ETC CY7C1345A

345A
CY7C1345A/GVT71128E36
128K x 36 Synchronous Flow-Through Burst SRAM
Features
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eral circuitry and a 2-bit counter for internal burst operation. All
synchronous inputs are gated by registers controlled by a positive-edge-triggered Clock Input (CLK). The synchronous inputs include all addresses, all data inputs, address-pipelining
Chip Enable (CE), depth-expansion Chip Enables (CE2 and
CE2), Burst Control inputs (ADSC, ADSP, and ADV), Write
Enables (WEL, WEH, and BWE), and Global Write (GW).
Fast access times: 7.5 and 8 ns
Fast clock speed: 117 and 100 MHz
Provide high-performance 2-1-1-1 access rate
Fast OE access times: 4.0 ns
3.3V –5% and +10% power supply
2.5V or 3.3V I/O supply
5V tolerant inputs except I/Os
Clamp diodes to VSSQ at all inputs and outputs
Common data inputs and data outputs
Byte Write Enable and Global Write control
Three chip enables for depth expansion and address
pipeline
Address, data, and control registers
Internally self-timed Write Cycle
Burst control pins (interleaved or linear burst sequence)
Automatic power-down for portable applications
Low profile 119-lead, 14-mm x 22-mm BGA (Ball Grid
Array) and 100-pin TQFP packages
Asynchronous inputs include the Output Enable (OE) and
Burst Mode Control (MODE), and Sleep Mode Control (ZZ).
The data outputs (DQ), enabled by OE, are also asynchronous.
Addresses and chip enables are registered with either Address Status Processor (ADSP) or Address Status Controller
(ADSC) input pins. Subsequent burst addresses can be internally generated as controlled by the Burst Advance pin (ADV).
Address, data inputs, and write controls are registered on-chip
to initiate a self-timed Write cycle. Write cycles can be one to
four bytes wide as controlled by the write control inputs. Individual byte write allows individual byte to be written. BW1 controls DQ1–DQ8 and DQP1. BW2 controls DQ9–DQ16 and
DQP2. BW3 controls DQ17–DQ24 and DQP3. BW4 controls
DQ25–DQ32 and DQP4. BW1, BW2, BW3, and BW4 can be
active only with BWE being LOW. GW being LOW causes all
bytes to be written.
Functional Description
The Cypress Synchronous Burst SRAM family employs highspeed, low-power CMOS designs using advanced triple-layer
polysilicon, double-layer metal technology. Each memory cell
consists of four transistors and two high-valued resistors.
The
CY7C1345A/GVT71128E36
SRAM
integrates
131,072x36 SRAM cells with advanced synchronous periph-
The CY7C1345A/GVT71128E36 operates from a +3.3V power supply and all outputs operate on a +2.5V supply. All inputs
and outputs are JEDEC standard JESD8-5 compatible. The
device is ideally suited for 486, Pentium®, 680x0, and PowerPC™ systems and for systems that benefit from a wide synchronous data bus.
Selection Guide
7C1345A-117
71128E36-7
7C1345A-100
71128E36-8
7C1345A-100
71128E36-9
7C1345A-100
71128E36-10
Maximum Access Time (ns)
7.5
8
8
8
Maximum Operating Current (mA)
370
320
320
320
Maximum CMOS Standby Current (mA)
10
10
10
10
Cypress Semiconductor Corporation
Document #: 38-05123 Rev. *A
•
3901 North First Street
•
San Jose, CA 95134
•
408-943-2600
Revised November 13, 2002
CY7C1345A/GVT71128E36
128K x 36 (CY7C1345A/GVT71128E36) Functional Block Diagram[1]
BYTE 1 WRITE
BW1#
BWE#
D
Q
CLK
BYTE 2 WRITE
BW2#
D
Q
GW#
BYTE 3 WRITE
BW3#
D
Q
BYTE 4 WRITE
ENABLE
D
CE2
Q
byte 2 write
byte 1 write
CE#
Q
byte 3 write
D
byte 4 write
BW4#
CE2#
ZZ
Power Down Logic
OE#
ADSP#
ADSC#
CLR
ADV#
A1-A0
Binary
Counter
& Logic
Output Buffers
Address
Register
128K x 9 x 4
SRAM Array
A16-A2
Input
Register
DQ1-DQ32,
DQP1, DQP2
DQP3, DQP4
MODE
Note:
1. The Functional Block Diagram illustrates simplified device operation. See Truth Table, pin descriptions, and timing diagrams for detailed information.
