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Octal D-type flip-flop with reset; positive-edge trigger
The 74HC273-Q100; 74HCT273-Q100 is an octal positive-edge triggered D-type flip-flop. The device features clock (CP) and master reset (MR) inputs. The outputs Qn will assume the state of their corresponding Dn inputs that meet the set-up and hold time requirements on the LOW-to-HIGH clock (CP) transition. A LOW on MR forces the outputs LOW independently of clock and data inputs. Inputs include clamp diodes. This enables the use of current limiting resistors to interface inputs to voltages in excess of VCC.
This product has been qualified to the Automotive Electronics Council (AEC) standard Q100 (Grade 1) and is suitable for use in automotive applications.
Automotive product qualification in accordance with AEC-Q100 (Grade 1)
Specified from -40 °C to +85 °C and from -40 °C to +125 °C
Wide supply voltage range from 2.0 V to 6.0 V
CMOS low power dissipation
High noise immunity
Latch-up performance exceeds 100 mA per JESD 78 Class II Level B
Complies with JEDEC standards:
JESD8C (2.7 V to 3.6 V)
JESD7A (2.0 V to 6.0 V)
Input levels:
For 74HC273-Q100: CMOS level
For 74HCT273-Q100: TTL level
Common clock and master reset
Eight positive edge-triggered D-type flip-flops
ESD protection:
HBM JESD22-A114F exceeds 2000 V
MM JESD22-A115-A exceeds 200 V (C = 200 pF, R = 0 Ω)
Multiple package options
DHVQFN package with Side-Wettable Flanks enabling Automatic Optical Inspection (AOI) of solder joints
| Type number | Product status | VCC (V) | Logic switching levels | Output drive capability (mA) | tpd (ns) | fmax (MHz) | Power dissipation considerations | Tamb (°C) | Rth(j-a) (K/W) | Ψth(j-top) (K/W) | Rth(j-c) (K/W) | Package name |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 74HC273BQ-Q100 | Production | 2.0 - 6.0 | CMOS | ± 5.2 | 15 | 122 | low | -40~125 | 78 | 9.4 | 50 | DHVQFN20 |
| 74HC273D-Q100 | Production | 2.0 - 6.0 | CMOS | ± 5.2 | 15 | 122 | low | -40~125 | 85 | 27.5 | 61 | SO20 |
| 74HC273PW-Q100 | Production | 2.0 - 6.0 | CMOS | ± 5.2 | 15 | 122 | low | -40~125 | 100 | 4.6 | 44.9 | TSSOP20 |
| 74HCT273BQ-Q100 | Production | 4.5 - 5.5 | TTL | ± 4 | 15 | 36 | low | -40~125 | 78 | 9.4 | 50 | DHVQFN20 |
| 74HCT273D-Q100 | Production | 4.5 - 5.5 | TTL | ± 4 | 15 | 36 | low | -40~125 | 85 | 27.5 | 61 | SO20 |
| 74HCT273PW-Q100 | Production | 4.5 - 5.5 | TTL | ± 4 | 15 | 36 | low | -40~125 | 100 | 4.6 | 44.9 | TSSOP20 |
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