M27C256B-15C6 STMicroelectronics, M27C256B-15C6 Datasheet - Page 18

• Manufacturer Part Number: M27C256B-15C6
• Manufacturer: STMicroelectronics

Specifications of M27C256B-15C6

• Density: 256Kb
• Organization: 32Kx8
• Interface Type: Parallel
• Bus Type: Parallel
• In System Programmable: External
• Access Time (max): 150ns
• Package Type: PLCC
• Reprogramming Technique: OTP
• Operating Supply Voltage (typ): 5V
• Operating Supply Voltage (min): 4.5V
• Operating Supply Voltage (max): 5.5V
• Supply Current: 50mA
• Pin Count: 32
• Mounting: Surface Mount
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Lead Free Status / Rohs Status: Compliant

DC and AC parameters
18/24
Figure 8.
Table 11.
1. T
2. V
Symbol
t
t
t
t
t
t
t
t
VPHEL
VCHEL
t
t
EHQX
GHQZ
GHAX
QXGL
GLQV
QVEL
ELEH
AVEL
A
CC
V CC
= 25 °C; V
A0-A14
Q0-Q7
V PP
E
G
must be applied simultaneously with or before V
t
t
t
t
t
t
OES
t
Alt
t
t
VPS
VCS
DFP
t
PW
DS
DH
OE
AH
AS
Programming and Verify modes AC waveforms
Programming mode AC characteristics
CC
= 6.25V ± 0.25V; V
Address Valid to Chip Enable Low
Input Valid to Chip Enable Low
V
V
Chip Enable Program Pulse Width
Chip Enable High to Input Transition
Input Transition to Output Enable Low
Output Enable Low to Output Valid
Output Enable High to Output Hi-Z
Output Enable High to Address Transition
PP
CC
High to Chip Enable Low
High to Chip Enable Low
tVPHEL
tVCHEL
tAVEL
tQVEL
tELEH
DATA IN
Parameter
PP
PROGRAM
= 12.75V ± 0.25V.
VALID
PP
tEHQX
and removed simultaneously or after V
tQXGL
(1) (2)
VERIFY
tGLQV
Condition
DATA OUT
Test
Min
95
2
2
2
2
2
2
0
0
tGHQZ
tGHAX
PP
Max
105
100
130
M27C256B
AI00759
.
Unit
µs
µs
µs
µs
µs
µs
µs
ns
ns
ns