CY7C1021CV26-15BAET(2010) データシートの表示（PDF） - Cypress Semiconductor
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CY7C1021CV26-15BAET Datasheet PDF : 15 Pages
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CY7C1021CV26
AC Test Loads and Waveforms[5]
2.6 V
OUTPUT
30 pF
INCLUDING
JIG AND
SCOPE
R1
1830
R2
1976
(a)
2.6V
GND
ALL INPUT PULSES
90%
90%
10%
10%
High Z characteristics:
2.6V
OUTPUT
5 pF
R 317
Rise Time: 1 V/ns
(b)
Fall Time: 1 V/ns
(c)
R2
351
Switching Characteristics
Over the Operating Range[6]
Parameter
Read Cycle
tRC
tAA
tOHA
tACE
tDOE
tLZOE
tHZOE
tLZCE
tHZCE
tPU[9]
tPD[9]
tDBE
tLZBE
tHZBE
Description
Read cycle time
Address to data valid
Data hold from address change
CE LOW to data valid
OE LOW to data valid
OE LOW to low Z[7]
OE HIGH to high Z[7, 8]
CE LOW to low Z[7]
CE HIGH to high Z[7, 8]
CE LOW to power-up
CE HIGH to power-down
Byte enable to data valid
Byte enable to low Z
Byte disable to high Z
–15
Unit
Min
Max
15
–
ns
–
15
ns
3
–
ns
–
15
ns
–
7
ns
0
–
ns
–
7
ns
3
–
ns
–
7
ns
0
–
ns
–
15
ns
–
7
ns
0
–
ns
–
7
ns
Notes
5. AC characteristics (except high Z) are tested using the Thevenin load shown in Figure (a). High Z characteristics are tested for all speeds using the test load
shown in Figure (c)
6. Test conditions assume signal transition time of 2.6 ns or less, timing reference levels of 1.3 V, input pulse levels of 0 to 2.6 V.
7. At any given temperature and voltage condition, tHZCE is less than tLZCE, tHZOE is less than tLZOE, and tHZWE is less than tLZWE for any given device.
8. tHZOE, tHZBE, tHZCE, and tHZWE are specified with a load capacitance of 5 pF as in part (d) of AC Test Loads. Transition is measured 500 mV from steady-state voltage.
9. This parameter is guaranteed by design and is not tested.
Document Number: 38-05589 Rev. *E
Page 5 of 15
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