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HM62256ASP-12 Datasheet Download - Hitachi Semiconductor

Номер произв HM62256ASP-12
Описание 32/768-word x 8-bit High Speed CMOS Static RAM
Производители Hitachi Semiconductor
логотип Hitachi Semiconductor логотип 

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HM62256ASP-12 Даташит, Описание, Даташиты
HM62256A Series
32,768-word × 8-bit High Speed CMOS Static RAM
Maintenance only
The Hitachi HM62256A is a CMOS static RAM
organized 32-kword × 8-bit. It realizes higher
performance and low power consumption by
employing 0.8 µm Hi-CMOS process technology.
The device, packaged in a 8 × 14 mm TSOP with
thickness of 1.2 mm, 450-mil SOP (foot print pitch
width), 600-mil plastic DIP, or 300-mil plastic DIP,
is available for high density mounting. TSOP
package is suitable for cards, and reverse type
TSOP is also provided. It offers low power
standby power dissipation; therefore, it is suitable
for battery back up system.
Features
• High speed: Fast Access time 85/100/120/150 ns
(max)
• Low Power
Standby: 5 µW (typ) (L/L-SL version)
Operation: 40 mW (typ) (f = 1 MHz)
• Single 5 V supply
• Completely static memory
No clock or timing strobe required
• Equal access and cycle times
• Common data input and output: Three state
output
• Directly TTL compatible: All inputs and outputs
• Capability of battery back up operation
Ordering Information
Type No.
Access time Package
——————————————————————–
HM62256AP-8
85 ns
600-mil
HM62256AP-10
100 ns
28-pin
HM62256AP-12
120 ns
plastic DIP
HM62256AP-15
150 ns
(DP-28)
————————————————–
HM62256ALP-8
85 ns
HM62256ALP-10
100 ns
HM62256ALP-12
120 ns
HM62256ALP-15
150 ns
————————————————–
HM62256ALP-8SL 85 ns
HM62256ALP-10SL 100 ns
HM62256ALP-12SL 120 ns
HM62256ALP-15SL 150 ns
——————————————————————–
HM62256ASP-8
85 ns
300-mil
HM62256ASP-10
100 ns
28-pin
HM62256ASP-12
120 ns
plastic DIP
HM62256ASP-15
150 ns
(DP-28NA)
————————————————–
HM62256ALSP-8
85 ns
HM62256ALSP-10 100 ns
HM62256ALSP-12 120 ns
HM62256ALSP-15 150 ns
————————————————–
HM62256ALSP-8SL 85 ns
HM62256ALSP-10SL 100 ns
HM62256ALSP-12SL 120 ns
HM62256ALSP-15SL 150 ns
——————————————————————–
HM62256AFP-8T
85 ns
450-mil
HM62256AFP-10T 100 ns
28-pin
HM62256AFP-12T 120 ns
plastic SOP
HM62256AFP-15T 150 ns
(FP-28DA)
————————————————–
HM62256ALFP-8T 85 ns
HM62256ALFP-10T 100 ns
HM62256ALFP-12T 120 ns
HM62256ALFP-15T 150 ns
————————————————–
HM62256ALFP-8SLT 85 ns
HM62256ALFP-10SLT 100 ns
HM62256ALFP-12SLT 120 ns
HM62256ALFP-15SLT 150 ns
——————————————————————–
Note: This device is not available for new application.
1







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HM62256ASP-12 Даташит, Описание, Даташиты
HM62256A Series
TSOP Series
Type No.
Access time Package
——————————————————————–
HM62256ALT-8
85 ns
8 mm × 14 mm
HM62256ALT-10 100 ns
32-pin TSOP
HM62256ALT-12 120 ns
(normal type)
HM62256ALT-15 150 ns
(TFP-32DA)
———————————————–
HM62256ALT-8SL 85 ns
HM62256ALT-10SL 100 ns
HM62256ALT-12SL 120 ns
HM62256ALT-15SL 150 ns
——————————————————————–
HM62256A Series
Type No.
Access time Package
——————————————————————–
HM62256ALR-8 85 ns
8 mm × 14 mm
HM62256ALR-10 100 ns
32-pin TSOP
HM62256ALR-12 120 ns
(reverse type)
HM62256ALR-15 150 ns
(TFP-32DAR)
———————————————–
HM62256ALR-8SL 85 ns
HM62256ALR-10SL 100 ns
HM62256ALR-12SL 120 ns
HM62256ALR-15SL 150 ns
——————————————————————–
Pin Arrangement
HM62256AP/AFP/ASP Series
A14 1
A12 2
A7 3
A6 4
A5 5
A4 6
A3 7
A2 8
A1 9
A0 10
I/O0 11
I/O1 12
I/O2 13
VSS 14
(Top view)
28 VCC
27 WE
26 A13
25 A8
24 A9
23 A11
22 OE
21 A10
20 CS
19 I/O7
18 I/O6
17 I/O5
16 I/O4
15 I/O3
HM62256AT Series
OE 1
A11 2
NC 3
A9 4
A8 5
A13 6
WE 7
VCC 8
A14 9
A12 10
A7 11
A6 12
A5 13
NC 14
A4 15
A3 16
(Top view)
2
32 A10
31 CS
30 NC
29 I/O7
28 I/O6
27 I/O5
26 I/O4
25 I/O3
24 VSS
23 I/O2
22 I/O1
21 I/O0
20 A0
19 NC
18 A1
17 A2
HM62256AR Series
A3 16
A4 15
NC 14
A5 13
A6 12
A7 11
A12 10
A14 9
VCC 8
WE 7
A13 6
A8 5
A9 4
NC 3
A11 2
OE 1
(Top view)
17 A2
18 A1
19 NC
20 A0
21 I/O0
22 I/O1
23 I/O2
24 VSS
25 I/O3
26 I/O4
27 I/O5
28 I/O6
29 I/O7
30 NC
31 CS
32 A10







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HM62256ASP-12 Даташит, Описание, Даташиты
HM62256A Series
Pin Description
Symbol
Function
——————————————————————–
A0 – A14
Address
——————————————————————–
I/O0 – I/O7
Input/output
——————————————————————–
CS Chip select
——————————————————————–
WE Write enable
——————————————————————–
Block Diagram
HM62256A Series
Symbol
Function
——————————————————————–
OE Output enable
——————————————————————–
NC No connection
——————————————————————–
VCC
Power supply
——————————————————————–
VSS Ground
——————————————————————–
A5
A4
A3
A11
A9
A8
A12
A7
A6
I/O0
I/O7
CS
WE
OE
• • Memory Matrix
Row
Decoder
512 × 512
V CC
V SS
Column I/O
Input
Data
Column Decoder
Control
A0 A1 A2 A10 A13 A14
••
Timing Pulse Generator
Read/Write Control
3










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