CY7C007A-20AC Cypress Semiconductor Corp, CY7C007A-20AC Datasheet - Page 7

• Manufacturer Part Number: CY7C007A-20AC
• Description: IC SRAM 256KBIT 20NS 80LQFP
• Manufacturer: Cypress Semiconductor Corp

Specifications of CY7C007A-20AC

• Format - Memory: RAM
• Memory Type: SRAM - Dual Port, Asynchronous
• Memory Size: 256K (32K x 8)
• Speed: 20ns
• Interface: Parallel
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 80-LQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: 428-1144

Document #: 38-06045 Rev. *D
AC Test Loads and Waveforms
Note:
OUTPUT
11. Test Conditions: C = 10 pF.
OUTPUT
AC Test Loads (Applicable to -12 only)
C = 30 pF
(a) Normal Load (Load 1)
(a) Load 1 (-12 only)
Z
0
= 50Ω
C
5V
R = 50Ω
R1 = 893Ω
R2 = 347Ω
1 . 00
0. 1 0
0. 90
0. 80
0. 70
0. 60
0. 50
0. 40
0. 30
0. 20
0. 00
1 0
V
TH
= 1.4V
1 5
OUTPUT
(b) Thévenin Equivalent (Load 1)
C = 30 pF
(b) Load Derating Curve
[11]
20
Capacitance (pF)
R
TH
= 250Ω
25
GND
3.0V
V
≤
TH
3 ns
= 1.4V
10%
30
ALL INPUT PULSES
OUTPUT
CY7C006A/CY7C007A
CY7C016A/CY7C017A
90%
(c) Three-State Delay (Load 2)
C = 5 pF
(Used for t
including scope and jig)
35
LZ
, t
90%
HZ
10%
, t
5V
HZWE
≤
Page 7 of 20
3 ns
R1 = 893Ω
R2 = 347Ω
, & t
LZWE