ST8024LTR STMicroelectronics, ST8024LTR Datasheet - Page 7

• 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

ST8024L
3
Figure 2.
Table 2.
CLKDIV1
CLKDIV2
Symbol
PGND
5V/3V
PRES
PRES
V
C1+
C1–
V
I/O
DDP
UP
Control of CLK frequency
(internal 11 kΩ pull-up resistor connected to V
Control of CLK frequency
(internal 11 kΩ pull-down resistor connected to GND)
5 V or 3 V V
selects 5 V operation and logic low selects 3 V operation (for ST8024LACDR,
ST8024LACTR, and ST8024LTR: if the 1.8V pin is logic high, the 5V/3V pin is
a “don't care”). See
External capacitor step-up converter
Power supply for step-up converter
External capacitor step-up converter
Output of step-up converter
Card presence input (active low) - bonding option
Data line to and from card (C7)
(internal 11 kΩ pull-up resistor connected to V
Power ground for step-up converter
Card presence input (active high)
Pin configuration
Pin connections
Pin description
CC
selection for communication with the smartcard. Logic high
Table 23
Name and function
for a description of the V
Doc ID 17709 Rev 5
DD
CC
)
)
CC
selection settings.
TSSOP-28
SO-28/
Pin configuration
10
11
1
2
3
4
5
6
7
8
9
TSSOP-20
N. A.
N. A.
N. A.
1
2
3
4
5
6
7
8
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