參數資料
型號: PCF8584
廠商: NXP Semiconductors N.V.
英文描述: IIC-bus controller(IIC總線控制器)
中文描述: IIC總線控制器(國際進口總線控制器)
文件頁數: 23/40頁
文件大?。?/td> 224K
代理商: PCF8584
1997 Oct 21
23
Philips Semiconductors
Product specification
I
2
C-bus controller
PCF8584
11 DC CHARACTERISTICS
V
DD
= 5 V
±
10%; T
amb
=
40 to +85
°
C; unless otherwise specified.
Notes
1.
Test conditions: 22 k
pull-up resistors on D0 to D7; 10 k
pull-up resistors on SDA, SCL, RD; RESET connected
to V
SS
; remaining pins open-circuit.
CLK waveform of 12 MHz with 50% duty factor.
CLK, IACK, A0, CS, WR, RD, RESET and D0 to D7 are TTL level inputs.
SDA and SCL are CMOS level inputs.
CLK, IACK, A0, CS and WR.
D0 to D7.
DTACK, STROBE.
D0 to D7 3-state, SDA, SCL, INT, RD, RESET.
2.
3.
4.
5.
6.
7.
8.
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
Supply
V
DD
I
DD
supply voltage
supply current
4.5
5.0
5.5
2.5
1.5
V
μ
A
mA
standby; note 1
operating; notes 1 and 2
Inputs
CLK, IACK, A0, CS, WR, RD, RESET
AND
D0 to D7
V
IL
V
IH
SDA
AND
SCL
LOW level input voltage
HIGH level input voltage
note 3
note 3
0
2.0
0.8
V
DD
V
V
V
IL
V
IH
R
i
LOW level input voltage
HIGH level input voltage
resistance to V
DD
note 4
note 4
T
amb
= 25
°
C; note 5
0
0.7V
DD
25
0.3V
DD
V
DD
100
V
V
k
Outputs
I
OH
I
OL
I
OL
HIGH level output current
LOW level output current
leakage current
V
OH
= 2.4 V; note 6 and 7
V
OL
= 0.4 V; note 6
note 8
2.4
3.0
1
+1
mA
mA
μ
A
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