PCF8584 查看數據表（PDF） - Philips Electronics

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PCF8584

I2C-bus controller

Philips Electronics 

Philips Semiconductors

I2C-bus controller

Product specification

PCF8584

11 DC CHARACTERISTICS

VDD = 5 V ±10%; Tamb = −40 to +85 °C; unless otherwise specified.

SYMBOL

PARAMETER

CONDITIONS

MIN.

TYP.

MAX.

UNIT

Supply

VDD

IDD

supply voltage

supply current

4.5

5.0

5.5

V

standby; note 1

−

−

2.5

µA

operating; notes 1 and 2 −

−

1.5

mA

Inputs

CLK, IACK, A0, CS, WR, RD, RESET AND D0 to D7

VIL

LOW level input voltage note 3

VIH

HIGH level input voltage note 3

0

−

2.0

−

SDA AND SCL

VIL

LOW level input voltage note 4

0

−

VIH

HIGH level input voltage note 4

0.7VDD −

Ri

resistance to VDD

Tamb = 25 °C; note 5

25

−

Outputs

IOH

HIGH level output current VOH = 2.4 V; note 6 and 7 −2.4

−

IOL

LOW level output current VOL = 0.4 V; note 6

3.0

−

IOL

leakage current

note 8

−1

−

0.8

V

VDD

V

0.3VDD V

VDD

V

100

kΩ

−

mA

−

mA

+1

µA

Notes

1. Test conditions: 22 kΩ pull-up resistors on D0 to D7; 10 kΩ pull-up resistors on SDA, SCL, RD; RESET connected

to VSS; remaining pins open-circuit.

2. CLK waveform of 12 MHz with 50% duty factor.

3. CLK, IACK, A0, CS, WR, RD, RESET and D0 to D7 are TTL level inputs.

4. SDA and SCL are CMOS level inputs.

5. CLK, IACK, A0, CS and WR.

6. D0 to D7.

7. DTACK, STROBE.

8. D0 to D7 3-state, SDA, SCL, INT, RD, RESET.

1997 Oct 21

23

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