SRT512-SBN18/1G2 STMICROELECTRONICS [STMicroelectronics], SRT512-SBN18/1G2 Datasheet - Page 39

• Manufacturer Part Number: SRT512-SBN18/1G2
• Description: 13.56 MHz short-range contactless memory chip with 512-bit EEPROM and anticollision functions
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

SRT512
10
DC and AC parameters
Table 6.
Table 7.
Table 8.
1. All timing measurements were performed on a reference antenna with the following characteristics:
MI
t
RFR
Symbol
Symbol
Symbol
t
t
CARRIER
MIN CD
RFSBL
External size: 75 mm x 48 mm
Number of turns: 3
Width of conductor: 1 mm
Space between 2 conductors: 0.4 mm
Value of the coil: 1.4 µH
Tuning Frequency: 14.4 MHz.
C
V
V
f
t
t
t
I
I
t
CC
DR
JIT
f
DA
T
CC
CC
RET
TUN
t
t
t
, t
W
CC
S
0
1
2
A
RFF
External RF signal frequency
Carrier modulation index
10% rise and fall times
Minimum pulse width for start bit
ASK modulation data jitter
Minimum time from carrier
generation to first data
Subcarrier frequency
Antenna reversal delay
Synchronization delay
Answer to new request delay
Time between request characters
Time between answer characters
Programming time for write
Regulated voltage
Supply current (active in read)
Supply current (active in write)
Backscattering-induced voltage
Internal tuning capacitor
Ambient operating temperature
Operating conditions
DC characteristics
AC characteristics
Parameter
Parameter
Parameter
Doc ID 13277 Rev 4
(1)
Binary counter decrement
With no auto-erase cycle
With auto-erase cycle
ISO10373-6
V
V
13.56 MHz
Condition
Coupler to SRT512
Coupler to SRT512
SRT512 to coupler
CC
CC
MI=(A-B)/(A+B)
ETU = 128/f
(EEPROM)
= 3.0 V
= 3.0 V
Condition
14 ETU
f
128/f
128/f
(OTP)
CC
/16
S
S
Min.
–20
CC
Min
2.5
20
DC and AC parameters
13.553 13.567
Typ
Min
132
0.8
Max.
64
–2
0
8
5
85
847.5
9.44
151
151
0
Max
100
250
Max
3.5
2.5
14
+2
57
3
5
7
Unit
°C
Unit
MHz
mV
Unit
kHz
39/46
µA
µA
pF
ms
ms
ms
ms
V
µs
µs
µs
µs
µs
µs
µs
µs
%