AT85C5122D-SISUM Atmel, AT85C5122D-SISUM Datasheet - Page 198

• Manufacturer Part Number: AT85C5122D-SISUM
• Description: RFID Modules & Development Tools 3-5.5V Smart Card Reader
• Manufacturer: Atmel

Specifications of AT85C5122D-SISUM

• Product: RFID Readers

Shift Register Timing
Waveform
External Clock Drive
Characteristics (XTAL1)
External Clock Drive
Waveforms
AC Testing Input/Output
Waveforms
198
AT8xC5122/23
INSTRUCTION
ALE
CLOCK
OUTPUT DATA
WRITE to SBUF
INPUT DATA
Table 120. AC Parameters
AC inputs during testing are driven at V
Timing measurement are made at V
CLEAR RI
INPUT/OUTPUT
T
CHCX
Symbol
T
T
T
T
T
CHCX
CLCH
CHCL
CLCL
CLCX
0.45V
/T
V
CLCX
CC
-0.5V
T
QVXH
Parameter
Oscillator Period
High Time
Low Time
Rise Time
Fall Time
Cyclic ratio in X2 mode
0
T
XHDV
0.2V
1
0.7V
0
VALID
V
T
CC
CC
XLXL
CC
-0.1
T
0.45V
-0.5V
CHCL
T
XHQX
2
1
VALID
IH
T
min for a logic “1” and V
3
XHDX
2
CC
VALID
- 0.5 for a logic “1” and 0.45V for a logic “0”.
T
CLCX
4
3
VALID
0.2 V
0.2 V
Min
125
40
5
5
CC
CC
5
T
4
CLCL
+ 0.9
- 0.1
VALID
T
IL
CLCH
6
max for a logic “0”.
5
T
VALID
CHCX
Max
60
5
5
7
6
VALID
4202E–SCR–06/06
SET TI
SET RI
Units
8
7
ns
ns
ns
ns
ns
%
VALID