emc643sp16ak Emlsi Inc., emc643sp16ak Datasheet - Page 31
emc643sp16ak
Manufacturer Part Number
emc643sp16ak
Description
4mx16 Bit Cellularram Ad-mux
Manufacturer
Emlsi Inc.
Datasheet
1.EMC643SP16AK.pdf
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Table 11: Partial-Array Refresh Specifications and Conditions
Note: IPAR (MAX) values measured at 85°C. IPAR might be slightly higher for up to 500 ms after changes to the PAR array partition or when entering
standby mode.
Table 12: Capacitance
Note: 1. These parameters are verified in device characterization and are not 100% tested.
Figure 20: AC Input/Output Reference Waveform
Note:
1. AC test inputs are driven at VCCQ for a logic 1 and VSSQ for a logic 0. Input rise and fall times (10% to 90%) <1.6ns.
2. Input timing begins at VCCQ/2.
3. Output timing ends at VCCQ/2.
Figure 21: AC Output Load Circuit
Note: All tests are performed with the outputs configured for default setting of half drive strength (BCR[5:4] = 01b).
Input/Output Capacitance(A/
Input Capacitance
Partial-array refresh
Description
standby current
Description
DQ)
Input
VccQ
VssQ
1
VccQ/2
2
V
IN
Tc = = +25°C; f = 1 MHz;
= V
CCQ
Conditions
Conditions
or 0V, CE# = V
V
DUT
IN
= 0V
Test Points
CCQ
Test Points
30pF
50Ω
31
I
PAR
Symbol
Symbol
Standard power (no
C
C
VccQ/2
IN
IO
designation )
VccQ/2
4Mx16 CellularRAM AD-MUX
3
Min
2.0
3.0
EMC643SP16AK
Array Partition
Output
Full
1/2
1/4
1/8
0
Max
6.5
6
Max
140
120
110
105
95
Unit
pF
pF
Notes
Unit
uA
1
1
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