CY7C1370KV33 Datasheet PDF - Cypress Semiconductor
Part Number | CY7C1370KV33 | |
Description | 18-Mbit (512K x 36/1M x 18) Pipelined SRAM | |
Manufacturers | Cypress Semiconductor | |
Logo | ||
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CY7C1372KV33/CY7C1372KVE33
18-Mbit (512K × 36/1M × 18) Pipelined SRAM
with NoBL™ Architecture (With ECC)
18-Mbit (512K × 36/1M × 18) Pipelined SRAM with NoBL™ Architecture (With ECC)
Features
■ Pin-compatible and functionally equivalent to ZBT™
■ Supports 250-MHz bus operations with zero wait states
❐ Available speed grades are 250, 200, and 167 MHz
■ Internally self-timed output buffer control to eliminate the need
to use asynchronous OE
■ Fully registered (inputs and outputs) for pipelined operation
■ Byte write capability
■ 3.3 V core power supply (VDD)
■ 3.3 V/2.5 V I/O power supply (VDDQ)
■ Fast clock-to-output times
❐ 2.5 ns (for 250 MHz device)
■ Clock enable (CEN) pin to suspend operation
■ Synchronous self-timed writes
■ Available in JEDEC-standard Pb-free 100-pin TQFP, Pb-free
165-ball FBGA package
■ IEEE 1149.1 JTAG-compatible boundary scan
■ Burst capability – linear or interleaved burst order
■ “ZZ” sleep mode option and stop clock option
■ On chip Error Correction Code (ECC) to reduce Soft Error Rate
(SER)
Functional Description
The CY7C1370KV33/CY7C1370KVE33/CY7C1372KV33/
CY7C1372KVE33 are 3.3 V, 512K × 36 and 1M × 18
synchronous pipelined burst SRAMs with No Bus Latency™
(NoBL logic, respectively. They are designed to support
unlimited true back-to-back read/write operations with no wait
states. The CY7C1370KV33/CY7C1370KVE33/
CY7C1372KV33/CY7C1372KVE33 are equipped with the
advanced (NoBL) logic required to enable consecutive
read/write operations with data being transferred on every clock
cycle. This feature dramatically improves the throughput of data
in systems that require frequent write/read transitions. The
CY7C1370KV33/CY7C1370KVE33/CY7C1372KV33/
CY7C1372KVE33 are pin compatible and functionally equivalent
to ZBT devices.
All synchronous inputs pass through input registers controlled by
the rising edge of the clock. All data outputs pass through output
registers controlled by the rising edge of the clock. The clock
input is qualified by the clock enable (CEN) signal, which when
deasserted suspends operation and extends the previous clock
cycle.
Write operations are controlled by the byte write selects
(BWa–BWd for CY7C1370KV33/CY7C1370KVE33 and
BWa–BWb for CY7C1372KV33/CY7C1372KVE33) and a write
enable (WE) input. All writes are conducted with on-chip
synchronous self-timed write circuitry.
Three synchronous chip enables (CE1, CE2, CE3) and an
asynchronous output enable (OE) provide for easy bank
selection and output tri-state control. In order to avoid bus
contention, the output drivers are synchronously tristated during
the data portion of a write sequence.
Selection Guide
Maximum access time
Maximum operating current
Description
250 MHz 200 MHz 167 MHz Unit
2.5 3.0 3.4 ns
× 18 180
× 36 200
158
178
143
163
mA
Cypress Semiconductor Corporation • 198 Champion Court
Document Number: 001-97836 Rev. *G
• San Jose, CA 95134-1709 • 408-943-2600
Revised August 9, 2016
|
|
CY7C1370KV33/CY7C1370KVE33
CY7C1372KV33/CY7C1372KVE33
Pin Configurations
Figure 1. 100-pin TQFP (14 × 20 × 1.4 mm) pinout
DQPc 1
DQc 2
DQc
VDDQ
3
4
VSS
DQc
5
6
DQc 7
DQc 8
DQc
VSS
VDDQ
9
10
11
DQc 12
DQc
13
NC
VDD
14 CY7C1370KV33/CY7C1370KVE33
15
NC 16
(512K × 36)
VSS 17
DQd 18
DQd
VDDQ
VSS
DQd
DQd
DQd
DQd
VSS
VDDQ
DQd
DQd
DQPd
19
20
21
22
23
24
25
26
27
28
29
30
80 DQPb NC 1
79 DQb
NC 2
78 DQb
NC 3
77 VDDQ VDDQ 4
76 VSS
VSS 5
75 DQb NC 6
74 DQb
NC 7
73 DQb DQb 8
72 DQb DQb 9
71
70
VSS
VDDQ
VSS
VDDQ
10
11
69 DQb DQb 12
68
67
DQb DQb
VSS NC
66 NC
65 VDD
64 ZZ
VDD
NC
VSS
13
14
15
16
17
63 DQa DQb 18
62
61
60
DQa
VDDQ
VSS
DQb
VDDQ
VSS
19
20
21
59 DQa DQb 22
58 DQa DQb 23
57 DQa DQPb 24
56 DQa NC 25
55
54
VSS
VDDQ
VVDSDSQ
26
27
53 DQa NC 28
52 DQa NC 29
51 DQPa NC 30
CY7C1372KV33/CY7C1372KVE33
(1M × 18)
80 A
79 NC
78 NC
77 VDDQ
76 VSS
75 NC
74 DQPa
73 DQa
72 DQa
71 VSS
70 VDDQ
69 DQa
68 DQa
67 VSS
66 NC
65 VDD
64 ZZ
63 DQa
62 DQa
61 VDDQ
60 VSS
59 DQa
58 DQa
57 NC
56 NC
55 VSS
54 VDDQ
53 NC
52 NC
51 NC
Document Number: 001-97836 Rev. *G
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Information | Total 30 Pages | |
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