Document #: 38-05123 Rev. *A
Page 2 of 16
CY7C1345A/GVT71128E36
Pin Configurations
100
99
98
97
96
95
94
93
92
91
90
89
88
87
86
85
84
83
82
81
A6
A7
CE
CE2
bW4
BW3
BW2
BW1
CE2
VCC
VSS
CLK
GW
BWE
OE
ADSC
ADSP
ADV
A8
A9
100-Pin TQFP
Top View
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
CY7C1345A/GVT71128E36
(128K X 36)
80
79
78
77
76
75
74
73
72
71
70
69
68
67
66
65
64
63
62
61
60
59
58
57
56
55
54
53
52
51
DQP2
DQ16
DQ15
VCCQ
VSSQ
DQ14
DQ13
DQ12
DQ11
VSSQ
VCCQ
DQ10
DQ9
VSS
NC
VCC
ZZ
DQ8
DQ7
VCCQ
VSSQ
DQ6
DQ5
DQ4
DQ3
VSSQ
VCCQ
DQ2
DQ1
DQP1
MODE
A5
A4
A3
A2
A1
A0
NC
NC
VSS
VCC
NC
NC
A10
A11
A12
A13
A14
A15
A16
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
DQP3
DQ17
DQ18
VCCQ
VSSQ
DQ19
DQ20
DQ21
DQ22
VSSQ
VCCQ
DQ23
DQ24
NC
VCC
NC
VSS
DQ25
DQ26
VCCQ
VSSQ
DQ27
DQ28
DQ29
DQ30
VSSQ
VCCQ
DQ31
DQ32
DQP4
Document #: 38-05123 Rev. *A
Page 3 of 16
CY7C1345A/GVT71128E36
Pin Configurations (continued)
119-Ball Bump BGA
128Kx36—CY7C1345A/GVT71128E36
Top View
1
2
3
4
5
6
7
A
VCCQ
A6
A4
ADSP
A8
A16
VCCQ
B
NC
CE2
A3
ADSC
A9
CE2
NC
C
NC
A7
A2
VCC
A12
A15
NC
D
DQ17
DQP3
VSS
NC
VSS
DQP2
DQ16
E
DQ18
DQ19
VSS
CE
VSS
DQ14
DQ15
F
VCCQ
DQ20
VSS
OE
VSS
DQ13
VCCQ
G
DQ21
DQ22
BW3
ADV
BW2
DQ12
DQ11
H
DQ23
DQ24
VSS
GW
VSS
DQ10
DQ9
J
VCCQ
VCC
NC
VCC
NC
VCC
VCCQ
K
DQ25
DQ27
VSS
CLK
VSS
DQ7
DQ8
L
DQ26
DQ28
BW4
NC
BW1
DQ5
DQ6
M
VCCQ
DQ29
VSS
BWE
VSS
DQ4
VCCQ
N
DQ30
DQ31
VSS
A1
VSS
DQ3
DQ2
P
DQ32
DQP4
VSS
A0
VSS
DQP1
DQ1
R
NC
A5
MODE
VCC
NC
A13
NC
T
NC
NC
A10
A11
A14
NC
ZZ
U
VCCQ
NC
NC
NC
NC
NC
VCCQ
Pin Descriptions
BGA Pins
QFP Pins
Pin
Name
Type
Description
4P, 4N, 2A, 3A, 37, 36, 35, 34, A0–A16
InputAddresses: These inputs are registered and must meet the set-up
5A, 6A, 3B, 5B, 33, 32, 100, 99,
Synchronous and hold times around the rising edge of CLK. The burst counter
2C, 3C, 5C, 6C, 82, 81, 44, 45,
generates internal addresses associated with A0 and A1, during
2R, 6R, 3T, 4T,
46, 47, 48,
burst cycle and wait cycle.
5T
49,50
5L, 5G, 3G, 3L
93,94,95,96
BW1,
BW2,
BW3,
BW4
InputByte Write: A byte write is LOW for a Write cycle and HIGH for a
Synchronous Read cycle. BW1 controls DQ1–DQ8 and DQP1. BW2 controls
DQ9–DQ16 and DQP2. BW3 controls DQ17–DQ24 and DQP3.
BW4 controls DQ25–DQ32 and DQP4. Data I/O are high impedance if either of these inputs are LOW, conditioned by BWE being
LOW.
