CY7C028-12AC Cypress Semiconductor Corp, CY7C028-12AC Datasheet - Page 6

• Manufacturer Part Number: CY7C028-12AC
• Manufacturer: Cypress Semiconductor Corp

Specifications of CY7C028-12AC

• Density: 1Mb
• Access Time (max): 12ns
• Sync/async: Asynchronous
• Architecture: Not Required
• Clock Freq (max): Not RequiredMHz
• Operating Supply Voltage (typ): 5V
• Address Bus: 16b
• Package Type: TQFP
• Operating Temp Range: 0C to 70C
• Number Of Ports: 2
• Supply Current: 325mA
• Operating Supply Voltage (min): 4.5V
• Operating Supply Voltage (max): 5.5V
• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Pin Count: 100
• Word Size: 16b
• Number Of Words: 64K
• Lead Free Status / Rohs Status: Not Compliant

Document #: 38-06042 Rev. *D
Capacitance
AC Test Loads (Applicable to -12 only)
C
C
OUTPUT
Notes
OUTPUT
12. Tested initially and after any design or process changes that may affect these parameters.
13. Test conditions: C = 0 pF.
IN
OUT
C = 30 pF
(a) Normal Load (Load 1)
(a) Load 1 (-12 only)
Parameter
C
Z
0
[12]
= 50Ω
5V
R1 = 893Ω
R = 50Ω
R2 = 347Ω
Input Capacitance
Output Capacitance
V
Description
TH
GND
3.0V
= 1.4V
Figure 3. AC Test Loads and Waveforms
≤
OUTPUT
3 ns
(b) Thévenin Equivalent (Load 1)
10%
C = 30 pF
1.00
0.90
0.80
0.70
0.60
0.50
0.40
0.30
0.20
0.10
0.00
0
ALL INPUT PULSES
[13]
90%
T
V
A
CC
= 25
R
= 5.0V
TH
°
= 250Ω
Test Conditions
C, f = 1 MHz,
5
V
90%
(b) Load Derating Curve
TH
10
10%
= 1.4V
≤
3 ns
Capacitance (pF)
OUTPUT
15
(c) Three-State Delay (Load 2)
C = 5 pF
(Used for t
including scope and jig)
Max
10
10
20
CKLZ
CY7C027/028
CY7C037/038
, t
OLZ
5V
25
, & t
R1 = 893Ω
R2 = 347Ω
Unit
Page 6 of 19
pF
pF
OHZ
30
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