參數(shù)資料
型號(hào): PCB2421P
廠商: NXP SEMICONDUCTORS
元件分類: PROM
英文描述: 1K dual mode serial EEPROM
中文描述: I2C/2-WIRE SERIAL EEPROM, PDIP8
封裝: 0.300 MIL, PLASTIC, MO-001-AN, SOT-97-1, DIP-8
文件頁(yè)數(shù): 14/24頁(yè)
文件大?。?/td> 112K
代理商: PCB2421P
1997 Apr 01
14
Philips Semiconductors
Preliminary specification
1K dual mode serial EEPROM
PCB2421
10 AC CHARACTERISTICS
V
DD
= 4.5 to 5.5 V; V
SS
= 0 V; T
amb
= 0 to +70
°
C; unless otherwise specified.
Notes
1.
2.
The rise time for SDA returning HIGH must be observed after this period.
This is the time that the bus must be free before a new transmission can start.
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
DDC1 mode (transmit-only; unidirectional)
t
VAA
t
VHIGH
t
VLOW
t
VHZ
t
SP
t
vpu
output valid from VCLK
VCLK HIGH time
VCLK LOW time
mode transition time
input filter spike suppression time
DDC1 mode power-up time
see Fig.12; note 1
see Fig.12
see Fig.12
see Fig.3; note 1
20
20
1
500
5
100
μ
s
μ
s
μ
s
ns
ns
μ
s
see Fig.4
DDC2B mode (bidirectional; I
2
C-bus mode);
see Fig.13
f
SCL
t
HIGH
t
LOW
t
r
t
f
t
HD;STA
t
SU;STA
t
HD;DAT
t
SU;DAT
t
SU;STO
t
BUF
t
SP
serial clock frequency
serial clock HIGH time
serial clock LOW time
SCL and SDA rise time
SCL and SDA fall time
START condition hold time
START condition set-up time
data input hold time
data input set-up time
STOP condition set-up time
bus free time
input filter spike suppression
0
4
4.7
4
4.7
0
250
4
4.7
100
1
0.3
100
kHz
μ
s
μ
s
μ
s
μ
s
μ
s
μ
s
μ
s
ns
μ
s
μ
s
ns
note 2
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