4M
87
BWE
InputWrite Enable: This active LOW input gates byte write operations
Synchronous and must meet the set-up and hold times around the rising edge of
CLK.
4H
88
GW
InputGlobal Write: This active LOW input allows a full 36-bit Write to
Synchronous occur independent of the BWE and BWn lines and must meet the
set-up and hold times around the rising edge of CLK.
4K
89
CLK
InputClock: This signal registers the addresses, data, chip enables, write
Synchronous control and burst control inputs on its rising edge. All synchronous
inputs must meet set-up and hold times around the clock’s rising
edge.
Document #: 38-05123 Rev. *A
Page 4 of 16
CY7C1345A/GVT71128E36
Pin Descriptions (continued)
BGA Pins
QFP Pins
Pin
Name
4E
98
CE
InputChip Enable: This active LOW input is used to enable the device
Synchronous and to gate ADSP.
6B
92
CE2
InputChip Enable: This active LOW input is used to enable the device.
Synchronous
2B
97
CE2
InputChip Enable: This active HIGH input is used to enable the device.
Synchronous
4F
86
OE
4G
83
ADV
InputAddress Advance: This active LOW input is used to control the
Synchronous internal burst counter. A HIGH on this pin generates wait cycle (no
address advance).
4A
84
ADSP
InputAddress Status Processor: This active LOW input, along with CE
Synchronous being LOW, causes a new external address to be registered and a
Read cycle is initiated using the new address.
4B
85
ADSC
InputAddress Status Controller: This active LOW input causes device to
Synchronous be deselected or selected along with new external address to be
registered. A Read or Write cycle is initiated depending upon write
control inputs.
3R
31
MODE
InputStatic
Mode: This input selects the burst sequence. A LOW on this pin
selects Linear Burst. A NC or HIGH on this pin selects Interleaved
Burst.
7T
64
ZZ
Input-Asynchronous
Snooze: This active HIGH input puts the device in low power consumption standby mode. For normal operation, this input has to be
either LOW or NC (No Connect).
DQ1–
DQ32
Input/
Output
Data Inputs/Outputs: First Byte is DQ1–DQ8. Second Byte is
DQ9–DQ16. Third Byte is DQ17–DQ24. Fourth Byte is
DQ25–DQ32. Input data must meet set-up and hold times around
the rising edge of CLK.
7P, 7N, 6N, 6M, 52, 53, 56, 57,
6L, 7L, 6K, 7K, 58, 59, 62, 63,
7H, 6H, 7G, 6G, 68, 69, 72-75,
6F, 6E, 7E, 7D, 78, 79, 2, 3, 6-9,
1D, 1E, 2E, 2F, 12, 13, 18, 19,
1G, 2G, 1H, 2H,
22-25, 28, 29
1K, 1L, 2K, 2L,
2M, 1N, 2N, 1P
Type
Input
Description
Output Enable: This active LOW asynchronous input enables the
data output drivers.
6P, 6D, 2D, 2P
51, 80, 1, 30
DQP1–
DQP4
Input/
Output
Parity Inputs/Outputs: DQP1 is parity bit for DQ1–DQ8 and DQP2
is parity bit for DQ9–DQ16. DQP3 is parity bit for DQ17–DQ24 and
DQP4 is parity bit for DQ25–DQ32.
4C, 2J, 4J, 6J,
4R
15, 41,65, 91
VCC
Supply
Core power Supply: +3.3V –5% and +10%
3D, 5D, 3E, 5E,
3F, 5F, 5G, 3H,
5H, 3K, 5K, 3L,
3M, 5M, 3N, 5N,
3P, 5P
17, 40, 67, 90
VSS
Ground
Ground: GND
1A, 7A, 1F, 7F, 4, 11, 20, 27, 54,
1J, 7J, 1M, 7M,
61, 70, 77
1U, 7U
VCCQ
I/O Supply
Output Buffer Supply: +2.5V (from 2.375V to VCC)
5, 10, 21, 26, 55,
60, 71, 76
VSSQ
I/O Ground
Output Buffer Ground: GND
14, 16, 38, 39,
42, 43, 66
NC
-
1B, 7B, 1C, 7C,
4D, 3J, 5J, 4L,
1R, 5R, 7R, 1T,
2T, 6T, 2U, 3U,
4U, 5U, 6U
Document #: 38-05123 Rev. *A
No Connect: These signals are not internally connected.
