參數(shù)資料
型號(hào): M48T212V-70MH6
廠商: STMICROELECTRONICS
元件分類: 時(shí)鐘/數(shù)據(jù)恢復(fù)及定時(shí)提取
英文描述: 0 TIMER(S), REAL TIME CLOCK, PDSO44
封裝: SNAPHAT, PLASTIC, SO-44
文件頁(yè)數(shù): 18/23頁(yè)
文件大?。?/td> 150K
代理商: M48T212V-70MH6
M48T212Y, M48T212V
4/23
Figure 3. Hardware Hookup
Note: 1. See description in Power Supply Decoupling and Undershoot Protection.
2. Traces connecting E1CON and E2CON to external SRAM should be as short as possible.
AI03046
A0-A3
DQ0-DQ7
A
VCC
W
G
WDI
RSTIN1
RSTIN2
VSS
E
VCC
A0-Axx
0.1
F
0.1
F
5V/3.3V
E2CON
RST
IRQ/FT
M48T212Y/V
CMOS
SRAM
VOUT
E
VCC
CMOS
SRAM
E1CON
Note 2
MOTOROLA
MTD20P06HDL
VCCSW
1N5817 (1)
EX
E
A0-A18
A0-Axx
Figure 4. AC Testing Load Circuit
Note: 1. DQ0-DQ7
2. E1CON and E2CON
AI03239
CL = 100pF or 5pF
(1)
CL =30 pF
(2)
645
DEVICE
UNDER
TEST
1.75V
CL includes JIG capacitance
Table 5. AC Measurement Conditions
Note that Output Hi-Z is defined as the point where data
is no longer driven.
Input Rise and Fall Times
≤ 5ns
Input Pulse Voltages
0 to 3V
Input and Output Timing Ref. Voltages
1.5V
相關(guān)PDF資料
PDF描述
M48T212V-70MH1TR 0 TIMER(S), REAL TIME CLOCK, PDSO44
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