S-93L46A Datasheet, PDF (9/48 Pages) Seiko Instruments Inc – LOW VOLTAGE OPERATION CMOS SERIAL E2PROM

Rev.3.1_00
LOW VOLTAGE OPERATION CMOS SERIAL E²PROM
S-93L46A/56A/66A
„ AC Electrical Characteristics
Table 17 Measurement Conditions
Input pulse voltage
0.1 × V_CC to 0.9 × V_CC
Output reference voltage
0.5 × V_CC
Output load
100 pF
Table 18
Parameter
Symbol ^{VCC = 4.5 to 5.5 V VCC = 2.5 to 4.5 V VCC = 1.6 to 2.5 V} Unit
Min. Typ. Max. Min. Typ. Max. Min. Typ. Max.
CS setup time
CS hold time
CS deselect time
Data setup time
Data hold time
Output delay time
Clock frequency^*1
SK clock time “L” ^*1
SK clock time “H” ^*1
Output disable time
Output enable time
t_CSS
0.2
t_CSH
0
t_CDS
0.2
t_DS
0.1
t_DH
0.1
t_PD
—
f_SK
0
t_SKL
0.1
t_SKH
0.1
t_HZ1, t_HZ2 0
t_SV
0
— — 0.4 —
—— 0 —
— — 0.2 —
— — 0.2 —
— — 0.2 —
— 0.4 — —
— 2.0 0 —
— — 0.25 —
— — 0.25 —
— 0.15 0 —
— 0.15 0 —
— 1.0
—0
— 0.4
— 0.4
— 0.4
0.8 —
1.0 0
— 1.0
— 1.0
0.5 0
0.5 0
— — µs
— — µs
— — µs
— — µs
— — µs
— 2.0 µs
— 0.25 MHz
— — µs
— — µs
— 1.0 µs
— 1.0 µs
*1. The clock cycle of the SK clock (frequency: f_SK) is 1/f_SK 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/f_SK) cannot be made equal to t_SKL(Min.) + t_SKH(Min.).
Parameter
Write time
Table 19
Symbol
V_CC = 1.8 to 5.5 V
Unit
Min
Typ.
Max.
t_PR
—
4.0
8.0
ms
Seiko Instruments Inc.
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