Page 5 of 16
CY7C1345A/GVT71128E36
Burst Address Table (MODE = NC/VCC)
Burst Address Table (MODE = GND)
First
Address
(external)
Second
Address
(internal)
Third
Address
(internal)
Fourth
Address
(internal)
First
Address
(external)
Second
Address
(internal)
Third
Address
(internal)
Fourth
Address
(internal)
A...A00
A...A01
A...A10
A...A11
A...A00
A...A01
A...A10
A...A11
A...A01
A...A00
A...A11
A...A10
A...A01
A...A10
A...A11
A...A00
A...A10
A...A11
A...A00
A...A01
A...A10
A...A11
A...A00
A...A01
A...A11
A...A10
A...A01
A...A00
A...A11
A...A00
A...A01
A...A10
Truth Table[2, 3, 4, 5, 6, 7, 8]
Operation
Address
Used
CE
CE2
CE2
ADSP
ADSC
ADV
WRITE
OE
CLK
DQ
Deselected Cycle, Power Down
None
H
X
X
X
L
X
X
X
L-H
High-Z
Deselected Cycle, Power Down
None
L
X
L
L
X
X
X
X
L-H
High-Z
Deselected Cycle, Power Down
None
L
H
X
L
X
X
X
X
L-H
High-Z
Deselected Cycle, Power Down
None
L
X
L
H
L
X
X
X
L-H
High-Z
Deselected Cycle, Power Down
None
L
H
X
H
L
X
X
X
L-H
High-Z
READ Cycle, Begin Burst
External
L
L
H
L
X
X
X
L
L-H
Q
READ Cycle, Begin Burst
External
L
L
H
L
X
X
X
H
L-H
High-Z
WRITE Cycle, Begin Burst
External
L
L
H
H
L
X
L
X
L-H
D
READ Cycle, Begin Burst
External
L
L
H
H
L
X
H
L
L-H
Q
READ Cycle, Begin Burst
External
L
L
H
H
L
X
H
H
L-H
High-Z
Next
X
X
X
H
H
L
H
L
L-H
Q
READ Cycle, Continue Burst
READ Cycle, Continue Burst
Next
X
X
X
H
H
L
H
H
L-H
High-Z
READ Cycle, Continue Burst
Next
H
X
X
X
H
L
H
L
L-H
Q
READ Cycle, Continue Burst
Next
H
X
X
X
H
L
H
H
L-H
High-Z
WRITE Cycle, Continue Burst
Next
X
X
X
H
H
L
L
X
L-H
D
WRITE Cycle, Continue Burst
Next
H
X
X
X
H
L
L
X
L-H
D
READ Cycle, Suspend Burst
Current
X
X
X
H
H
H
H
L
L-H
Q
READ Cycle, Suspend Burst
Current
X
X
X
H
H
H
H
H
L-H
High-Z
READ Cycle, Suspend Burst
Current
H
X
X
X
H
H
H
L
L-H
Q
READ Cycle, Suspend Burst
Current
H
X
X
X
H
H
H
H
L-H
High-Z
WRITE Cycle, Suspend Burst
Current
X
X
X
H
H
H
L
X
L-H
D
WRITE Cycle, Suspend Burst
Current
H
X
X
X
H
H
L
X
L-H
D
Notes:
2. X means “Don’t Care.” H means logic HIGH. L means logic LOW. WRITE = L means [BWE + BW1*BW2*BW3*BW3]*GW equals LOW. WRITE = H means
[BWE + BW1*BW2*BW3*BW3]*GW equals HIGH.
3. BW1 enables write to DQ1–DQ8 and DQP1. BW2 enables write to DQ9–DQ16 and DQP2. BW3 enables write to DQ17–DQ24 and DQP3. BW4 enables write
to DQ25–DQ32 and DQP4.
4. All inputs except OE must meet set-up and hold times around the rising edge (LOW to HIGH) of CLK.
5. Suspending burst generates wait cycle.
6. For a write operation following a read operation, OE must be HIGH before the input data required set-up time plus High-Z time for OE and staying HIGH
throughout the input data hold time.
7. This device contains circuitry that will ensure the outputs will be in High-Z during power-up.
8. ADSP LOW along with chip being selected always initiates a Read cycle at the L-H edge of CLK. A Write cycle can be performed by setting WRITE LOW for
the CLK L-H edge of the subsequent wait cycle. Refer to Write timing diagram for clarification.
