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CY7C1327G-250AXC Datasheet(PDF) 9 Page - Cypress Semiconductor

Part # CY7C1327G-250AXC
Description  4-Mbit (256K x 18) Pipelined Sync SRAM
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Manufacturer  CYPRESS [Cypress Semiconductor]
Direct Link  http://www.cypress.com
Logo CYPRESS - Cypress Semiconductor

CY7C1327G-250AXC Datasheet(HTML) 9 Page - Cypress Semiconductor

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CY7C1327G
Document #: 38-05519 Rev. *F
Page 9 of 18
ISB3
Automatic CE
Power-down
Current—CMOS Inputs
VDD = Max, Device
Deselected, or VIN ≤ 0.3V
or VIN > VDDQ – 0.3V
f = fMAX = 1/tCYC
4-ns cycle, 250 MHz
105
mA
5-ns cycle 200 MHz
95
mA
6-ns cycle,166 MHz
85
mA
7.5-ns cycle, 133 MHz
75
mA
ISB4
Automatic CE
Power-down
Current—TTL Inputs
VDD = Max, Device
Deselected, VIN ≥ VIH or
VIN ≤ VIL, f = 0
All speeds
45
mA
Capacitance[9]
Parameter
Description
Test Conditions
100 TQFP
Max.
119 BGA
Max.
Unit
CIN
Input Capacitance
TA = 25°C, f = 1 MHz,
VDD = 3.3V.
VDDQ = 3.3V
55
pF
CCLK
Clock Input Capacitance
5
5
pF
CI/O
Input/Output Capacitance
5
7
pF
Thermal Resistance[9]
Parameter
Description
Test Conditions
100 TQFP
Package
119 BGA
Package
Unit
Θ
JA
Thermal Resistance
(Junction to Ambient)
Test conditions follow standard test
methods and procedures for measuring
thermal impedance, per EIA/JESD51.
30.32
34.1
°C/W
Θ
JC
Thermal Resistance
(Junction to Case)
6.85
14.0
°C/W
AC Test Loads and Waveforms
Note:
9. Tested initially and after any design or process change that may affect these parameters.
Electrical Characteristics Over the Operating Range[7, 8] (continued)
Parameter
Description
Test Conditions
Min.
Max.
Unit
OUTPUT
R = 317
R = 351
5pF
INCLUDING
JIG AND
SCOPE
(a)
(b)
OUTPUT
RL = 50Ω
Z0 = 50Ω
VT = 1.5V
3.3V
ALL INPUT PULSES
VDDQ
GND
90%
10%
90%
10%
≤ 1 ns
≤ 1 ns
(c)
OUTPUT
R = 1667
R = 1538
5pF
INCLUDING
JIG AND
SCOPE
(a)
(b)
OUTPUT
RL = 50Ω
Z0 = 50Ω
VT = 1.25V
2.5V
ALL INPUT PULSES
VDDQ
GND
90%
10%
90%
10%
≤ 1 ns
≤ 1 ns
(c)
3.3V I/O Test Load
2.5V I/O Test Load


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