74ABT821 datasheet(6/16 Pages) NXP

6 / 16 page

74ABT821_3

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Product data sheet

Rev. 03 — 25 February 2010

6 of 16

NXP Semiconductors

74ABT821

10-bit D-type ﬂip-ﬂop; positive-edge trigger; 3-state

Static characteristics

[1]

For valid test results, data must not be loaded into the ﬂip-ﬂops (or latches) after applying the power.

[2]

This parameter is valid for any VCC between 0 V and 2.1 V with a transition time of up to 10 ms. For VCC =2.1 VtoVCC =5V ± 10 %, a

transition time of up to 100

µs is permitted.

[3]

Not more than one output should be tested at a time, and the duration of the test should not exceed one second.

[4]

This is the increase in supply current for each input at 3.4 V.

Table 6.

Static characteristics

Symbol Parameter

Conditions

°C

−40 °Cto+85 °C Unit

Min

Typ

Max

Min

Max

VIK

input clamping voltage

VCC = 4.5 V; IIK = −18 mA

−1.2

−0.9

−1.2

VOH

HIGH-level output

voltage

VI = VIL or VIH

VCC = 4.5 V; IOH = −3 mA

2.5

2.9

2.5

VCC = 5.0 V; IOH = −3 mA

3.0

3.4

3.0

VCC = 4.5 V; IOH = −32 mA

2.0

2.4

2.0

VOL

LOW-level output

voltage

VCC = 4.5 V; IOL = 64 mA;

VI =VIL or VIH

0.42

0.55

VOL(pu)

power-up LOW-level

output voltage

VCC = 5.5 V; IO = 1 mA;

VI = GND or VCC

[1]

0.13

0.55

input leakage current

VCC = 5.5 V; VI = GND or 5.5 V

±0.01 ±1.0

±1.0

µA

IOFF

power-off leakage

current

VCC = 0 V; VI or VO ≤ 4.5 V

±5.0 ±100

±100

µA

IO(pu/pd)

power-up/power-down

output current

VCC = 2.0 V; VO = 0.5 V;

VI = GND or VCC; OEn HIGH

[2]

±5.0

±50

µA

IOZ

OFF-state output current VCC = 5.5 V; VI =VIL or VIH

VO = 2.7 V

5.0

µA

VO = 0.5 V

−5.0

−50

µA

ILO

output leakage current

HIGH-state; VO = 5.5 V;

VCC = 5.5 V; VI = GND or VCC

5.0

µA

output current

VCC = 5.5 V; VO = 2.5 V

[3]

−180

−80

−50

−180

−50

ICC

supply current

VCC = 5.5 V; VI = GND or VCC

outputs HIGH-state

0.5

250

µA

outputs LOW-state

outputs disabled

0.5

250

µA

∆ICC

additional supply current per input pin; VCC = 5.5 V; one

input at 3.4 V; other inputs at VCC

or GND

[4]

0.5

1.5

input capacitance

VI =0V orVCC

-4-

output capacitance

outputs disabled; VO =0V orVCC

-7-

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