ST8024LTR STMicroelectronics, ST8024LTR Datasheet - Page 8

• Manufacturer Part Number: ST8024LTR
• Description: Interface - Specialized Smart card interface 3V or 5V 26 MHz
• Manufacturer: STMicroelectronics

Specifications of ST8024LTR

• Product Category: Interface - Specialized
• Rohs: yes
• Product Type: Smart Card Interface
• Operating Supply Voltage: 2.7 V to 6.5 V
• Supply Current: 1.2 mA
• Maximum Power Dissipation: 0.56 W
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Package / Case: TSSOP-20
• Minimum Operating Temperature: - 25 C

Pin configuration
Table 2.
8/35
CMDVCC Start activation sequence input (active low)
PORADJ Power-on reset threshold adjustment input (ST8024LCDR, ST8024LCTR)
AUX1UC Non-inverting receiver input (internal 11 kΩ pull-up resistor connected to V
AUX2UC Non-inverting receiver input (internal 11 kΩ pull-up resistor connected to V
Symbol
CGND
RSTIN
XTAL1
XTAL2
I/OUC
AUX2
AUX1
GND
1.8V
CLK
RST
OFF
V
V
CC
DD
Auxiliary line to and from card (C8)
(internal 11 kΩ pull-up resistor connected to V
Clock to card (C3)
Supply voltage for the card (C1)
1.8 V V
overrides any setting on the 5V/3V pin. With an internal 11 kΩ pull-down
resistor to GND. (ST8024LACDR, ST8024LACTR and ST8024LTR)
Card reset input from MCU
Supply voltage
Ground
Interrupt to MCU (active low)
MCU data I/O line (internal 11 kΩ pull-up resistor connected to V
Auxiliary line to and from card (C4) (internal 11 kΩ pull-up resistor to V
Ground for card signal (C5)
Card reset (C2)
Crystal or external clock input
Crystal connection (leave this pin open if external clock is used)
Pin description (continued)
CC
operation selection. Logic high selects 1.8 V operation and
Name and function
Doc ID 17709 Rev 5
CC
)
DD
)
CC
)
DD
DD
)
)
TSSOP-28
SO-28/
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
TSSOP-20
ST8024L
N. A.
N. A.
N. A.
N. A.
N. A
N.A
10
11
12
13
14
15
16
17
18
19
20
9