74AHC595 查看數據表（PDF） - Philips Electronics

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74AHC595

8-bit serial-in/serial or parallel-out shift register with output latches; 3-state

Philips Electronics 

Philips Semiconductors

8-bit serial-in/serial or parallel-out shift

register with output latches; 3-state

Product specification

74AHC595; 74AHCT595

RECOMMENDED OPERATING CONDITIONS

SYMBOL

PARAMETER

VCC

VI

VO

Tamb

DC supply voltage

input voltage

output voltage

operating ambient temperature

tr, tf

input rise and fall ratios (∆t/∆V)

CONDITIONS

see DC and AC

characteristics per

device

VCC = 3.3 ±0.3 V

VCC = 5 ±0.5 V

74AHC

74AHCT

UNIT

MIN. TYP. MAX. MIN. TYP. MAX.

2.0 5.0 5.5 4.5 5.0 5.5 V

0

−

5.5 0

−

5.5 V

0

−

VCC 0

−

VCC V

−40 +25 +85 −40 +25 +85 °C

−40 +25 +125 −40 +25 +125 °C

−

−

100 −

−

−

ns/V

−

−

20 −

−

20 ns/V

LIMITING VALUES

In accordance with the Absolute Maximum Rating System (IEC 60134); voltages are referenced to GND (ground = 0 V).

SYMBOL

PARAMETER

VCC

DC supply voltage

VI

input voltage

IIK

DC input diode current

IOK

DC output clamping diode

current

IO

DC output sink current

ICC

DC VCC or GND current

Tstg

storage temperature

PD

power dissipation per package

CONDITIONS

VI < −0.5 V; note 1

−0.5 > VO > VCC + 0.5 V; note 1

−0.5 < VO < VCC + 0.5 V

for temperature range: −40 to +125 °C; note 2

MIN. MAX. UNIT

−0.5 +7.0 V

−0.5 +7.0 V

−

−20 mA

−

±20 mA

−

±25 mA

−

±75 mA

−65 +150 °C

−

500 mW

Notes

1. The input and output voltage ratings may be exceeded if the input and output current ratings are observed.

2. For SO packages: above 70 °C the value of PD derates linearly with 8 mW/K.

For TSSOP packages: above 60 °C the value of PD derates linearly with 5.5 mW/K.

2000 Mar 15

7

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