73S8009CN-32IM/F Maxim Integrated Products, 73S8009CN-32IM/F Datasheet - Page 27

• Manufacturer Part Number: 73S8009CN-32IM/F
• Description: IC PWR MGMT/SMART CARD INT 32QFN
• Manufacturer: Maxim Integrated Products

Specifications of 73S8009CN-32IM/F

• Applications: Smart Card Reader, Writer
• Voltage - Supply: 3 V ~ 3.6 V
• Package / Case: 32-VFQFN Exposed Pad
• Mounting Type: Surface Mount
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Interface: -

DS_8009CN_026
Note:
Notes:
Rev. 1.4
Pins CMDVCC%, CMDVCC#, CS,
Pins RSTIN, CLKIN, PRES, EXT_RST have the pull-down enabled.
Pin OFF_ACK has a 100kΩ resistor connected to pin OFF_REQ internally.
Strong PFET or NFET is approximately 100
Very strong PFET or NFET is approximately 50
Medium strength PFET is approximately 1k
Very weak PFET or NFET is approximately 1M
The diodes represent ESD protection devices that will conduct current if forward biased.
Disable
Output
circuit
From
Data
Pull-down
circuit
Enable
Disable
Pull-up
To
Figure 20: OFF_REQ Interface Circuit
Figure 19: General Input Circuit
SC/USB
Ω
Ω
have the pull-up enabled.
Ω
Ω
STRONG
STRONG
PFET
WEAK
NFET
VERY
PFET
VDD
WEAK
VDD
VERY
NFET
ESD
100k ohm
ESD
ESD
OFF_ACK
ESD
PIN
pad
To
73S8009CN Data Sheet
PIN
27