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부품번호 S93A46A 기능
기능 (S93Ax6A) CMOS SERIAL E2PROM
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S93A46A 데이터시트, 핀배열, 회로
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




S93A46A pdf, 반도체, 판매, 대치품
www.DataSheet4U.com
CMOS SERIAL E2PROM
S-93A46A/56A/66A
Rev.2.1_00
2. S-93A56A
Table 3
Instruction
Start Bit
Operation Code
Address
Data
SK input clock
1
2 3 4 5 6 7 8 9 10 11
12 to 27
READ (Read data)
1 1 0 x A6 A5 A4 A3 A2 A1 A0 D15 to D0 output*1
WRITE (Write data)
1 0 1 x A6 A5 A4 A3 A2 A1 A0 D15 to D0 input
ERASE (Erase data) 1 1 1 x A6 A5 A4 A3 A2 A1 A0
WRAL (Write all)
1
0
0 0 1xxxxxx
D15 to D0 input
ERAL (Erase all)
1 0 0 1 0xxxxxx
EWEN (Write enable) 1 0 0 1 1 x x x x x x
EWDS (Write disable) 1 0 0 0 0 x x x x x x
*1. When the 16-bit data in the specified address has been output, the data in the next address is output.
Remark x: Doesn’t matter
3. S-93A66A
Table 4
Instruction
Start Bit
Operation Code
Address
Data
SK input clock
1
2 3 4 5 6 7 8 9 10 11
12 to 27
READ (Read data)
1 1 0 A7 A6 A5 A4 A3 A2 A1 A0 D15 to D0 output*1
WRITE (Write data)
1 0 1 A7 A6 A5 A4 A3 A2 A1 A0 D15 to D0 input
ERASE (Erase data) 1 1 1 A7 A6 A5 A4 A3 A2 A1 A0
WRAL (Write all)
1
0
0 0 1xxxxxx
D15 to D0 input
ERAL (Erase all)
1 0 0 1 0xxxxxx
EWEN (Write enable) 1 0 0 1 1 x x x x x x
EWDS (Write disable) 1 0 0 0 0 x x x x x x
*1. When the 16-bit data in the specified address has been output, the data in the next address is output.
Remark x: Doesn’t matter
4 Seiko Instruments Inc.

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S93A46A 전자부품, 판매, 대치품
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Rev.2.1_00
CMOS SERIAL E2PROM
S-93A46A/56A/66A
„ AC Electrical Characteristics
Table 12 Test Conditions
Input pulse voltage
0.1 × VCC to 0.9 × VCC
Output reference voltage 0.5 × VCC
Output load
100 pF
Table 13
Parameter
Symbol
VCC = 4.5 to 5.5 V
Min. Typ. Max.
VCC = 2.7 to 4.5 V
Min. Typ. Max.
Unit
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
tPD — — 0.6 — — 1.2 µs
Clock frequency*1
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.).
Parameter
Write time
Table 14
Symbol
tPR
VCC = 2.7 to 5.5 V
Min. Typ.
4.0
Max.
8.0
Unit
ms
Seiko Instruments Inc.
7

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S93A46A

(S93Ax6A) CMOS SERIAL E2PROM

Seiko Instruments
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