English
Language : 

TDA8023 Datasheet, PDF (21/32 Pages) NXP Semiconductors – Low power IC card interface
◁
NXP Semiconductors
TDA8023
Low power IC card interface
Table 20. Interface signals to host controller …continued
VDD = 3.3 V; VDD(INTF) = 1.5 V; fCLKIN = 10 MHz; GND = 0 V; Tamb = 25 °C; unless otherwise specified.
Symbol Parameter
Conditions
Min
Typ Max
tr
rise time
tTLH
clock rise time
Rpu(int) internal pull-up resistance
Clock input: pin CLKIN
input; from VIL(max) to VIH(min)
-
output transition time; from
-
10 % to 90 % of VDD(INTF);
CL < 30 pF
between pin I/OUC and pin [1] 11
VDDI
-1
- 0.1
15 19
fCLKIN
frequency on pin CLKIN
VIL
LOW-level input voltage
VDD(INTF) > 2 V
1.5 V < VDD(INTF) < 2 V
VIH
HIGH-level input voltage
VDD(INTF) > 2 V
1.5 V < VDD(INTF) < 2 V
tr
rise time
tf
fall time
Logic inputs: pins SAD0, SPRES and SDWN
0
-
0
-
0
-
0.7VDD(INTF) -
0.85VDD(INTF) -
-
-
-
-
25
0.3VDD(INTF)
0.15VDD(INTF)
VDD(INTF) + 0.3
VDD(INTF) + 0.3
0.1 / fCLKIN
0.1 / fCLKIN
VIL
LOW-level input voltage
VIH
HIGH-level input voltage
ILIL
LOW-level input leakage
current
−0.3
0.7VDD
-
-
0.3VDD(INTF)
-
VDD(INTF) + 0.3
- ±1
ILIH
HIGH-level input leakage
current
-
- ±1
Ci
input capacitance
Interrupt line: pin INT; open-drain active-LOW output
-
- 10
VOL
LOW-level output voltage
Io = 2 mA
ILH
HIGH-level leakage current
Serial data input/output: pin SDA; open-drain
-
- 0.3
-
- 10
VIL
VIH
VOL1
ILH
ILL
LOW-level input voltage
HIGH-level input voltage
LOW-level output voltage
HIGH-level leakage current
LOW-level leakage current
IOL = 3 mA
input or output
depends on the pull-up
resistance; input or output
−0.3
0.7VDD
-
-
-
-
0.3VDD
- 6.5
- 0.3
-1
-1
Serial clock input: pin SCL
VIL
LOW-level input voltage
VIH
HIGH-level input voltage
ILIH
HIGH-level input leakage
current
−0.3
0.7VDD
-
-
0.3VDD
- 6.5
-1
IIL
LOW-level input current
depends on the pull-up
-
resistance
-1
Unit
µs
µs
kΩ
MHz
V
V
V
ns
ns
ns
V
V
µA
µA
pF
V
µA
V
V
V
µA
µA
V
V
µA
µA
TDA8023_1
Product data sheet
Rev. 01 — 16 July 2007
© NXP B.V. 2007. All rights reserved.
21 of 32
 ▷