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參數(shù)資料
| 型號(hào)： | 935191710118 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類(lèi)： | PROM |
| 英文描述： | 256 X 8 I2C/2-WIRE SERIAL EEPROM, PDSO8 |
| 封裝： | PLASTIC, SOT-96, SO-8 |
| 文件頁(yè)數(shù)： | 21/27頁(yè) |
| 文件大?。?/td> | 219K |
| 代理商： | 935191710118 |
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1997 Feb 13
3
Philips Semiconductors
Product specication
256 to 1024
× 8-bit CMOS EEPROMs with
I2C-bus interface
PCF85xxC-2 family
1
FEATURES
Low power CMOS:
– maximum operating current:
2.0 mA (PCF8582C-2)
2.5 mA (PCF8594C-2)
4.0 mA (PCF8598C-2)
– maximum standby current 10
A (at 6.0 V),
typical 4
A
Non-volatile storage of:
– 2 kbits organized as 256
× 8-bit (PCF8582C-2)
– 4 kbits organized as 512
× 8-bit (PCF8594C-2)
– 8 kbits organized as 1024
× 8-bit (PCF8598C-2)
Single supply with full operation down to 2.5 V
On-chip voltage multiplier
Serial input/output I2C-bus
Write operations:
– byte write mode
– 8-byte page write mode
(minimizes total write time per byte)
Read operations:
– sequential read
– random read
Internal timer for writing (no external components)
Power-on-reset
High reliability by using a redundant storage code
Endurance: 1000000 Erase/Write (E/W) cycles at
Tamb =22 °C
10 years non-volatile data retention time
Pin and address compatible to: PCF8570, PCF8571,
PCF8572 and PCF8581.
2
GENERAL DESCRIPTION
The PCF85xxC-2 is a family of floating gate Electrically
Erasable Programmable Read Only Memories
(EEPROMs) with 2, 4 and 8 kbits (256, 512 and
1024
× 8-bit). By using an internal redundant storage code
it is fault tolerant to single bit errors. This feature
dramatically increases the reliability compared to
conventional EEPROMs. Power consumption is low due to
the full CMOS technology used. The programming voltage
is generated on-chip, using a voltage multiplier.
As data bytes are received and transmitted via the serial
I2C-bus, a package using eight pins is sufficient. Up to
eight PCF85xxC-2 devices may be connected to the
I2C-bus. Chip select is accomplished by three address
inputs (A0, A1 and A2).
Timing of the E/W cycle is carried out internally, thus no
external components are required. Pin 7 (PTC) must be
connected to either VDD or left open-circuit. There is an
option of using an external clock for timing the length of an
E/W cycle.
3
QUICK REFERENCE DATA
SYMBOL
PARAMETER
CONDITIONS
MIN.
MAX.
UNIT
VDD
supply voltage
2.5
6.0
V
IDDR
supply current read
fSCL = 100 kHz
VDD = 2.5 V
60
A
VDD =6V
200
A
IDDW
supply current E/W
fSCL = 100 kHz
PCF8582C-2
VDD = 2.5 V
0.6
mA
VDD =6V
2.0
mA
PCF8594C-2
VDD = 2.5 V
0.8
mA
VDD =6V
2.5
mA
PCF8598C-2
VDD = 2.5 V
1.0
mA
VDD =6V
4.0
mA
IDD(stb)
standby supply current
VDD = 2.5 V
3.5
A
VDD =6V
10
A
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