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S93A56A Schematic ( PDF Datasheet ) - Seiko Instruments

Teilenummer S93A56A
Beschreibung (S93Ax6A) CMOS SERIAL E2PROM
Hersteller Seiko Instruments
Logo Seiko Instruments Logo 




Gesamt 30 Seiten
S93A56A Datasheet, Funktion
www.DataSheet4U.com
Rev.2.1_00
CMOS SERIAL E2PROM
S-93A46A/56A/66A
The S-93A46A/56A/66A is a high-temperature
operation, high speed, low current consumption, 1 K-
bit, 2 K-bit and 4 K-bit serial E2PROM with a wide
operating voltage range. It is organized as 64-word ×
16-bit, 128-word × 16-bit and 256-word × 16-bit in
each. It is capable of sequential read, at which time
addresses are automatically incremented in 16-bit
blocks. The instruction code is compatible with the
NM93CS46/56/66.
„ Features
Low current consumption
Standby: 3.0 µA Max. (VCC = 5.5 V)
Operating: 1.0 mA Max. (VCC = 5.5 V)
0.6 mA Max. (VCC = 2.7 V)
Wide operating voltage range Read: 2.7 to 5.5 V
Write: 2.7 to 5.5 V
Sequential read capable
Write disable function when power supply voltage is low
Function to protect against write due to erroneous instruction recognition
CMOS schmitt input (CS, SK)
Endurance:
106 cycles/word* (at +85°C)
1.5 × 105 cycles/word* (at +125°C)
* For each address (Word: 16 bits)
Data retention:
15 years (after rewriting 1.5 × 105 cycles/word at +125°C)
High-temperature operation: +125°C Max.
Lead-free products
„ Packages
Package name
8-Pin SOP (JEDEC)
Package
FJ008-A
Drawing code
Tape
FJ008-D
Reel
FJ008-D
Caution Before using the product in medical equipment or automobile equipment including car audios,
keyless entries and engine control units, contact to SII is indispensable.
Seiko Instruments Inc.
1






S93A56A Datasheet, Funktion
www.DataSheet4U.com
CMOS SERIAL E2PROM
S-93A46A/56A/66A
Rev.2.1_00
„ Endurance
Table 8
Item
Symbol
Operating
temperature
Endurance
NW 40 to +125°C
*1. For each address (Word: 16 bits)
Min.
1.5 × 105
Typ.
Max.
Unit
cycles/word*1
„ DC Electrical Characteristics
Table 9
Item
Symbol Condition
Current consumption
(READ)
ICC1 DO no load
VCC = 4.5 to 5.5 V VCC = 2.7 to 4.5 V Unit
Min. Typ. Max. Min. Typ. Max.
  1.0   0.6 mA
Table 10
Item
Symbol Condition
Current consumption
(WRITE)
ICC2 DO no load
VCC = 4.5 to 5.5 V VCC = 2.7 to 4.5 V Unit
Min. Typ. Max. Min. Typ. Max.
  2.0   1.5 mA
Item
Standby current
consumption
Input leakage
current
Output leakage
current
Low level output
voltage
High level output
voltage
Write enable
latch data hold
voltage
Table 11
Symbol
Condition
ISB
CS = GND, DO = Open,
Other inputs to VCC or GND
ILI VIN = GND to VCC
VCC = 4.5 to 5.5 V
Min. Typ. Max.
  3.0
0.1 2.0
VCC = 2.7 to 4.5 V
Min. Typ. Max.
  3.0
0.1 2.0
ILO VOUT = GND to VCC
VOL IOL = 2.1 mA
IOL = 100 µA
VOH IOH = −400 µA
IOH = −100 µA
IOH = −10 µA
VDH
Only when write disable
mode
0.1
2.4
VCC0.3
VCC0.2
1.5
2.0 0.1
0.6
0.2

VCC0.3
VCC0.2
1.5
2.0
0.2
Unit
µA
µA
µA
V
V
V
V
V
V
6 Seiko Instruments Inc.

6 Page









S93A56A pdf, datenblatt
www.DataSheet4U.com
CMOS SERIAL E2PROM
S-93A46A/56A/66A
Rev.2.1_00
4.2 Writing Data (WRITE)
To write 16-bit data to a specified address, change CS to high and then input the WRITE instruction,
address, and 16-bit data following the start bit. The write operation starts when CS goes low. There
is no need to set the data to 1 before writing. When the clocks more than the specified number have
been input, the clock pulse monitoring circuit cancels the WRITE instruction. For details of the clock
pulse monitoring circuit, refer to “„ Function to Protect Against Write due to Erroneous
Instruction Recognition”.
tCDS
CS
Verify
Standby
SK
1 2 3 4 5 6 7 8 9 10
25
DI
DO
<1> 0 1 A5 A4 A3 A2 A1 A0 D15
Hi-Z
D0
tSV
tPR
busy
ready
tHZ1
Hi-Z
Figure 6 Data Write Timing (S-93A46A)
CS
SK
DI
DO
1 2 3 4 5 6 7 8 9 10 11 12
<1> 0 1
A6 A5 A4 A3 A2 A1 A0 D15
Hi-Z
x:S-93A56A
A7:S-93A66
tCDS
27
Verify
Standby
D0
tSV
tPR
busy
ready
tHZ1
Hi-Z
Figure 7 Data Write Timing (S-93A56A/66A)
12 Seiko Instruments Inc.

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