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鍙冩暩(sh霉)璩囨枡
| 鍨嬭櫉(h脿o)锛� | MCP7940MT-I/MS |
| 寤犲晢锛� | Microchip Technology |
| 鏂囦欢闋佹暩(sh霉)锛� | 13/19闋� |
| 鏂囦欢澶�?銆�?/td> | 0K |
| 鎻忚堪锛� | IC RTCC I2C 64B SRAM 8-MSOP |
| 妯�(bi膩o)婧�(zh菙n)鍖呰锛� | 2,500 |
| 椤炲瀷锛� | 鏅�(sh铆)閻�/鏃ユ |
| 鐗归粸(di菐n)锛� | 璀﹀牨(b脿o)鍣�锛岄枏骞�锛屾柟娉㈣几鍑�锛孲RAM |
| 瀛樺劜(ch菙)瀹归噺锛� | 64B |
| 鏅�(sh铆)闁撴牸寮忥細 | HH:MM:SS锛�12/24 灏忔檪(sh铆)锛� |
| 鏁�(sh霉)鎿�(j霉)鏍煎紡锛� | YY-MM-DD-dd |
| 鎺ュ彛锛� | I²C锛�2 绶氫覆鍙� |
| 闆绘簮闆诲锛� | 1.8 V ~ 5.5 V |
| 宸ヤ綔婧害锛� | -40°C ~ 85°C |
| 瀹夎椤炲瀷锛� | 琛ㄩ潰璨艰 |
| 灏佽/澶栨锛� | 8-TSSOP锛�8-MSOP锛�0.118"锛�3.00mm 瀵級 |
| 渚涙噳(y墨ng)鍟嗚ō(sh猫)鍌欏皝瑁濓細 | 8-MSOP |
| 鍖呰锛� | 甯跺嵎 (TR) |
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2012 Microchip Technology Inc.
Preliminary
DS22292A-page 3
MCP7940M
1.0
ELECTRICAL CHARACTERISTICS
Absolute Maximum Ratings ()
VCC.............................................................................................................................................................................6.5V
All inputs and outputs w.r.t. VSS ..........................................................................................................-0.6V to VCC +1.0V
Storage temperature ...............................................................................................................................-65掳C to +150掳C
Ambient temperature with power applied................................................................................................-40掳C to +125掳C
ESD protection on all pins
4 kV
TABLE 1-1:
DC CHARACTERISTICS
NOTICE: Stresses above those listed under 鈥淎bsolute Maximum Ratings鈥� may cause permanent damage to the
device. This is a stress rating only and functional operation of the device at those or any other conditions above those
indicated in the operational listings of this specification is not implied. Exposure to maximum rating conditions for
extended periods may affect device reliability.
DC CHARACTERISTICS
Electrical Characteristics:
Industrial (I):
VCC = +1.8V to 5.5V
TA = -40掳C to +85掳C
Param.
No.
Sym.
Characteristic
Min.
Typ.
Max.
Units
Conditions
鈥�
SCL, SDA pins
鈥�
D1
VIH
High-level input voltage
0.7 VCC
鈥擵
鈥�
D2
VIL
Low-level input voltage
鈥�
0.3 VCC
0.2 VCC
VVCC = 2.5V to 5.5V
D3
VHYS
Hysteresis of Schmitt
Trigger inputs
(SDA, SCL pins)
0.05
VCC
鈥擵
D4
VOL
Low-level output voltage
(MFP, SDA)
鈥�0.40
V
IOL = 3.0 ma @ VCC = 4.5V
IOL = 2.1 ma @ VCC = 2.5V
D5
ILI
Input leakage current
鈥�
卤1
AVIN = VSS or VCC
D6
ILO
Output leakage current
鈥�
卤1
AVOUT = VSS or VCC
D7
CIN,
COUT
Pin capacitance
(SDA, SCL and MFP)
鈥�10
pF
TA = 25掳C, f = 400 kHz
D8
ICC Read Operating current
SRAM
鈥�
300
AVCC = 5.5V, SCL = 400 kHz
ICC Write
鈥�
400
AVCC = 5.5V, SCL = 400 kHz
D9
ICCS
Standby current
鈥�
1
AVCC = 5.5V, SCL = SDA = VCC
D10
IVcc
Operating Current
25
D11
COSC
Oscillator Pin
Capacitance
鈥�3
鈥�
pF
Note 1:
This parameter is periodically sampled and not 100% tested.
2:
Oscillator Running.
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