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参数资料
| 型号： | SN54HCT273WR |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 锁存器 |
| 英文描述： | HCT SERIES, POSITIVE EDGE TRIGGERED D FLIP-FLOP, TRUE OUTPUT, CDFP20 |
| 封装： | CERAMIC, DFP-20 |
| 文件页数： | 8/10页 |
| 文件大小： | 211K |
| 代理商： | SN54HCT273WR |
Product Folder: SN74HCT273, Octal D-Type Flip-Flops With Clear
PRODUCT FOLDER | PRODUCT INFO: FEATURES | DESCRIPTION | DATASHEETS | PRICING/AVAILABILITY/PKG | SAMPLES
PRODUCT SUPPORT: TRAINING
SN74HCT273, Octal D-Type Flip-Flops With Clear
DEVICE STATUS: ACTIVE
PARAMETER NAME SN74HCT273
Voltage Nodes (V) 5
Vcc range (V)
4.5 to 5.5
Input Level
TTL
Output Level
CMOS
Output Drive (mA) -4/4
Output
2S
No. of Bits
8
Static Current
0.08
th (ns)
0
tpd max (ns)
36
tsu (ns)
21
FEATURES
q
Inputs Are TTL-Voltage Compatible
q
Contain Eight D-Type Flip-Flops
q
Direct Clear Input
q
Applications Include:
r
Buffer/Storage Registers
r
Shift Registers
r
Pattern Generators
q
Package Options Include Plastic Small-Outline (DW) and Ceramic Flat (W) Packages, Ceramic Chip Carriers (FK), and Standard Plastic (N) and Ceramic (J) 300-mil DIPs
DESCRIPTION
These devices are positive-edge-triggered D-type flip-flops with a common enable input. The 'HCT273 are similar to the 'HCT377, but feature a common clear enable (
) input instead of a
latched clock.
Information at the data (D) inputs meeting the setup time requirements is transferred to the Q outputs on the positive-going edge of the clock (CLK) pulse. Clock triggering occurs at a particular
voltage level and is not directly related to the positive-going pulse. When CLK is at either the high or low level, the D input has no effect at the output. The circuits are designed to prevent false
clocking by transitions at
.
The SN54HCT273 is characterized for operation over the full military temperature range of -55°C to 125°C. The SN74HCT273 is characterized for operation from -40°C to 85°C.
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