參數(shù)資料
型號(hào)： M48T58Y-70MH1E
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, PDSO28
封裝： 0.330 INCH, ROHS COMPLIANT, PLASTIC, SOH-28
文件頁(yè)數(shù)： 15/33頁(yè)
文件大?。?/td> 511K
代理商： M48T58Y-70MH1E
DC and AC parameters
M48T58, M48T58Y
Doc ID 2412 Rev 7
8
DC and AC parameters
This section summarizes the operating and measurement conditions, as well as the DC and
AC characteristics of the device. The parameters in the following DC and AC characteristic
tables are derived from tests performed under the measurement conditions listed in Table 7.
Designers should check that the operating conditions in their projects match the
measurement conditions when using the quoted parameters.
Table 7.
Operating and AC measurement conditions
Note:
Output Hi-Z is defined as the point where data is no longer driven.
Figure 11.
AC measurement load circuit
Table 8.
Capacitance
Parameter
M48T58
M48T58Y
Unit
Supply voltage (VCC)
4.75 to 5.5
4.5 to 5.5
V
Ambient operating temperature (TA)
0 to 70
°C
Load capacitance (CL)100
100
pF
Input rise and fall times
≤ 5
≤ 5ns
Input pulse voltages
0 to 3
V
Input and output timing ref. voltages
1.5
V
Symbol
Parameter(1)(2)
1.
Effective capacitance measured with power supply at 5 V; sampled only, not 100% tested.
2.
At 25 °C, f = 1 MHz.
Min
Max
Unit
CIN
Input capacitance
-
10
pF
COUT
(3)
3.
Outputs deselected.
Output capacitance
-
10
pF
AI01030
5V
OUT
CL = 100pF or 5pF
CL includes JIG capacitance
1.9k
Ω
DEVICE
UNDER
TEST
1k
Ω
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