参数资料
型号: PCA8581T/6,118
厂商: NXP Semiconductors
文件页数: 11/20页
文件大小: 0K
描述: IC EEPROM 1KBIT 100KHZ 8SOIC
标准包装: 2,500
格式 - 存储器: EEPROMs - 串行
存储器类型: EEPROM
存储容量: 1K (128 x 8)
速度: 100kHz
接口: I²C,2 线串口
电源电压: 4.5 V ~ 5.5 V
工作温度: -25°C ~ 85°C
封装/外壳: 8-SOIC(0.154",3.90mm 宽)
供应商设备封装: 8-SO
包装: 带卷 (TR)
其它名称: 935276987118
PCA8581TD-T
PCA8581TD-T-ND

Philips Semiconductors
128 × 8-bit EEPROM with I 2 C-bus interface
Product speci?cation
PCA8581; PCA8581C
11 AC CHARACTERISTICS
All timing values are valid within the operating supply voltage and ambient temperature range and reference to V IL and
V IH with an input voltage swing of V SS to V DD .
SYMBOL
PARAMETER
MIN.
TYP.
MAX.
UNIT
I 2 C-bus timing (see Fig.11; note 1)
f SCL
t SP
t BUF
t SU;STA
t HD;STA
t LOW
t HIGH
t r
t f
t SU;DAT
t HD;DAT
t VD;DAT
t SU;STO
SCL clock frequency
tolerable spike width on bus
bus free time
START condition set-up time
START condition hold time
SCL LOW time
SCL HIGH time
SCL and SDA rise time
SCL and SDA fall time
data set-up time
data hold time
SCL LOW to data out valid
STOP condition set-up time
?
?
4.7
4.7
4.0
4.7
4.0
?
?
250
0
?
4.0
?
?
?
?
?
?
?
?
?
?
?
?
?
100
100
?
?
?
?
?
1.0
0.3
?
?
3.4
?
kHz
ns
μ s
μ s
μ s
μ s
μ s
μ s
μ s
ns
ns
μ s
μ s
Note
1. A detailed description of the I 2 C-bus specification, with applications, is given in brochure “The I 2 C-bus and how to
use it”. This brochure may be ordered using the code 9398 393 40011.
handbook, full pagewidth
PROTOCOL
START
CONDITION
BIT 7
MSB
BIT 6
(A6)
BIT 0
LSB
ACKNOWLEDGE
(A)
STOP
CONDITION
(S)
(A7)
(R/W)
(P)
t SU;STA
t LOW
t HIGH
1 / f SCL
SCL
t
BUF
t r
t
f
SDA
t HD;STA
t SU;DAT
t
HD;DAT
t VD;DAT
MBD820
t SU;STO
Fig.11 I 2 C-bus timing diagram; rise and fall times refer to V IL and V IH .
1997 Apr 02
11
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