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PDF ( 数据手册 , 数据表 ) S93C66B

零件编号 S93C66B
描述 (S93Cx6B) CMOS SERIAL E2PROM
制造商 Seiko Instruments
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S93C66B 数据手册, 描述, 功能
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Rev. 3.1_01
CMOS SERIAL E2PROM
S-93C46B/56B/66B
The S-93C46B/56B/66B is a high speed, low current
consumption, 1/2/4 K-bit serial E2PROM with a wide
operating voltage range. It is organized as 64-word
× 16-bit, 128-word × 16-bit, 256-word × 16-bit,
respectively. Each 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: 1.5 µA Max. (VCC = 5.5 V)
Operating: 0.8 mA Max. (VCC = 5.5 V)
0.4 mA Max. (VCC = 2.5 V)
Wide operating voltage range Read:
1.8 to 5.5 V (at 40 to +85°C)
Write:
2.7 to 5.5 V (at 40 to +85°C)
Sequential read capable
Write disable function when power supply voltage is low
Function to protect against write due to erroneous instruction recognition
Endurance:
107 cycles/word* (at +25°C) write capable,
106 cycles/word* (at +85°C)
3 × 105 cycles/word* (at +105°C)
* For each address (Word: 16 bits)
Data retention: 10 years (after rewriting 106 cycles/word at +85°C)
S-93C46B:
1 K-bit NM93CS46 instruction code compatible
S-93C56B:
2 K-bit NM93CS56 instruction code compatible
S-93C66B:
4 K-bit NM93CS66 instruction code compatible
High-temperature operation: +105°C Max. supported
(Only S-93Cx6BD0H-J8T2, S-93Cx6BD0H-T8T2)
„ Packages
Package name
8-Pin DIP
8-Pin SOP(JEDEC)
8-Pin TSSOP
SNT-8A
Package
DP008-F
FJ008-A
FT008-A
PH008-A
Drawing code
Tape
FJ008-D
FT008-E
PH008-A
Reel
FJ008-D
FT008-E
PH008-A
Caution This product is intended to use in general electronic devices such as consumer electronics,
office equipment, and communications devices. Before using the product in medical
equipment or automobile equipment including car audio, keyless entry and engine control
unit, contact to SII is indispensable.
Seiko Instruments Inc.
1







S93C66B pdf, 数据表
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CMOS SERIAL E2PROM
S-93C46B/56B/66B
Rev.3.1_01
„ DC Electrical Characteristics
Table 13
Parameter Symbol Conditions
Current
consumption ICC1 DO no load
(READ)
VCC = 4.5 to 5.5 V
Min. Typ. Max.
  0.8
40 to +85°C
+85 to +105°C
VCC = 2.5 to 4.5 V VCC = 1.8 to 2.5 V VCC = 4.5 to 5.5 V
Min. Typ. Max. Min. Typ. Max. Min. Typ. Max.
  0.5   0.4   0.8
Unit
mA
Table 14
Parameter
Symbol Conditions
40 to +85°C
VCC = 4.5 to 5.5 V
VCC = 2.7 to 4.5 V
Min. Typ. Max. Min. Typ. Max.
+85 to +105°C
VCC = 4.5 to 5.5 V
Min. Typ. Max.
Unit
Current consumption
(WRITE)
ICC2
DO no load
2.0
1.5
2.0 mA
Table 15
Parameter
Standby current
consumption
Input leakage
current
Output leakage
current
40 to +85°C
+85 to +105°C
Symbol
Conditions
VCC = 4.5 to 5.5 V VCC = 2.5 to 4.5 V VCC = 1.8 to 2.5 V VCC = 4.5 to 5.5 V Unit
Min. Typ. Max. Min. Typ. Max. Min. Typ. Max. Min. Typ. Max.
CS = GND, DO =
ISB
Open, Other inputs
to VCC or GND
1.5
1.5
1.5   1.5 µA
ILI VIN = GND to VCC 0.1 1.0 0.1 1.0 0.1 1.0 0.1 1.0 µA
ILO VOUT = GND to VCC 0.1 1.0 0.1 1.0 0.1 1.0 0.1 1.0 µA
Low level output
voltage
VOL
IOL = 2.1 mA
IOL = 100 µA
  0.4         0.4 V
  0.1   0.1   0.1   0.1 V
High level output
voltage
VOH
IOH = −400 µA 2.4     
IOH = −100 µA VCC0.3   VCC0.3  
   2.4   V
   VCC0.3   V
IOH = −10 µA VCC0.2   VCC0.2   VCC0.2   VCC0.2   V
Write enable latch
Only when write
data hold voltage VDH disable mode
1.5

1.5

1.5   1.5   V
8 Seiko Instruments Inc.







S93C66B equivalent, schematic
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CMOS SERIAL E2PROM
S-93C46B/56B/66B
Rev.3.1_01
4.4 Writing to chip (WRAL)
To write the same 16-bit data to the entire memory address space, change CS to high, and then
input the WRAL instruction, an address, and 16-bit data following the start bit. Any address can be
input. The write operation starts when CS goes low. There is no need to set the data to 1 before
writing. If the clocks more than the specified number have been input, the clock pulse monitoring
circuit cancels the WRAL instruction. For details of the clock pulse monitoring circuit, refer to “„
Function to Protect Against Write due to Erroneous Instruction Recognition”.
CS
SK
DI
DO
1 2 3 4 5 6 7 8 9 10
<1> 0 0 0 1
Hi-Z
D15
4Xs
tCDS
Verify
Standby
25
D0
tSV
tPR
Busy
Ready
tHZ1
Hi-Z
Figure 14 Chip Write Timing (S-93C46B)
CS
SK
DI
DO
1 2 3 4 5 6 7 8 9 10 11 12
<1> 0 0 0
1
Hi-Z
6Xs
D15
tCDS
27
Verify
Standby
D0
tSV
tPR
Busy
Ready
tHZ1
Hi-Z
Figure 15 Chip Write Timing (S-93C56B, S-93C66B)
16 Seiko Instruments Inc.










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