld SOIC
CD74HC21M96
-55 to 125
14 Ld SOIC
CD74HCT21E
-55 to 125
14 Ld PDIP
CD74HCT21M
-55 to 125
14 Ld SOIC
CD74HCT21MT
-55 to 125
14 Ld SOIC
CD74HCT21M96
-55 to 125
14 Ld SOIC
NOTE: When ordering, use the entire part number. The sufx 96
denotes tape and reel. The sufx T denotes a small-quantity reel of
250.
1A
1B
NC
1C
1D
1Y
GND
VCC
2D
2C
NC
2B
2A
2Y
1
2
3
4
5
6
7
14
13
12
11
10
9
8
August 1997 - Revised September 2003
CAUTION: These devices are sensitive to electrostatic discharge. Users should follow proper IC Handling Procedures.
Copyright
2003, Texas Instruments Incorporated
CD54HC21, CD74HC21,
CD74HCT21
High-Speed CMOS Logic
Dual 4-Input AND Gate
[ /Title
(CD74H
C21,
CD74H
CT21)
/Subject
(High
Speed
CMOS
Logic
Dual 4-
Input
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| CD74HCT221 | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| CD74HCT221E | 功能描述:单稳态多谐振荡器 Hi-Spd CMOS Dual RoHS:否 制造商:Texas Instruments 每芯片元件:1 逻辑系列:LVC 逻辑类型:Monostable Multivibrator 封装 / 箱体:SSOP-8 传播延迟时间:18.6 ns 高电平输出电流:- 32 mA 低电平输出电流:32 mA 电源电压-最大:5.5 V 电源电压-最小:1.65 V 最大功率耗散: 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装:Reel |
| CD74HCT221E | 制造商:Texas Instruments 功能描述:Multivibrator Logic IC 制造商:Texas Instruments 功能描述:IC, MONO MULTIVIBRATOR, 18NS, DIP-16 |
| CD74HCT221EE4 | 功能描述:单稳态多谐振荡器 Hi-Spd CMOS Dual RoHS:否 制造商:Texas Instruments 每芯片元件:1 逻辑系列:LVC 逻辑类型:Monostable Multivibrator 封装 / 箱体:SSOP-8 传播延迟时间:18.6 ns 高电平输出电流:- 32 mA 低电平输出电流:32 mA 电源电压-最大:5.5 V 电源电压-最小:1.65 V 最大功率耗散: 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装:Reel |
| CD74HCT221EG4 | 功能描述:IC DUAL MONO MULTVIBRATOR 16-DIP 制造商:texas instruments 系列:74HCT 包装:管件 零件状态:在售 逻辑类型:单稳态 独立电路:2 施密特触发器输入:是 传播延迟:18ns 电流 - 输出高，低:4mA，4mA 电压 - 电源:4.5V ~ 5.5V 工作温度:-55°C ~ 125°C 安装类型:通孔 封装/外壳:16-DIP（0.300"，7.62mm） 供应商器件封装:16-PDIP 基本零件编号:74HCT221 标准包装:25 |
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