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S93A46A Datasheet, PDF (8/41 Pages) Seiko Instruments Inc – 125C OPERATION 3-WIRE SERIAL
125°C OPERATION 3-WIRE SERIAL E2PROM FOR AUTOMOTIVE
S-93A46A/56A/66A
Rev.6.1_00
 AC Electrical Characteristics
Table 15 Test Conditions
Input pulse voltage
Output reference voltage
Output load
0.1 × VCC to 0.9 × VCC
0.5 × VCC
100 pF
Table 16
Ta = −40°C to +125°C
Item
Symbol
VCC = 4.5 V to 5.5 V VCC = 2.7 V to 4.5 V
Unit
Min.
Max.
Min.
Max.
CS setup time
tCSS
0.2
⎯
0.4
⎯
μs
CS hold time
tCSH
0
⎯
0
⎯
μs
CS deselect time
tCDS
0.2
⎯
0.2
⎯
μs
Data setup time
tDS
0.1
⎯
0.2
⎯
μs
Data hold time
tDH
0.1
⎯
0.2
⎯
μs
Output delay time
Clock frequency*1
tPD
⎯
0.6
⎯
1.2
μs
fSK
0
1.0
0
0.5
MHz
Clock pulse width
tSKH, tSKL
0.2
⎯
0.5
⎯
μs
Output disable time
tHZ1, tHZ2
0
0.2
0
0.5
μs
Output enable time
tSV
0
0.15
0
0.5
μs
*1. The clock cycle of the SK clock (frequency: fSK) is 1 / fSK μs. This clock cycle is determined by a combination of several
AC characteristics, so be aware that even if the SK clock cycle time is minimized, the clock cycle (1 / fSK) cannot be
made to equal tSKL (min.) + tSKH (min.).
Item
Write time
Table 17
Symbol
tPR
Ta = −40°C to +125°C
VCC = 2.7 V to 5.5 V
Unit
Min.
Typ.
Max.
⎯
4.0
8.0
ms
8
Seiko Instruments Inc.