Document #: 38-05123 Rev. *A
Page 6 of 16
CY7C1345A/GVT71128E36
Partial Truth Table for Read/Write
FUNCTION
GW
BWE
BW1
BW2
BW3
BW4
READ
H
H
X
X
X
X
READ
H
L
H
H
H
H
WRITE one byte
H
L
L
H
H
H
WRITE all bytes
H
L
L
L
L
L
WRITE all bytes
L
X
X
X
X
X
Maximum Ratings
Power Dissipation.......................................................... 1.6W
Short Circuit Output Current ....................................... 20 mA
(Above which the useful life may be impaired. For user guidelines only, not tested.)
.
Operating Range
Voltage on VCC Supply Relative to VSS ......... –0.5V to +4.6V
Range
VIN ..........................................................–0.5V to +VCC+0.5V
Ambient Temperature
VCC[9,10]
0°C to +70°C
3.3V –5%/+10%
Com’l
Storage Temperature (plastic)..................... –55°C to +125°C
Junction Temperature ............................................... +125°C
Electrical Characteristics Over the Operating Range[11]
Parameter
VIHD
Description
Input High (Logic 1)
Test Conditions
Voltage[12, 13]
VIH
VIl
All other
Current[14]
Input Leakage
ILO
Output Leakage Current
Voltage[12, 15]
VOH
Output High
VOL
Output Low Voltage[12, 15]
VCC
Supply
Voltage[12]
VCCQ
I/O Supply Voltage
Max.
Unit
1.7
VCC+0.3
V
1.7
4.6
V
–0.3
0.7
V
0V < VIN < VCC
–2
2
µA
Output(s) disabled, 0V < VOUT < VCC
–2
2
µA
IOH = –2.0 mA
1.7
Input Low (Logic 0) Voltage[12, 13]
ILI
Parameter
Data Inputs (DQxx)
Min.
V
IOL = 2.0 mA
0.7
V
3.135
3.6
V
2.375
VCC
V
-7
-8
Typ. 117 MHz 100 MHz
-9
90 MHz
-10
50 MHz
Unit
320
290
200
mA
10
10
10
10
mA
10
20
20
20
20
mA
40
80
70
60
40
mA
Description
Conditions
ICC
Power Supply
Current:
Operating[16, 17, 18]
Device selected;
all inputs < VILor > VIH;
cycle time > tKC Min.; VCC = Max.;
outputs open
150
370
ISB2
CMOS
Standby[17, 18]
Device deselected; VCC = Max.;
all inputs < VSS + 0.2 or
> VCC – 0.2;
all inputs static; CLK frequency = 0
5
ISB3
TTL Standby[17, 18]
Device deselected; all inputs < VIL
or > VIH; all inputs static;
VCC = Max.; CLK frequency = 0
ISB4
Clock
Running[17, 18]
Device deselected;
all inputs < VIL or > VIH; VCC = Max.;
CLK cycle time > tKC Min.
Notes:
9. Please refer to waveform (c)
10. Power Supply ramp-up should be monotonic.
11. Values in table are associated with the operating frequencies listed.
12. All voltages referenced to VSS (GND).
13. Overshoot: VIH < +6.0V for t < tKC /2.
Undershoot: VIL < –2.0V for t < tKC /2.
14. MODE pin has an internal pull-up and ZZ pin has an internal pull-down. These two pins exhibit an input leakage current of ±30 µA.
15. AC I/O curves are available upon request.
16. ICC is given with no output current. ICC increases with greater output loading and faster cycle times.
17. “Device Deselected” means the device is in Power-Down mode as defined in the truth table. “Device Selected” means the device is active.
18. Typical values are measured at 3.3V, 25°C and 20-ns cycle time.
Document #: 38-05123 Rev. *A
Page 7 of 16
CY7C1345A/GVT71128E36
Thermal Consideration
Parameter
Description
ΘJA
Thermal Resistance - Junction to Ambient
ΘJC
Thermal Resistance - Junction to Case
Conditions
TQFP Typ.
Unit
Still air, soldered on 4.25 x 1.125
inch 4-layer PCB
25
°C/W
9
°C/W
Capacitance
Parameter
Description
CI
Input Capacitance
Test Conditions
[19]
[19]
CO
Input/Output Capacitance (DQ)
Typ.
Max.
