PCF7936AS/3851/C,1-CT NXP Semiconductors, PCF7936AS/3851/C,1-CT Datasheet - Page 27

• Manufacturer Part Number: PCF7936AS/3851/C,1-CT
• Description: pcf7936as series 32-bit 125 khz read / write security...
• Manufacturer: NXP Semiconductors

NXP Semiconductors
Security Transponder (HITAG2)
10 DEVICE CHARACTERISTICS
10.1 Electrical Characteristics
Tamb = -40 to +85°C, f
SYMBOL
Operating Conditions
f
BW
B
B
B
B
MI
EEPROM
T
N
Note
1. Modulation index (m) and LF Field absorption (B
2. Parameters are measured with the Scemtech test equipment STM-1 in a Helmholtz arrangement according to section 11.
2010 May 04
RES
RET
THR
PRG
AUT
READ
Figure 25. Definition of modulation index (m) and LF field absorption (B
WR-CYL
PRG
Resonance frequency
Bandwidth
Magnetic flux density,
Read direction
Magnetic flux density, Note 1
For EEPROM programming
Magnetic flux density, Note 1
For device authentication
LF field absorption in read direction, Note 1
Minimum modulation index (m), Note 1
Write direction, device programming and
authentication
Data retention time
Write endurance, page 1 to 7
Transponder
LF Field
SYS
= 125kHz, T
PARAMETER
O
= 1/f
SYS
. Unless otherwise specified
READ
) are defined according to Figure 25.
m = 0,95, T
m = 0,95, T
B
B
Tamb = 50°C
FIELD
FIELD
27
= 35 μ T
= 35 μ T
CONDITION
B
MIN
WRP
WRP
READ
PP
PP
B
MAX
= 8 T
= 8 T
, T
)
WRP
O
O
= 8 T
m =
B
O
READ
B
B
= B
100 k
MAX
MAX +
MIN
121
2.3
35
35
35
20
8
MAX
- B
B
- B
MIN
MIN
MIN
TYP
Product Specification
PCF7936AS
CONFIDENTIAL
MAX
129
400
400
400
95
years
UNIT
cycle
μ T
μ T
μ T
μ T
kHz
kHz
%
PP
PP
PP
PP