参数资料
型号: PT7C4307PE
厂商: PERICOM SEMICONDUCTOR CORP
元件分类: XO, clock
英文描述: 1 TIMER(S), REAL TIME CLOCK, PDIP8
封装: LEAD FREE, MS-001BA, DIP-8
文件页数: 8/20页
文件大小: 517K
代理商: PT7C4307PE
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PT0206(02/05)
Ver: 0
16
Preliminary Data Sheet
PT7C4307
Real-time Clock Module (I
2C Bus)
DC Electrical Characteristics
Unless otherwise specified, VDD = 4.5 ~ 5.5 V, TA = -40 °C to +85 °C
Sym.
Item
Pin
Condition
Min
Typ
Max
Unit
VCC
Supply voltage
VCC
4.5
5.0
5.5
VBAT Supply voltage
VBATT
2.0
3.5
V
VPF
Power fail voltage
Note 4
1.216
×
VBAT
1.25
×
VBAT
1.284
×
VBAT
V
OSC on, Note 3
1.5
mA
ICC Current consumption
VCC
OSC off, Note 1
200
A
OSC on, SQW/OUT off, Note 2
300
500
IBAT Current consumption
VBAT
OSC on, SQW/OUT on (32kHz)
480
800
nA
VIL
Low-level input voltage
SCL
0.8
VIH
High-level input voltage
SCL
2.0
V
VOL
Low-level output voltage
SDA
IOL = 5mA
0.4
V
IIL
Input leakage current
SCL
1
A
IOZ
Output current when OFF
SDA
1
A
Note:
1.
VCC = 5.0V and SDA, SCL = 5.0V.
2.
VCC = 0V, VBAT = 3V.
3.
SCL clocking at max frequency = 100kHz. SDA pin open, /EOSC bit = 0 (oscillator enabled)
4.
VPF measured at VBAT = 3.0V.
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