Unit
4
5
pF
7
8
pF
TA = 25°C, f = 1 MHz,
VCC= 3.3V
Typical Output Buffer Characteristics
Output High Voltage
Pull-up Current
Output Low Voltage
Pull-down Current
VOH (V)
IOH (mA) Min.
IOH (mA) Max.
VOL (V)
IOL (mA) Min.
IΟL (mA) Max.
–0.5
–38
–105
–0.5
0
0
0
–38
–105
0
0
0
0.8
–38
–105
0.4
10
20
1.25
–26
–83
0.8
20
40
1.5
–20
–70
1.25
31
63
2.3
0
–30
1.6
40
80
2.7
0
–10
2.8
40
80
2.9
0
0
3.2
40
80
3.4
0
0
3.4
40
80
AC Test Loads and Waveforms
tP U
ALL INPUT PULSES
2.5V
Z0 = 50Ω
RL = 50Ω
Vt = 1.25V
(a)
10%
90%
0V
Rise Time:
1.8 V/ns
90%
10%
= 200us
V c c ty p
V c c m in
F o r p ro p e r R E S E T
b rin g V c c d o w n t o 0 V
Fall Time:
1.8 V/ns
(b)
(c)
Note:
19. This parameter is sampled.
20. Overshoot: VIH(AC) <VDD + 1.5V for t <tTCYC/2; undershoot: VIL(AC) < 0.5V for t <tTCYC/2; power-up: VIH < 2.6V and VDD <2.4V and VDDQ < 1.4V for t<200
ms.
Document #: 38-05123 Rev. *A
Page 8 of 16
CY7C1345A/GVT71128E36
Switching Characteristics Over the Operating Range[21]
-7
117 MHz
Parameter
Description
Min.
Max.
-8
100 MHz
Min.
Max.
-9
90 MHz
Min.
Max.
-10
50 MHz
Min.
Max.
Unit
Clock
tKC
Clock Cycle Time
8.5
10
11
20
ns
tKH
Clock HIGH Time
3
4
4.5
4.5
ns
tKL
Clock LOW Time
3
4
4.5
4.5
ns
Output Times
tKQ
Clock to Output Valid
tKQX
Clock to Output Invalid
7.5
8
8.5
10
ns
2
2
2
2
ns
tKQLZ
Clock to Output in
Low-Z[19, 22, 23]
0
0
0
0
ns
tKQHZ
Clock to Output in High-Z[19, 22, 23]
2
tOEQ
Valid[24]
tOELZ
tOEHZ
OE to Output
OE to Output in
2
4.0
Low-Z[19, 22, 23]
OE to Output in High-Z
3.5
0
[19, 22, 23]
3.5
2
4.0
0
3.5
3.5
2
4.0
0
3.5
3.5
ns
4.0
ns
0
3.5
ns
3.5
ns
Set-Up Times
tS
Address, Controls and Data In[25]
1.5
2.0
2.0
2.0
ns
Address, Controls and Data In[25]
0.5
0.5
0.5
0.5
ns
Hold Times
tH
Notes:
21. Test conditions as specified with the output loading as shown in AC Test Loads unless otherwise noted. Values in table are associated with the operating
frequencies listed.
22. Measured at ±200 mV from steady state.
23. At any given temperature and voltage condition, tKQHZ is less than tKQLZ and tOEHZ is less than tOELZ.
24. OE is a “Don’t Care” when a byte write enable is sampled LOW.
25. This is a synchronous device. All synchronous inputs must meet specified set-up and hold time, except for “Don’t Care” as defined in the truth table.
Document #: 38-05123 Rev. *A
Page 9 of 16
CY7C1345A/GVT71128E36
Timing Diagrams
Read Timing[26]
KC
t
KL
CLK
t
t
S
KH
ADSP#
t
H
ADSC#
t
S
A1
ADDRESS
t
BW1#, BW2#,
BW3#, BW4#,
BWE#, GW#
A2
H
CE#
(See Note)
t
S
ADV#
t
H
OE#
tKQ
t
KQLZ
DQ
t
t
OEQ
KQ
t
OELZ
Q(A1)
Q(A2)
Q(A2+1)
SINGLE READ
Q(A2+2)
Q(A2+3)
Q(A2)
Q(A2+1)
Q(A2+2)
BURST READ
Note:
