CY7C1046BN 데이터 시트보기 (PDF) - Cypress Semiconductor
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CY7C1046BN Datasheet PDF : 9 Pages
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CY7C1046BN
AC Test Loads and Waveforms
R1 481Ω
5V
OUTPUT
30 pF
INCLUDING
JIG AND
SCOPE
(a)
R1 481 Ω
Vcc
5V
ALL INPUT PULSES
90%
90%VCC
OUTPUT
R2
255 Ω
5 pF
GND
R2
255 Ω
10%
10%VCC
INCLUDING
JIG AND
SCOPE
(b)
1046B–3
Rise Time:1 V/ns
Fall Time:1 V/ns
1046B–4
Equivalent to: THÉVENIN EQUIVALENT
OUTPUT
167Ω
1.73V
Switching Characteristics (over the operating range)[4]
Parameter
READ CYCLE
tpower
tRC
tAA
tOHA
tACE
tDOE
tLZOE
tHZOE
tLZCE
tHZCE
tPU
tPD
Description
VCC(typ) to the First Access[5]
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[6, 7]
CE LOW to Low-Z[7]
CE HIGH to High-Z[6, 7]
CE LOW to Power Up
CE HIGH to Power Down
7C1046BN-15
Min
Max
Unit
1
μs
15
ns
15
ns
3
ns
15
ns
7
ns
0
ns
7
ns
3
ns
7
ns
0
ns
15
ns
Notes
4. Test conditions are based on signal transition times of 3 ns or less, timing reference levels of 1.5V, input pulse levels of 0 to 3.0V, and output loading of the
specified IOL/IOH and 30-pF load capacitance.
5. This part has a voltage regulator which steps down the voltage from 5V to 3.3V internally. tPOWER is the time that the power needs to be supplied above VCC(typ)
initially before a Read or Write operation can be initiated.
6. tHZOE, tHZCE, and tHZWE are specified with a load capacitance of 5 pF as in part (b) of AC Test Loads. Transition is measured ±500 mV from steady-state voltage.
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.
Document #: 001-11924 Rev. **
Page 3 of 9
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