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CY7C1049-25VC Datasheet(PDF) 3 Page - Cypress Semiconductor

Part # CY7C1049-25VC
Description  512K x 8 Static RAM
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Manufacturer  CYPRESS [Cypress Semiconductor]
Direct Link  http://www.cypress.com
Logo CYPRESS - Cypress Semiconductor

CY7C1049-25VC Datasheet(HTML) 3 Page - Cypress Semiconductor

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CY7C1049
PRELIMINARY
Document #: 38-05063 Rev. **
Page 3 of 10
Electrical Characteristics Over the Operating Range (continued)
Test Conditions
7C1049-20
7C1049-25
Parameter
Description
Min.
Max.
Min.
Max.
Unit
VOH
Output HIGH Voltage
VCC = Min., IOH = –4.0 mA
2.4
2.4
V
VOL
Output LOW Voltage
VCC = Min., IOL = 8.0 mA
0.4
0.4
V
VIH
Input HIGH Voltage
2.2
VCC
+ 0.3
2.2
VCC +
0.3
V
VIL
Input LOW Voltage[1]
–0.3
0.8
–0.3
0.8
V
IIX
Input Load Current
GND < VI < VCC
–1+1
–1+1
µA
IOZ
Output Leakage
Current
GND < VOUT < VCC,
Output Disabled
–1+1
–1+1
µA
ICC
VCC Operating
Supply Current
VCC = Max.,
f = fMAX = 1/tRC
185
180
mA
ISB1
Automatic CE
Power-Down Current
—TTL Inputs
Max. VCC, CE > VIH
VIN > VIH or
VIN < VIL, f = fMAX
40
40
mA
ISB2
Automatic CE
Power-Down Current
—CMOS Inputs
Max. VCC,
CE > VCC – 0.3V,
VIN > VCC – 0.3V,
or VIN < 0.3V, f=0
Com’l8
8
mA
Com’lL
0.5
0.5
mA
Ind’l9
9
mA
Military
10
10
mA
Capacitance[3]
Parameter
Description
Test Conditions
Max.
Unit
CIN
Input Capacitance
TA = 25°C, f = 1 MHz,
VCC = 5.0V
8pF
COUT
I/O Capacitance
8
pF
Note:
3.
Tested initially and after any design or process changes that may affect these parameters.
AC Test Loads and Waveforms
1049–3
1049–4
90%
10%
3.0V
GND
90%
10%
ALL INPUT PULSES
5V
OUTPUT
30 pF
INCLUDING
JIG AND
SCOPE
5V
OUTPUT
5 pF
INCLUDING
JIG AND
SCOPE
(a)
(b)
≤ 3ns
≤ 3 ns
OUTPUT
R1 481
R1 481
R2
255
R2
255
167
Equivalent to:
VENIN EQUIVALENT
1.73V
THÉ


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