- 鎮ㄧ従(xi脿n)鍦ㄧ殑浣嶇疆锛�璨�(m菐i)璩�(m脿i)IC缍�(w菐ng) > PDF鐩寗9400 > MCP7940N-I/MS (Microchip Technology)IC RTCC 64B SRAM GP 8-MSOP PDF璩囨枡涓嬭級
鍙冩暩(sh霉)璩囨枡
| 鍨嬭櫉(h脿o)锛� | MCP7940N-I/MS |
| 寤�(ch菐ng)鍟嗭細 | Microchip Technology |
| 鏂囦欢闋�(y猫)鏁�(sh霉)锛� | 8/14闋�(y猫) |
| 鏂囦欢澶�?銆�?/td> | 0K |
| 鎻忚堪锛� | IC RTCC 64B SRAM GP 8-MSOP |
| 妯�(bi膩o)婧�(zh菙n)鍖呰锛� | 100 |
| 椤�(l猫i)鍨嬶細 | 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�(xi脿n)涓插彛 |
| 闆绘簮闆诲锛� | 1.8 V ~ 5.5 V |
| 闆诲 - 闆绘簮锛岄浕姹狅細 | 1.3 V ~ 5.5 V |
| 宸ヤ綔婧害锛� | -40°C ~ 85°C |
| 瀹夎椤�(l猫i)鍨嬶細 | 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� | 绠′欢 |
绗�1闋�(y猫)绗�2闋�(y猫)绗�3闋�(y猫)绗�4闋�(y猫)绗�5闋�(y猫)绗�6闋�(y猫)绗�7闋�(y猫)鐣�(d膩ng)鍓嶇8闋�(y猫)绗�9闋�(y猫)绗�10闋�(y猫)绗�11闋�(y猫)绗�12闋�(y猫)绗�13闋�(y猫)绗�14闋�(y猫)
2011 Microchip Technology Inc.
DS25010C-page 3
MCP7940N
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
IBAT
Operating Current
鈥�
700
鈥�
nA
IVCC
鈥�5
鈥�
D11
VTRIP
VBAT Change Over
1.3
1.7
V
1.5V typical at TAMB = 25掳C
D12
VCCFT
300
鈥�
sFrom VTRIP (max) to VTRIP (min)
D13
VCCRT
0鈥�
sFrom VTRIP (min) to VTRIP (max)
D14
VBAT
VBAT Voltage Range
1.3
5.5
V
鈥�
D15
COSC
Oscillator Pin
Capacitance
鈥�3
鈥�
pF
Note 1:
This parameter is periodically sampled and not 100% tested.
2:
Standby with oscillator running.
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