26. CE active in this timing diagram means that all Chip Enables CE, CE2, and CE2 are active.
Document #: 38-05123 Rev. *A
Page 10 of 16
CY7C1345A/GVT71128E36
Timing Diagrams (continued)
Write Timing[26]
CLK
tS
ADSP#
tH
ADSC#
tS
A1
ADDRESS
A2
A3
tH
BW1#, BW2#,
BW3#, BW4#,
BWE#
GW#
CE#
(See Note)
tS
ADV#
tH
OE#
tOEHZ
tKQX
DQ
Q
D(A1)
SINGLE WRITE
Document #: 38-05123 Rev. *A
D(A2)
D(A2+2)
D(A2+2)
D(A2+2)
BURST WRITE
D(A2+3)
D(A3)
D(A3+1)
D(A3+2)
BURST WRITE
Page 11 of 16
CY7C1345A/GVT71128E36
Timing Diagrams (continued)
Read/Write Timing[26]
CLK
tS
ADSP#
tH
ADSC#
tS
ADDRESS
A1
A2
A3
A4
A5
tH
BW1#, BW2#,
BW3#, BW4#,
BWE#, GW#
CE#
(See Note)
ADV#
OE#
DQ
Q(A1)
Q(A2)
Single Reads
Document #: 38-05123 Rev. *A
D(A3)
Single Write
Q(A4)
Q(A4+1)
Q(A4+2)
Burst Read
Q(A4+3)
D(A5)
D(A5+1)
Burst Write
Page 12 of 16
CY7C1345A/GVT71128E36
Ordering Information
Speed
(MHz)
117
Ordering Code
CY7C1345A-117AC
Package
Name
A101
Package Type
Operating
Range
100-Lead Thin Quad Flat Pack
Commercial
GVT71128E36T-7
CY7C1345A-117BGC
BG119
119-Lead FBGA (14 x 22 x 2.4 mm)
GVT71128E36B-7
100
CY7C1345A-100AC
A101
100-Lead Thin Quad Flat Pack
Commercial
GVT71128E36T-8
CY7C1345A-100BGC
BG119
119-Lead FBGA (14 x 22 x 2.4 mm)
GVT71128E36B-8
100
CY7C1345A-100AC
A101
100-Lead Thin Quad Flat Pack
Commercial
GVT71128E36T-9
CY7C1345A-100BGC
BG119
119-Lead FBGA (14 x 22 x 2.4 mm)
GVT71128E36B-9
100
CY7C1345A-100AC
A101
100-Lead Thin Quad Flat Pack
Commercial
GVT71128E36T-10
CY7C1345A-100BGC
BG119
119-Lead FBGA (14 x 22 x 2.4 mm)
GVT71128E36B-10
Document #: 38-05123 Rev. *A
Page 13 of 16
CY7C1345A/GVT71128E36
Package Diagrams
100-Pin Thin Plastic Quad Flatpack (14 x 20 x 1.4 mm) A101
51-85050-A
Document #: 38-05123 Rev. *A
Page 14 of 16
© Cypress Semiconductor Corporation, 2002. The information contained herein is subject to change without notice. Cypress Semiconductor Corporation assumes no responsibility for the use
of any circuitry other than circuitry embodied in a Cypress Semiconductor product. Nor does it convey or imply any license under patent or other rights. Cypress Semiconductor does not authorize
its products for use as critical components in life-support systems where a malfunction or failure may reasonably be expected to result in significant injury to the user. The inclusion of Cypress
Semiconductor products in life-support systems application implies that the manufacturer assumes all risk of such use and in doing so indemnifies Cypress Semiconductor against all charges.
CY7C1345A/GVT71128E36
Package Diagrams (continued)
119-Lead PBGA (14 x 22 x 2.4 mm) BG119
51-85115-*B
Pentium is a registered trademark of Intel Corporation. PowerPC is a trademark of IBM Corporation. All product and company
names mentioned in this document may be the trademarks of their respective holders.
Document #: 38-05123 Rev. *A
Page 15 of 16
CY7C1345A/GVT71128E36
Document History Page
Document Title: CY7C1345A/GVT71128E36 128K x 36 Synchronous Flow-Through Burst SRAM
Document Number: 38-05123
REV.
ECN NO.
Issue
Date
Orig. of
Change
Description of Change
**
108314
09/25/01
BRI
New Cypress spec—converted from Galvantech format
*A
121069
11/13 /02
DSG
Updated package drawing 51-85115 (BG119) to rev. *B
*B
123136
01/19/03
RBI
Added power up requirements to operating conditions information.
Document #: 38-05123 Rev. *A
Page 16 of 16